Functional Interface prior to Java 8 | okay java | Java 8 Functional Interface | Function interface
Functional Interface prior to Java 8 | okay java | Java 8 Functional Interface | Function interface
Can you name any functional interface which was there prior to java 8?
1) Runnable Interface
public abstract void run();
2) Comparator Interface
public int compareTo(T o);
3) ActionListener
public void actionPerformed(ActionEvent e);
What is new in Java 8 Functional Interfaces?
1) @FunctionalInterface annotation
2) Predicate - test()
3) Function - apply()
4) Consumer - accept()
5) Supplier - get()
6) BiPredicate - test()
7) BiFunction - apply()
8) BiConsumer - accept()
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