Practice question for java learner

Basic question 1

//1. Write a Java program to print 'Hello' on screen and your name on a separate line.

1. public class practice1 {

       public static void main(String[] args) {

           System.out.println( "rakesh" );

       }

      

   }

   
   
2. import java.util.Scanner;

   public class practice2 {

       //Write a Java program to print the sum of two numbers.

       // public static void main(String[] args) {

       //     int i=5, y=8;

       //     System.out.println(i+y);

          

       // }

       // input methode

   
   

       public static void main(String[] args) {

           Scanner sc = new Scanner(System.in);

           int a = sc.nextInt();

           System.out.print("=");

           int b =sc.nextInt();

           System.out.print(a+b);

           sc.close();

       }

      

   }

   
   
3. public class practice3 {

       //Write a Java program to divide two numbers and print them on the screen.

       // public static void main(String[] args) {

       //     int a=50, b=3;

       //     System.out.println(a/b);      

       // }

      

   
   

   // output 16 because here note is use float type and below try to use float type

   public static void main(String[] args) {

       float a=33,b=10;

       System.out.println(a/b);

   }

   }

   // out is 3.3 because i am also use float type date type
4. 
   

   // 4. Write a Java program to print the results of the following operations.

   // Test Data:

   // a. -5 + 8 * 6

   // b. (55+9) % 9

   // c. 20 + -3*5 / 8

   // d. 5 + 15 / 3 * 2 - 8 % 3

   import java.util.Scanner;

   public class practice4 {

       public static void main(String[] args) {

           // A. I am try to solve using input methode this question

           Scanner sc = new Scanner (System.in);

           System.out.println("Enter your input");

           int a = sc.nextInt();

           int b = sc.nextInt();

           int c = sc.nextInt();

           System.out.println(a+b*c);

           sc.close();

           // output is 43

           //b.try to solve using declare deta type

           int d =(55+9), e=9;

           System.out.println(d%e);

           //out put 1

           //C.

           int f = 20, g=-3*5, h=8;

           System.out.println(f+g/h);

           //out put 19

           //d.

           int i =5,j=15/3*2, k=8%3;

           System.out.println(i+j-k);

           //out put is 13

   
   

          

   
   

          

       }

   }