Files
  • Main.java
Main.java
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public class Main {
  public static void main(String[] args) {
    Foo f = () -> System.out.println("Foo!");
    f.foo();
    
    Bar b = () -> System.out.println("Bar!");
    b.bar();
    
    Frog kermit = () -> System.out.println("Ribbit!");
    kermit.talk();
    
    Displayer message = () -> System.out.println("Hello!");
    message.show();
  }
  
  interface Foo {
    void foo();
  }
  
  interface Bar {
    void bar();
  }
  
  interface Frog {
    void talk();
  }
  
  interface Displayer {
    void show();
  }
}