A_07_practice03.java

package com.company;

import java.util.Scanner;

public class A_07_practice03 {
    public static void main(String[] args) {

////Question 1: What will be the result of the following expression: float a = 7/4 * 9/2
//        //float a = 7/4 * 9/2; //show wrong answer :4.0
//        float a = 7/4.0f * 9/2.0f;
//        System.out.println(a);


////Question 2: write a java program to encrypt a grade by adding 8 to it. Decrypt it to show the correct grade.
//        char grade = 'B';
//        //encrypting the grade
//        grade  = (char)(grade+8);
//        System.out.println(grade);
//        //Decrypting the grade
//        grade  = (char)(grade-8);
//        System.out.println(grade);


////Question 3: Use comparison operators to find out whether a given number is greater than the user entered number or not.
//        System.out.println("enter number: ");
//        Scanner sc = new Scanner(System.in);
//        int a = sc.nextInt();
//        System.out.println(a>8);


//Question 4: Write the following expression in a java program: v^2-u^2/2as
// Ans: (v*v - u*u)/ (2*a*s)


////Question 5: Find the value of the following expression: int a = 7*49/7 + 35/7 -->Value of a?
//        System.out.println(7*49/7 + 35/7);

    }
}