MainPredicate.java

package examples;

public class MainPredicate {

    public static void main(String[] args) {
        Predicate<String> p1 = (s) -> s.length() < 20;
        Predicate<String> p2 = (s) -> s.length() > 5;

        boolean b = p1.test("Hello");
        
        System.out.println("Hello is shorter than 20 chars " + b);
        
        Predicate<String> p3 = p1.and(p2);
        
        System.out.println("On Yes: " + p3.test("Yes"));
        System.out.println("Good Morning: " + p3.test("Good Morning"));
        System.out.println("Good Morning gentlemen: " + p3.test("Good Morning Gentlemen"));

        Predicate<String> p4 = p1.or(p2);

        System.out.println("On Yes: " + p4.test("Yes"));
        System.out.println("Good Morning: " + p4.test("Good Morning"));
        System.out.println("Good Morning gentlemen: " + p4.test("Good Morning Gentlemen"));
        
        Predicate<String> p5 = Predicate.isEqualsTo("Yes");
        System.out.println("On Yes: " + p5.test("Yes"));
        System.out.println("On No: " + p5.test("No"));

        Predicate<Integer> p6 = Predicate.isEqualsTo(1);
        System.out.println("On 1: " + p6.test(1));
        System.out.println("On 2: " + p6.test(2));

        
    }

}