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Who are you? | I am Clara an AI Java chatbot created to help you learn Java. Ask me anything Java related and I'll do my best to answer it. |
What is Java? | Java is a programming language and a platform. Java is a high level, robust, object-oriented and secure programming language.
Java was developed by Sun Microsystems (which is now the subsidiary of Oracle) in the year 1995. James Gosling is known as the father of Java. Before Java, its name was Oak. Since Oak was alrea... |
Can you provide an example of Java Hello World program? | Let's have a quick look at Java programming example. A detailed description of Hello Java example is available in next page.
Simple.java:
class Simple{
public static void main(String args[]){
System.out.println("Hello Java");
}
}
|
Could you provide examples of applications or platforms that leverage Java for their development? | According to Sun, 3 billion devices run Java. There are many devices where Java is currently used. Some of them are as follows:
- Desktop Applications such as acrobat reader, media player, antivirus, etc.
- Web Applications such as irctc.co.in, javatpoint.com, etc.
- Enterprise Applications such as banking applications... |
What are the Types of Java Applications? | There are mainly 4 types of applications that can be created using Java programming:
1) Standalone Application
Standalone applications are also known as desktop applications or window-based applications. These are traditional software that we need to install on every machine.
Examples of standalone applications are... |
What are the Java Platforms / Editions ? | There are 4 platforms or editions of Java:
1) Java SE (Java Standard Edition)
It is a Java programming platform. It includes Java programming APIs such as java.lang, java.io, java.net, java.util, java.sql, java.math etc. It includes core topics like OOPs, String, Regex, Exception, Inner classes, Multithreading, I/O... |
Can you elaborate the History of Java ? | The history of Java is very interesting. Java was originally designed for interactive television, but it was too advanced technology for the digital cable television industry at the time. The history of Java starts with the Green Team. Java team members (also known as Green Team), initiated this project to develop a la... |
Why Java was named as "Oak"? | 5) Why Oak? Oak is a symbol of strength and chosen as a national tree of many countries like the U.S.A., France, Germany, Romania, etc.
6) In 1995, Oak was renamed as "Java" because it was already a trademark by Oak Technologies.
|
Why Java Programming named "Java"? | 7) Why had they chose the name Java for Java language? The team gathered to choose a new name. The suggested words were "dynamic", "revolutionary", "Silk", "jolt", "DNA", etc. They wanted something that reflected the essence of the technology: revolutionary, dynamic, lively, cool, unique, and easy to spell, and fun to ... |
Can you outline the evolution of Java versions from its initial release to the current stable release? | Many java versions have been released till now. The current stable release of Java is Java SE 10.
1) JDK Alpha and Beta (1995)
2) JDK 1.0 (23rd Jan 1996)
3) JDK 1.1 (19th Feb 1997)
4) J2SE 1.2 (8th Dec 1998)
5) J2SE 1.3 (8th May 2000)
6) J2SE 1.4 (6th Feb 2002)
7) J2SE 5.0 (30th Sep 2004)
8) Java SE 6 (11th Dec 2006)
... |
What are the Features of Java? | The primary objective of Java programming language creation was to make it portable, simple and secure programming language. Apart from this, there are also some excellent features which play an important role in the popularity of this language. The features of Java are also known as Java buzzwords.
A list of the most... |
Is Java easy to learn? | Java is very easy to learn, and its syntax is simple, clean and easy to understand. According to Sun Microsystem, Java language is a simple programming language because:
-Java syntax is based on C++ (so easier for programmers to learn it after C++).
-Java has removed many complicated and rarely-used features, for e... |
Is Java Object-oriented? | Java is an object-oriented programming language. Everything in Java is an object. Object-oriented means we organize our software as a combination of different types of objects that incorporate both data and behavior.
Object-oriented programming (OOPs) is a methodology that simplifies software development and maintenan... |
Is Java Platform Independent? | Java is platform independent because it is different from other languages like C, C++, etc. which are compiled into platform specific machines while Java is a write once, run anywhere language. A platform is the hardware or software environment in which a program runs.
There are two types of platforms software-based... |
Is Java Secured? | Java is best known for its security. With Java, we can develop virus-free systems. Java is secured because:
-No explicit pointer
-Java Programs run inside a virtual machine sandbox
-Classloader: Classloader in Java is a part of the Java Runtime Environment (JRE) which is used to load Java classes into the Java Vir... |
Is Java Robust? | The English mining of Robust is strong. Java is robust because:
-It uses strong memory management.
