Here’s how to do it using a method reference: import java.util.List; import java.util.Arrays; public class Mascot { private String name; public Mascot(String name) { this.name = name; ...

The last thing you need to learn about using classes in Java, is the role of the ... each one had a different name, phone number, etc. The constructor method should have the same name as the ...

Only functional interfaces can use the lambda feature in Java. Abstract classes with only one abstract method cannot use lambdas. Can’t have constructor. Can have constructor. Can have abstract ...

A method might accept a specific type and ... Here's how it works. Use sealed classes in Java to control your inheritance Need to limit the number of possible subclasses in your codebase? Here comes ...

The java.util.function.Consumer class has one non-default method named ... example implemented using a somewhat verbose lambda expression: The functional Consumer interface is used extensively across ...