ArrayList 정렬 및 자르기
1. ArrayList 정렬 Collections sort(students, new Comparator() { public int compare(Student s1,Student s2) { if(s1.getName() != null && s2.getName() != null && s1.getName().comareTo(s1.getName()) != 0) { return s1.getName().compareTo(s2.getName()); } else { return s1.getAge().compareTo(s2.getAge()); } } ); 2. ArrayList 자르기 List numbers = new ArrayList( Arrays.asList(5,3,1,2,9,5,0,7) ); List head = ..
2016.03.07