java中实现Comparable接口实现自定义排序的示例
发布时间:2020-12-14 22:26:32 所属栏目:Java 来源:网络整理
导读:实例如下所示: class Student implements Comparable{ String name; int gpa; @Override public int compareTo(Object arg0) { // TODO Auto-generated method stub Student s = (Student)arg0; if(gpa == s.gpa) return name.compareTo(s.name); else if(g
实例如下所示: class Student implements Comparable{ String name; int gpa; @Override public int compareTo(Object arg0) { // TODO Auto-generated method stub Student s = (Student)arg0; if(gpa == s.gpa) return name.compareTo(s.name); else if(gpa < s.gpa) return -1; else if(gpa > s.gpa) return 1; else return 0; } } class Test { public static void main(String[] args){ Scanner in = new Scanner(System.in); int n = in.nextInt(); Student[] s = new Student[n]; for(int i = 0;i < n;i ++){ s[i] = new Student(); s[i].name = in.next(); s[i].gpa = in.nextInt(); } Arrays.sort(s); for (Student ss : s) { System.out.println(ss.name); System.out.println(ss.gpa); } } } 以上这篇java中实现Comparable接口实现自定义排序的示例就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持编程小技巧。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |