// Demonstrate boolean values. class BoolTest { public static void main(String args[]) { boolean b1; b1 = false; System.out.println("b1 is " + b1); b1 = true; System.out.println("b1 is " + b1); // a boolean value can control the if statement if(b1) System.out.println("This is executed."); b = false; if(b) System.out.println("Not executed."); // outcome of relational operator is a boolean System.out.println("100 > 90 is " + (100 > 90)); } }