-There is a lack of pointers that avoids security problems.
-Java provides automatic garbage collection which runs on the Java Virtual Machine to get rid of objects which are not being used by a Java application anym... |
Is Java Architecture-neutral? | Java is architecture neutral because there are no implementation dependent features, for example, the size of primitive types is fixed.
In C programming, int data type occupies 2 bytes of memory for 32-bit architecture and 4 bytes of memory for 64-bit architecture. However, it occupies 4 bytes of memory for both 32 ... |
Is Java Portable? | Java is portable because it facilitates you to carry the Java bytecode to any platform. It doesn't require any implementation. |
What is the level of performance of Java? | Java is faster than other traditional interpreted programming languages because Java bytecode is "close" to native code. It is still a little bit slower than a compiled language (e.g., C++). Java is an interpreted language that is why it is slower than compiled languages, e.g., C, C++, etc. |
Is Java Distributed? | Java is distributed because it facilitates users to create distributed applications in Java. RMI and EJB are used for creating distributed applications. This feature of Java makes us able to access files by calling the methods from any machine on the internet. |
Is Java Multi-threaded? | A thread is like a separate program, executing concurrently. We can write Java programs that deal with many tasks at once by defining multiple threads. The main advantage of multi-threading is that it doesn't occupy memory for each thread. It shares a common memory area. Threads are important for multi-media, Web appli... |
Is Java Dynamic? | Java is a dynamic language. It supports the dynamic loading of classes. It means classes are loaded on demand. It also supports functions from its native languages, i.e., C and C++.
Java supports dynamic compilation and automatic memory management (garbage collection).
|
Can you compare C++ to Java? | There are many differences and similarities between the C++ programming language and Java. A list of top differences between C++ and Java are given below:
Platform-independent: C++ is platform-dependent while Java is platform-independent.
Mainly used for: C++ is mainly used for system programming while Java is ma... |
Can you provide a Java Hello World Example? | The requirement for Java Hello World Example
For executing any Java program, the following software or application must be properly installed.
Install the JDK if you don't have installed it, download the JDK and install it.
Set path of the jdk/bin directory. http://www.javatpoint.com/how-to-set-path-in-java
Creat... |
In how many ways we can write a Java program? | There are many ways to write a Java program. The modifications that can be done in a Java program are given below:
1) By changing the sequence of the modifiers, method prototype is not changed in Java.
Let's see the simple code of the main method.
static public void main(String args[])
2) The subscript notation i... |
What are the valid Java main() method signatures? | public static void main(String[] args)
public static void main(String []args)
public static void main(String args[])
public static void main(String... args)
static public void main(String[] args)
public static final void main(String[] args)
final public static void main(String[] args)
final strictfp publi... |
What are the invalid Java main() method signatures? | public void main(String[] args)
static void main(String[] args)
public void static main(String[] args)
abstract public static void main(String[] args)
|
Resolving an error "javac is not recognized as an internal or external command"? | If there occurs a problem like displayed in the below figure, you need to set a path. Since DOS doesn't recognize javac and java as internal or external command. To overcome this problem, we need to set a path. The path is not required in a case where you save your program inside the JDK/bin directory. However, it is a... |
What happens at compile time? | At compile time, the Java file is compiled by Java Compiler (It does not interact with OS) and converts the Java code into bytecode.
|
What happens at runtime? | At runtime, the following steps are performed:
Class File →Classloader→Bytecode Verified→Interpreter→Runtime→Hardware
Classloader: It is the subsystem of JVM that is used to load class files.
Bytecode Verifier: Checks the code fragments for illegal code that can violate access rights to objects.
Interpreter... |
Can you save a Java source file by another name than the class name? | Yes, if the class is not public.
To compile:
javac Hard.java
To execute:
java Simple
Observe that, we have compiled the code with file name but running the program with class name. Therefore, we can save a Java program other than class name.
|
How to set path in Java? | The path is required to be set for using tools such as javac, java, etc.
If you are saving the Java source file inside the JDK/bin directory, the path is not required to be set because all the tools will be available in the current directory.
However, if you have your Java file outside the JDK/bin folder, it is necessa... |
How to set the Temporary Path of JDK in Windows? | To set the temporary path of JDK, you need to follow the following steps:
-Open the command prompt
-Copy the path of the JDK/bin directory
-Write in command prompt: set path=copied_path |
What are the Difference between JDK, JRE, and JVM? | We must understand the differences between JDK, JRE, and JVM before proceeding further to Java. See the brief overview of JVM here.
