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What will be the output ? Give reason.

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Will the following code compile? If yes, then is there any other problem with this code?

Will the following code compile? If yes, then is there any other problem with this code?

//Simple calculator program in java...........!

import java.util.Scanner;
import java.lang.*;
class Calculator2
{

public static void main(String[] args)
{
int a;
int b;
Scanner input = new Scanner(System.in);

do
{
System.out.println("Enter 1 for addition ");
System.out.println("Enter 2 for subtraction ");
System.out.println("Enter 3 for multiplication ");
System.out.println("Enter 4 for Devision ");
System.out.println("Enter 5 for Exit");

int number = input.nextInt();

switch (number) {

case 1:
System.out.print("Enter First number ");
a = input.nextInt();
System.out.print("Enter Second number ");
b =input.nextInt();
System.out.println("Addition ="+ a+b);
break;

case 2:
System.out.print("Enter First number ");
a = input.nextInt();
System.out.print("Enter Second number ");
b =input.nextInt();
System.out.println("Subtraction ="+ (a-b));
break;

case 3:
System.out.print("Enter First number ");
a = input.nextInt();
System.out.print("Enter Second number ");
b =input.nextInt();
System.out.println("multiplication ="+ a*b);
break;

case 4:
System.out.print("Enter First number ");
a = input.nextInt();
System.out.print("Enter Second number ");
b =input.nextInt();
System.out.println("Devision ="+ a/b);
break;

case 5:
System.exit(0);
}}

while (true);
}
}

What will be the output of this java code?

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