Read three integer values and test comparison operators
import java.util.Scanner; public class BooleanOp{ public static void main(String[] args) { int a = 0, b = 0 , c = 0; System.out.println('A' + " is character"); Scanner in = new Scanner(System.in); System.out.print("Input the first number: "); a = in.nextInt();// w w w . ja v a 2 s .c o m System.out.print("Input the second number: "); b = in.nextInt(); System.out.print("Input the third number: "); c = in.nextInt(); System.out.println("a = " + a + " and b = " + b + " and c = " + c); System.out.println(a + " is greater than " + b + " : " + (a > b)); System.out.println(a + " is less than " + b + " : " + (a < b)); System.out.println(a + " is equal to " + b + " : " + (a == b)); System.out.println(a + " is greater or equal to " + b + " : " + (a >= b)); System.out.println(a + " is less than or equal to " + b + " : " + (a <=b )); 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 + " : " + (a < b || a == c )); System.out.println(a + " is equal to " + b + " OR " + a + " is equal to " + c + " : " + (a == b || a == c)); System.out.println(a + " is greater or equal to " + b + " AND " + a + " is equal to " + c + " : " + (a >= b && a == c)); System.out.println(a + " is less than or equal to " + b + " AND " + a + " is equal to " + c + " : " + (a <= b && a == c)); System.out.println(a + " is not equal to " + b + " AND " + a + " is equal to " + c + " : " + (a != b && a == c)); System.out.println(a + " is less than " + b + " OR " + a + " is greater than " + c + " : " + (a < b || a > c)); System.out.println(a + " is less than " + b + " OR " + a + " is less than " + c + " : " + (a < b || a < c)); System.out.println(a + " is less than " + b + " OR " + a + " is equal to " + c + " : " + (a < b || a == c)); System.out.println(a + " is less than " + b + " AND " + a + " is greater or equal to " + c + " : " + (a < b && a >= c)); System.out.println(a + " is less than " + b + " AND " + a + " is less than or equal to " + c + " : " + (a < b && a <= c)); System.out.println(a + " is less than " + b + " AND " + a + " is not equal to " + c + " : " + (a < b && a != c)); } }