If you want to get the detailed knowledge of Java Virtual Machine, move to the next page. Firstly, let's see the differences between the JDK, JRE, and JVM.
JVM (Java Virtual Machine) is an... |
What is JVM (Java Virtual Machine)? | JVM (Java Virtual Machine) is an abstract machine. It is a specification that provides runtime environment in which java bytecode can be executed.
JVMs are available for many hardware and software platforms (i.e. JVM is platform dependent).
1.A specification where working of Java Virtual Machine is specified. But imple... |
Can you help me understand JVM Architecture? | Let's understand the internal architecture of JVM. It contains classloader, memory area, execution engine etc.
1) Classloader
Classloader is a subsystem of JVM which is used to load class files. Whenever we run the java program, it is loaded first by the classloader. There are three built-in classloaders in Java.
Bo... |
What is Java Variables? | A variable is a container which holds the value while the Java program is executed. A variable is assigned with a data type.
Variable is a name of memory location. There are three types of variables in java: local, instance and static.
There are two types of data types in Java: primitive and non-primitive.
|
What are the Types of Variables in Java? | There are three types of variables in Java:
-local variable
-instance variable
-static variable |
Can you provide an Example to understand the types of variables in java? | 1) Local Variable
A variable declared inside the body of the method is called local variable. You can use this variable only within that method and the other methods in the class aren't even aware that the variable exists.
A local variable cannot be defined with "static" keyword.
2) Instance Variable
A variable dec... |
Can you provide Java Variable Example: Add Two Numbers? | public class Simple{
public static void main(String[] args){
int a=10;
int b=10;
int c=a+b;
System.out.println(c);
}
}
Output: 20 |
Can you provide Java Variable Example: Widening? | public class Simple{
public static void main(String[] args){
int a=10;
float f=a;
System.out.println(a);
System.out.println(f);
}}
Output: 10
10.0 |
Can you provide Java Variable Example: Narrowing (Typecasting)? | public class Simple{
public static void main(String[] args){
float f=10.5f;
//int a=f;//Compile time error
int a=(int)f;
System.out.println(f);
System.out.println(a);
}}
Output: 10.5
10 |
Can you provide Java Variable Example: Overflow? | class Simple{
public static void main(String[] args){
//Overflow
int a=130;
byte b=(byte)a;
System.out.println(a);
System.out.println(b);
}}
Output: 130
-126 |
Can you provide Java Variable Example: Adding Lower Type? | class Simple{
public static void main(String[] args){
byte a=10;
byte b=10;
//byte c=a+b;//Compile Time Error: because a+b=20 will be int
byte c=(byte)(a+b);
System.out.println(c);
}}
Output: 20 |
What is Data Types in Java? | Data types specify the different sizes and values that can be stored in the variable. There are two types of data types in Java:
1.Primitive data types: The primitive data types include boolean, char, byte, short, int, long, float and double.
2.Non-primitive data types: The non-primitive data types include Classes, I... |
What is Java Primitive Data Types? | In Java language, primitive data types are the building blocks of data manipulation. These are the most basic data types available in Java language.
There are 8 types of primitive data types:
-boolean data type
-byte data type
-char data type
-short data type
-int data type
-long data type
-float data type
-dou... |
Why char uses 2 byte in java and what is \u0000 ? | It is because java uses Unicode system not ASCII code system. The \u0000 is the lowest range of Unicode system. To get detail explanation about Unicode visit next page.
|
Why java uses Unicode System? | Before Unicode, there were many language standards:
ASCII (American Standard Code for Information Interchange) for the United States.
ISO 8859-1 for Western European Language.
KOI-8 for Russian.
GB18030 and BIG-5 for chinese, and so on. |
What is Operators in Java? | Operator in Java is a symbol that is used to perform operations. For example: +, -, *, / etc.
There are many types of operators in Java which are given below:
-Unary Operator,
-Arithmetic Operator,
-Shift Operator,
-Relational Operator,
-Bitwise Operator,
-Logical Operator,
-Ternary Operator and
-Assignment Ope... |
What are the Java Operator Precedence? | Java Operator Precedence
Operator type: Unary
Category: postfix
Precedence: expr++ expr--
Category: prefix
Precedence: ++expr --expr +expr -expr ~ !
