Create instance of inner class for functional interface - Java Object Oriented Design

Java examples for Object Oriented Design:Inner Class

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Description

Create instance of inner class for functional interface

Demo Code

import java.util.function.Consumer;

public class Main {
  public static void main(String[] args) {
    VariableAccessInner vai = new VariableAccessInner();
    VariableAccessInner.InnerClass inner = vai.new InnerClass();
    inner.lambdaInMethod("Hello");
  }//from  www  . j  av  a  2 s  . c o  m
}

class VariableAccessInner {
  String CLASSA = "Class-level A";
  class InnerClass {
    String CLASSA = "Class-level B";
    void lambdaInMethod(String passedIn) {
      String METHODA = "Method-level A";
      // passedIn = "test";
      Consumer<String> l1 = x -> {
        System.out.println(x);
        System.out.println("CLASSA Value: " + CLASSA);
        System.out.println("METHODA Value: " + METHODA);
      };
      l1.accept(CLASSA);
      l1.accept(passedIn);
    }
  }
}

Result


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