Question

Can you fix the errors in this code?

package demo;

/**
*
*
*/
import java.util.Scanner;

public class Booolean0p {

       public class BooleanOp {
           public static void main(String[] args) {
               int a = 0, b = 0 , c = 0;

               Scanner kbd = new Scanner(System.in);
               System.out.print("Input the first number: ");
               a = kbd.nextInt();
               System.out.print("Input the second number: ");
               b = kbd.nextInt();
               System.out.print("Input the third number: ");
               System.out.println();

               System.out.println("a = " + a + ", b = " + b + " and c = " + c);  
               System.out.println();

               System.out.println(a + " is greater than " + b + ": " + (a > b));
               System.out.println(a + " is less than " + b + ": " + " UNKNOWN");
               System.out.println(a + " is equal to " + b + ": " + " UNKNOWN");
               System.out.println(a + " is greater or equal to " + b + ": " + (a >= b));
               System.out.println(a + " is less than or equal to " + b + ": " + " UNKNOWN");
               System.out.println(a + " is not equal to " + b + ": " + (a != b));

               System.out.println(a + " is greater than " + b + " OR " + a + " is equal to " + c + ": " + (a > b || a == c));
               System.out.println(a + " is less than " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is equal to " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is greater or equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than or equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is not equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");

               System.out.println(a + " is less than " + b + " OR " + a + " is greater than " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than " + b + " OR " + a + " is less than " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than " + b + " AND " + a + " is greater or equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than " + b + " AND " + a + " is less than or equal to " + c + ": " + " UNKNOWN");
               System.out.println(a + " is less than " + b + " AND " + a + " is not equal to " + c + ": " + (a < b && a != c));

               kbd.close();
           }
       }
   }

}

Answer 1

Program:

Explanation:

Line 1: //Header file for scanner object
Line 2: //Here taking class name as Booolean0p
Line 3: //Start of main()
Line 4: //Here initializing the values of integer variables called a,b,c
Line 5:// Here creating the scanner object called kbd
Line 6://Here asking the user to enter first number
Line 7://Here scanning the user input for a
Line 8://Here asking the user to enter second number
Line 9://Here scanning the user input for b
Line 10://Here asking the user to enter third number
Line 11://Here scanning the user input for c
Line 12://printing the statement
Line 13://Here printing the values of a , b, c
Line 14: //printing the statement
Line 15://Checking the condition and pritning
Line 16://Checking the condition and pritning
Line 17://Checking the condition and pritning
Line 18://Checking the condition and pritning
Line 19://Checking the condition and pritning
Line 20:// Checking the condition and pritning
Line 21: //Checking the condition and pritning
Line 22: //Checking the condition and pritning
Line 23: //Checking the condition and pritning
Line 24: //Checking the condition and pritning
Line 25: //Checking the condition and pritning
Line 26: //Checking the condition and pritning
Line 27: //Checking the condition and pritning
Line 28: //Checking the condition and pritning
Line 29: //Checking the condition and pritning
Line 30: //Checking the condition and pritning
Line 31: //Checking the condition and pritning

Line 32: //Checking the condition and pritning

Line 33: //Checking the condition and pritning

Line 34: //Checking the condition and pritning

Line 35: //End of main()
Line 36://End of class Booolean0p

Program:

import java.util.Scanner;
class Booolean0p {
public static void main(String[] args) {
int a = 0, b = 0 , c = 0;
Scanner kbd = new Scanner(System.in);
System.out.print("Input the first number: ");
a = kbd.nextInt();
System.out.print("Input the second number: ");
b = kbd.nextInt();
System.out.print("Input the third number: ");
c = kbd.nextInt();
System.out.println();
System.out.println("a = " + a + ", b = " + b + " and c = " + c);   
System.out.println();
System.out.println(a + " is greater than " + b + ": " + (a > b));
System.out.println(a + " is less than " + b + ": " + " UNKNOWN");
System.out.println(a + " is equal to " + b + ": " + " UNKNOWN");
System.out.println(a + " is greater or equal to " + b + ": " + (a >= b));
System.out.println(a + " is less than or equal to " + b + ": " + " UNKNOWN");
System.out.println(a + " is not equal to " + b + ": " + (a != b));
System.out.println(a + " is greater than " + b + " OR " + a + " is equal to " + c + ": " + (a > b || a == c));
System.out.println(a + " is less than " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is equal to " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is greater or equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than or equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is not equal to " + b + " AND " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " OR " + a + " is greater than " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " OR " + a + " is less than " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " OR " + a + " is equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " AND " + a + " is greater or equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " AND " + a + " is less than or equal to " + c + ": " + " UNKNOWN");
System.out.println(a + " is less than " + b + " AND " + a + " is not equal to " + c + ": " + (a < b && a != c));
kbd.close();
}

}

Output: