BiConsumerAndThenExample.java

package com.ppkcodes;

import java.util.Arrays;
import java.util.List;
import java.util.function.BiConsumer;

public class BiConsumerAndThenExample {

  public static void main(String[] args) {
    BiConsumer<List<String>, List<String>> compareList = (list1, list2) -> {
      if (list1.size() == list2.size()) {
        for (int i = 0; i < list1.size(); i++) {
          if (!list1.get(i).equalsIgnoreCase(list2.get(i))) {
            System.out.println("Both lists are not equal");
            return;
          }
        }
        System.out.println("Both lists are equal");

      } else {
        System.out.println("Both lists are not equal");
        return;
      }
    };

    BiConsumer<List<String>, List<String>> display = (list1, list2) -> {
      System.out.println("List1 : ");
      list1.stream().forEach(str -> System.out.println(" " + str));
      System.out.println("=====================================");
      System.out.println("List2 : ");
      list2.stream().forEach(str -> System.out.println(" " + str));
    };

    List<String> names1 = Arrays.asList("Sachin", "Lara", "Waugh", "Gavaskar");
    List<String> names2 = Arrays.asList("Sachin", "Lara", "Waugh", "Gavaskar");

    compareList.andThen(display).accept(names1, names2);

  }
}