java practice set 1

package com.company;

import java.util.Scanner;

public class cwh_practiceset1 {

    public static void main(String[] args) {

        ////question 1

        //int a=30;

        //int b=40;

        //int c=30;

        //int sum = a + b + c;

        //System.out.println("sum");

        // question 2

        //float subject1=50;

        //float subject2=50;

        // float subject3=50;

        // float cgpa=(subject1+subject2+subject3)/30;

        // System.out.println("cgpa" cgpa);

        //question 3

        //System.out.println("what is your name");

        //Scanner sc= new Scanner(System.in);

        //String name=sc.next();

        //System.out.println(" hello " + name  + " have a good day ");

        //question4

        //System.out.println("Enter km which you want to convert into miles");

        //Scanner sc = new Scanner(System.in);

        //float km1 = sc.nextFloat();

        //float aa = km1*0.621371f;

        //System.out.println(aa);

        //question 5

        System.out.println("enter your number");

        Scanner sc = new Scanner(System.in);

        System.out.println(sc.hasNextInt());

    }

}