Java stream()메서드, collect() 메서드 와 샘플코드
소스 아래 링크글을 읽어봐라... =========================================================================== public HashMap funcT4() { HashMap map = new HashMap(); List studentList = List.of( new Student("IronMan", 15, Gender.MALE), new Student("Hulk", 18, Gender.MALE), new Student("Captain", 17, Gender.MALE), new Student("Black widow", 14, Gender.FEMMALE) ); // List males = new ArrayList(); // for(Student st..
2022. 12. 26.