Operator type: Arithmetic
Category: multiplicative
Precedence: * / %
Category: additive
Precedence: + -
Operator type: Shift
Category: shift
Pre... |
What is Java Unary Operator? | The Java unary operators require only one operand. Unary operators are used to perform various operations i.e.:
-incrementing/decrementing a value by one
-negating an expression
-inverting the value of a boolean |
Can you provide an example of Java Unary Operator? | public class OperatorExample{
public static void main(String args[]){
int x=10;
System.out.println(x++);//10 (11)
System.out.println(++x);//12
System.out.println(x--);//12 (11)
System.out.println(--x);//10
}}
Output:
10
12
12
10 |
Can you provide an example of Java Unary Operator ++ and -- ? | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=10;
System.out.println(a++ + ++a);//10+12=22
System.out.println(b++ + b++);//10+11=21
}}
Output:
22
21 |
Can you provide an example of Java Unary Operator ~ and ! ? | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=-10;
boolean c=true;
boolean d=false;
System.out.println(~a);//-11 (minus of total positive value which starts from 0)
System.out.println(~b);//9 (positive of total minus, positive starts from 0)
System.out.pri... |
What is Java Arithmetic Operators? | Java arithmetic operators are used to perform addition, subtraction, multiplication, and division. They act as basic mathematical operations. |
Can you provide an example of Java Arithmetic Operator? | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=5;
System.out.println(a+b);//15
System.out.println(a-b);//5
System.out.println(a*b);//50
System.out.println(a/b);//2
System.out.println(a%b);//0
}}
Output:
15
5
50
2
0 |
Can you provide an example of Java Arithmetic Operator Expression? | public class OperatorExample{
public static void main(String args[]){
System.out.println(10*10/5+3-1*4/2);
}}
Output:
21 |
What is Java Left Shift Operator? | The Java left shift operator << is used to shift all of the bits in a value to the left side of a specified number of times.
|
Can you provide an example of Java Left Shift Operator Example ? | public class OperatorExample{
public static void main(String args[]){
System.out.println(10<<2);//10*2^2=10*4=40
System.out.println(10<<3);//10*2^3=10*8=80
System.out.println(20<<2);//20*2^2=20*4=80
System.out.println(15<<4);//15*2^4=15*16=240
}}
Output:
40
80
80
240 |
What is Java Right Shift Operator? | The Java right shift operator >> is used to move the value of the left operand to right by the number of bits specified by the right operand. |
Can you provide an example of Java Right Shift Operator? | public OperatorExample{
public static void main(String args[]){
System.out.println(10>>2);//10/2^2=10/4=2
System.out.println(20>>2);//20/2^2=20/4=5
System.out.println(20>>3);//20/2^3=20/8=2
}}
Output:
2
5
2 |
Can you provide an example of Java Shift Operator >> vs >>> ? | public class OperatorExample{
public static void main(String args[]){
//For positive number, >> and >>> works same
System.out.println(20>>2);
System.out.println(20>>>2);
//For negative number, >>> changes parity bit (MSB) to 0
System.out.println(-20>>2);
System.out.println(-... |
Can you provide an example of Java AND Operator Logical && and Bitwise &? | The logical && operator doesn't check the second condition if the first condition is false. It checks the second condition only if the first one is true.
The bitwise & operator always checks both conditions whether first condition is true or false.
public class OperatorExample{
public static void main(String a... |
Can you provide an example of Java AND Operator Example: Logical && vs Bitwise & ? | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=5;
int c=20;
System.out.println(a<b&&a++<c);//false && true = false
System.out.println(a);//10 because second condition is not checked
System.out.println(a<b&a++<c);//false && true = false
System.out.println(a)... |
Can you provide an example of Java OR Operator Logical || and Bitwise | ? | The logical || operator doesn't check the second condition if the first condition is true. It checks the second condition only if the first one is false.
The bitwise | operator always checks both conditions whether first condition is true or false.
public class OperatorExample{
public static void main(String args[]){... |
What is Java Ternary Operator? | Java Ternary operator is used as one line replacement for if-then-else statement and used a lot in Java programming. It is the only conditional operator which takes three operands. |
Can you provide an example of Java Ternary Operator? | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=5;
int min=(a<b)?a:b;
System.out.println(min);
}}
Output:
5
public class OperatorExample{
public static void main(String args[]){
int a=2;
int b=5;
int min=(a<b)?a:b;
System.out.println(min);
}}
Out... |
What is Java Assignment Operator? | Java assignment operator is one of the most common operators. It is used to assign the value on its right to the operand on its left.
