| package com.example.test; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import java.util.List; |
| import java.util.function.Predicate; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| |
| class TestActivity extends Activity { |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| Predicate<Integer> isEven = e -> e % 2 == 0; |
| List<Integer> intList = IntStream.range(200, 400) |
| .filter(isEven::test) |
| .boxed() |
| .collect(Collectors.toList()); |
| } |
| } |