For this Java Function interface example, we will provide a single method named “apply” that takes an Integer as an argument, squares it and returns the result as a String. Before we begin, let’s take ...

Figure 1: JavaDoc list of the five methods of the Java 8 Predicate interface. System.out.printf("Gretzky's number is even: %s", predicateExample.test(99)); System.out.printf("\nLemieux's number is ...