|
Can you provide an example of Java Assignment Operator Example | public class OperatorExample{
public static void main(String args[]){
int a=10;
int b=20;
a+=4;//a=a+4 (a=10+4)
b-=4;//b=b-4 (b=20-4)
System.out.println(a);
System.out.println(b);
}}
Output:
14
16
public class OperatorExample{
public static void main(String[] args){
int a=10;
a+=3;//10+3
Syst... |
Can you provide an example of Java Assignment Operator Adding short | public class OperatorExample{
public static void main(String args[]){
short a=10;
short b=10;
//a+=b;//a=a+b internally so fine
a=a+b;//Compile time error because 10+10=20 now int
System.out.println(a);
}}
Output:
Compile time error
After type cast:
public class OperatorExample{
pub... |
What is Java Keywords? | Java keywords are also known as reserved words. Keywords are particular words that act as a key to a code. These are predefined words by Java so they cannot be used as a variable or object name or class name.
|
Can you provide the list of Java keywords? | A list of Java keywords or reserved words are given below:
1) abstract: Java abstract keyword is used to declare an abstract class. An abstract class can provide the implementation of the interface. It can have abstract and non-abstract methods.
2) boolean: Java boolean keyword is used to declare a variable as a bool... |
What is Java Control Statements or Control Flow in Java? | Java compiler executes the code from top to bottom. The statements in the code are executed according to the order in which they appear. However, Java provides statements that can be used to control the flow of Java code. Such statements are called control flow statements. It is one of the fundamental features of Java,... |
What is Decision-Making statements in Java? | As the name suggests, decision-making statements decide which statement to execute and when. Decision-making statements evaluate the Boolean expression and control the program flow depending upon the result of the condition provided. There are two types of decision-making statements in Java, i.e., If statement and swit... |
What is If Statement in Java? | In Java, the "if" statement is used to evaluate a condition. The control of the program is diverted depending upon the specific condition. The condition of the If statement gives a Boolean value, either true or false. In Java, there are four types of if-statements given below.
1.Simple if statement
2.if-else statement
... |
Can you provide an example of Simple if statement in Java? | It is the most basic statement among all control flow statements in Java. It evaluates a Boolean expression and enables the program to enter a block of code if the expression evaluates to true.
Syntax of if statement is given below.
if(condition) {
statement 1; //executes when condition is true
}
public clas... |
Can you provide an example of if-else statement in Java? | The if-else statement is an extension to the if-statement, which uses another block of code, i.e., else block. The else block is executed if the condition of the if-block is evaluated as false.
Syntax:
if(condition) {
statement 1; //executes when condition is true
}
else{
statement 2; //executes when conditi... |
What is if-else-if ladder in Java?
| The if-else-if statement contains the if-statement followed by multiple else-if statements. In other words, we can say that it is the chain of if-else statements that create a decision tree where the program may enter in the block of code where the condition is true. We can also define an else statement at the end of t... |
What is Nested if-statement in Java? | In nested if-statements, the if statement can contain a if or if-else statement inside another if or else-if statement.
Syntax of Nested if-statement is given below.
if(condition 1) {
statement 1; //executes when condition 1 is true
if(condition 2) {
statement 2; //executes when condition 2 is true
... |
What is Switch Statement in Java? | In Java, Switch statements are similar to if-else-if statements. The switch statement contains multiple blocks of code called cases and a single case is executed based on the variable which is being switched. The switch statement is easier to use instead of if-else-if statements. It also enhances the readability of the... |
What is for loop in Java?
| in Java, for loop is similar to C and C++. It enables us to initialize the loop variable, check the condition, and increment/decrement in a single line of code. We use the for loop only when we exactly know the number of times, we want to execute the block of code.
for(initialization, condition, increment/decrement) {... |
What is for-each loop in Java? | Java provides an enhanced for loop to traverse the data structures like array or collection. In the for-each loop, we don't need to update the loop variable. The syntax to use the for-each loop in java is given below.
for(data_type var : array_name/collection_name){
//statements
}
Consider the following ex... |
What is while loop in Java? | The while loop is also used to iterate over the number of statements multiple times. However, if we don't know the number of iterations in advance, it is recommended to use a while loop. Unlike for loop, the initialization and increment/decrement doesn't take place inside the loop statement in while loop.
It is also... |
What is do-while loop in Java?
| The do-while loop checks the condition at the end of the loop after executing the loop statements. When the number of iteration is not known and we have to execute the loop at least once, we can use do-while loop.
