Data Type with Arithmetic Operator in Java

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package jv.arith;
/**
 * Arithmetic identification in java
 * @author sm rabbi
 */
public class JvArith {
   //Demonstrate the basic arithmetic operators
    public static void main(String[] args) {
                // arithmetic usings integers
                System.out.println("Integer Arithmetic");
                int a=1+1;
                int b=a*3;
                int c=b/4;
                int d=c-a;
                int e=-a;
                System.out.println("a= "+a);
                System.out.println("b="+b);
                System.out.println("c="+c);
                System.out.println("d="+d);
                System.out.println("e="+e);
                //arithmatic using doubles
                System.out.println("\nFloatig Piont Arithmetic");
                double m=1+1;
                double n=m*3;
                double o=n/4;
                double p=o-m;
                double q=-p;
                System.out.println("m="+m);
                System.out.println("n="+n);
                System.out.println("o="+o);
                System.out.println("p="+p);
                System.out.println("q="+q);
    }
}