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AlgrebraicOperationsSwitchCase.java

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import java.util.Scanner;

public class AlgrebraicOperationsSwitchCase {

public static void main(String args[]) {

//Declaring variables

double n1,n2,res = 0;

System.out.println("Algebraic Operations of two Numbers with Switch Case Loop\n---");

Scanner scanner = new Scanner(System.in);

System.out.println("Enter the number 1: ");

n1 = scanner.nextDouble();

System.out.println("Enter the number 2: ");

n2 = scanner.nextDouble();

System.out.println("---\nEnter 1 for addition or\n2 for subtraction or\n3 for multiplication or\n4 for division");

int operator = scanner.nextInt();

//Solving by switch case loop for simpler code.

switch(operator) {

case 1:

res = n1+n2;

break;

case 2:

res = n1-n2;

break;

case 3:

res = n1*n2;

break;

case 4:

res = n1/n2;

break;

default:

System.out.println("You have chosen a wrong option.\nPlease choose from the above given options.");

end();

}

System.out.println(res);

end();

scanner.close();

}

static void end() {

System.out.println("---\nEnter Y to continue or any key to exit!");

Scanner getEndOption= new Scanner(System.in);

String option = getEndOption.next();

if(option.equalsIgnoreCase("Y")) {

main(null);

}

else {

System.out.println("The Program has ended. Please run the program again.");

}

getEndOption.close();

}