It is also known as the exit-controlled loop since the condition is not checked in advance. The syntax of ... |
What is Jump Statements? | Consider the following example to understand the functioning of the do-while loop in Java.
Calculation.java
public class Calculation {
public static void main(String[] args) {
// TODO Auto-generated method stub
int i = 0;
System.out.println("Printing the list of first 10 even numbers \n");
do... |
What isJava break statement? | As the name suggests, the break statement is used to break the current flow of the program and transfer the control to the next statement outside a loop or switch statement. However, it breaks only the inner loop in the case of the nested loop.
The break statement cannot be used independently in the Java program, i.e.... |
What is Java continue statement? | Unlike break statement, the continue statement doesn't break the loop, whereas, it skips the specific part of the loop and jumps to the next iteration of the loop immediately.
Consider the following example to understand the functioning of the continue statement in Java.
public class ContinueExample {
public stati... |
What is Java If-else Statement? | The Java if statement is used to test the condition. It checks boolean condition: true or false. There are various types of if statement in Java.
-if statement
-if-else statement
-if-else-if ladder
-nested if statement |
What is Java if Statement? | The Java if statement tests the condition. It executes the if block if condition is true.
Syntax:
if(condition){
//code to be executed
}
Example:
//Java Program to demonstate the use of if statement.
public class IfExample {
public static void main(String[] args) {
//defining an 'age' variabl... |
What is Java if-else Statement? | The Java if-else statement also tests the condition. It executes the if block if condition is true otherwise else block is executed.
Syntax:
if(condition){
//code if condition is true
}else{
//code if condition is false
}
Example:
//A Java Program to demonstrate the use of if-else statement.
/... |
How to use Ternary Operator in Java? | We can also use ternary operator (? :) to perform the task of if...else statement. It is a shorthand way to check the condition. If the condition is true, the result of ? is returned. But, if the condition is false, the result of : is returned.
Example:
public class IfElseTernaryExample {
public static void main(St... |
What is Java if-else-if ladder Statement? | The if-else-if ladder statement executes one condition from multiple statements.
Syntax:
if(condition1){
//code to be executed if condition1 is true
}else if(condition2){
//code to be executed if condition2 is true
}
else if(condition3){
//code to be executed if condition3 is true
}
...
else{
//code... |
What is Java Nested if statement? | The nested if statement represents the if block within another if block. Here, the inner if block condition executes only when outer if block condition is true.
Syntax:
if(condition){
//code to be executed
if(condition){
//code to be executed
}
}
Example:
//Java Pro... |
What is Java Switch Statement? | The Java switch statement executes one statement from multiple conditions. It is like if-else-if ladder statement. The switch statement works with byte, short, int, long, enum types, String and some wrapper types like Byte, Short, Int, and Long. Since Java 7, you can use strings in the switch statement.
In other wor... |
Can you provide an example of Switch Example in java? | SwitchExample.java
public class SwitchExample {
public static void main(String[] args) {
//Declaring a variable for switch expression
int number=20;
//Switch expression
switch(number){
//Case statements
case 10: System.out.println("10");
break;
case 20: System.out.prin... |
Can you provide an example of Switch Month Example in java? | //Java Program to demonstrate the example of Switch statement
//where we are printing month name for the given number
public class SwitchMonthExample {
public static void main(String[] args) {
//Specifying month number
int month=7;
String monthString="";
//Switch statement
... |
Can you provide an example of Switch Vowel Example in java? | SwitchVowelExample.java
public class SwitchVowelExample {
public static void main(String[] args) {
char ch='O';
switch(ch)
{
case 'a':
System.out.println("Vowel");
break;
case 'e':
System.out.println("Vowel");
... |
Is Java Switch Statement is fall-through? | Java Switch Statement is fall-through
The Java switch statement is fall-through. It means it executes all statements after the first match if a break statement is not present. |
Can you provide an example of Java Switch Statement with String? | Example:
SwitchExample2.java
//Java Switch Example where we are omitting the
//break statement
public class SwitchExample2 {
public static void main(String[] args) {
int number=20;
//switch expression with int value
switch(number){
//switch cases without break statements
... |
What is Java Nested Switch Statement? | We can use switch statement inside other switch statement in Java. It is known as nested switch statement.
Example:
NestedSwitchExample.java
//Java Program to demonstrate the use of Java Nested Switch
public class NestedSwitchExample {
public static void main(String args[])
{
//C ... |
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