You’ll also learn how the interface has evolved in Java 8, with the addition of default and static methods, and in Java 9 with the new private methods. These additions make interfaces more ...

This means we don’t need to explicitly declare them as abstract. When default methods were introduced in Java 8, some developers thought they would be the same as abstract classes. That’s not ...

Follow these five guidelines when you include Java's default constructor in your code: A default constructor exists only when no other constructors exist in the class. The default constructor takes no ...

According to the JavaDoc, the Consumer interface accepts any type of object as input. The java.util.function.Consumer class has one non-default method named accept which takes a single object as its ...