Project

import java.util.Scanner;

public class Calculator {
public static void main(String args[]) {
Scanner scan = new Scanner (System.in);

System.out.println("Choose Your Opretion");
System.out.println("1 foe Addition");
System.out.println("2 for Subtraction");
System.out.println("3 for Multiplication");
System.out.println("4 for Division");




int choose = scan.nextInt();

System.out.println("Enter The No.");
int x = scan.nextInt();
int y = scan.nextInt();

if(choose==1) {
System.out.println("Answer is:"+ add(x,y));

}
else if(choose==2) {
System.out.println("Answer is:"+ sub(x,y));
}
else if(choose==3) {
System.out.println("Answer is:"+ mul(x,y));
}
else if(choose==4) {
System.out.println("Answer is:"+ div(x,y));
}
else {
System.out.println("Please Enter Some Valid Input! ");
}

}
public static int add(int x, int y) {
int n;
n=x+y;
return n;
}
public static int sub(int x, int y) {
int n;
n=x-y;
return n;
}
public static int mul(int x, int y) {
int n;
n=x*y;
return n;
}
public static int div(int x, int y) {
int n;
n=x/y;
return n;
}

}