单一条件过滤
/**
* 测试filter
*/
@Test
public void testFilter() {
List<User> user = new ArrayList<>();
user.add(new User(1L, 18, "小明"));
user.add(new User(2L, 20, "小王"));
user.add(new User(3L, 28, "小刚"));
user.add(new User(4l, 25, "小丽"));
user.add(new User(5L, 18, "小明"));
List<User> collect1 = user.stream().filter(e -> e.getAge() > 20).collect(Collectors.toList());
System.out.println(JSON.toJSONString(collect1));
}
多条件过滤
/**
* 测试filter
*/
@Test
public void testFilter() {
List<User> user = new ArrayList<>();
user.add(new User(1L, 18, "小明"));
user.add(new User(2L, 20, "小王"));
user.add(new User(3L, 28, "小刚"));
user.add(new User(4l, 25, "小丽"));
user.add(new User(5L, 18, "小明"));
List<User> collect = user.stream().filter(e -> e.getAge() > 20 && e.getId() > 3).collect(Collectors.toList());
System.out.println(JSON.toJSONString(collect));
}
