Ijava Primitives

import java.util.Scanner;

public class percent{


    public static void main(String args[]){

    	Scanner input=new Scanner(System.in);

      
        int a=input.nextInt();
        System.out.println(a);

        Scanner input3=new Scanner(System.in);
        String operator=input3.nextLine();
        System.out.println(operator);

        Scanner input2=new Scanner(System.in);
        int b=input2.nextInt();
        System.out.println(b);


       


        if(operator.equals("+")){
int ans=a+b;
            System.out.println("Answer= "+  ans);

        }

        if(operator.equals("x")){
            int answer=a*b;
            System.out.println("Answer= "+  answer);

        }
        if(operator.equals("-")){
            //System.out.println("Answer= "+  a-b);

        }
        if(operator.equals("/")){
            double quotiant=(double) a/(double) b;
            System.out.println("Answer= "+  quotiant);

        }

        boolean happy= true(;)
        System.out.println(happy);
    }
}

percent.main(null);

2
x
8
Answer= 16

import java.util.Scanner;
public class JavaExample
{
    public static void main(String args[]) 
    {
        float p, r, t, sinterest;
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter the Principal : ");
        p = scan.nextFloat();
        System.out.print("Enter the Rate of interest : ");
        r = scan.nextFloat();
        System.out.print("Enter the Time period : ");
        t = scan.nextFloat();
        scan.close();
        sinterest = (p * r * t) / 100;
        System.out.print("Simple Interest is: " +sinterest);
    }
}
JavaExample.main(null);

Enter the Principal : Enter the Rate of interest : Enter the Time period : Simple Interest is: 360.0