Java Programming | Introduction to Switch Statements

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Introduction

This is tutorial on switch statements in java. The program is given below that explains how to use switch statements in java. The program is extendable. Go enjoy the program. Lets begin…….

Program for switch statements in java.


//import Scanner as we require it.
import java.util.Scanner;

// the name of our class its public
public class SwitchStatements {
//void main
public static void main (String[] args)
{
//declare int
int a;

//Declare input as scanner
Scanner input = new Scanner(System.in);

//Take inputs
System.out.println("Enter a no. :");
a = input.nextInt();

//add a switch statement
switch(a)
{
case 1:
System.out.println("One");
break;
case 2:
System.out.println("Two");
break;
case 3:
System.out.println("Three");
break;
case 4:
System.out.println("Four");
break;
case 5:
System.out.println("Five");
break;
default:
System.out.println("No. Not found");
}
}
}

Output

Enter a no. :
1
One

How does it work

  1. You enter the number.
  2. The conditional statement prints the number in words.

Extending it

The program can be extended. You can use more numbers or alphabets to expand it. Go ahead…..

Explanation.

  1. Import the Scanner.
  2. Declare the class as public
  3. Add the void main function
  4. Add system.out.println() function with the message to enter number.
  5. Declare input as Scanner.
  6. Take the inputs and save it in variables.
  7. Add a Switch Statement.
  8. Add system.out.println() function to print the word.

At the end.

You learnt creating the Java program for Switch Statements. So now enjoy the program.

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