java字符串排序

[java]代码库
package example;
 
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
 
public class Demo {
 
    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Demo demo = new Demo();
        List<Student> list = new ArrayList<Student>(); // your Car list
        Student st = demo.new Student();
        st.setName("sekhar");
        st.setCity("bbsr");
        st.setRoll(23);
        list.add(st);
        st = demo.new Student();
        st.setName("himanshu");
        st.setCity("agra");
        st.setRoll(23);
        list.add(st);
        st = demo.new Student();
        st.setName("nitin");
        st.setCity("delhi");
        st.setRoll(23);
        list.add(st);
        st = demo.new Student();
        st.setName("nitin");
        st.setCity("delhi");
        st.setRoll(22);
        list.add(st);
        st = demo.new Student();
        st.setName("nitin");
        st.setCity("bbsr");
        st.setRoll(23);
        list.add(st);
        st = demo.new Student();
        st.setName("arun");
        st.setCity("patna");
        st.setRoll(23);
        list.add(st);
        st = demo.new Student();
        st.setName("arun");
        st.setCity("kendrapara");
        st.setRoll(23);
        list.add(st);
        System.out.println("before sort");
        System.out.println("Name:" + "-------------------" + "City...........roll");
        for (Student st1 : list) {
            System.out.println(st1.getName() + " --------------" + st1.getCity() + "------------" + st1.getRoll());
        }
 
        Collections.sort(list, demo.new CarHorsePowerComparator());
        System.out.println("after sort");
        System.out.println("Name:" + "-------------------" + "City...............roll");
        for (Student st1 : list) {
            System.out.println(st1.getName() + " --------------" + st1.getCity() + "------------" + st1.getRoll());
        }
    }
 
    public class Student {
 
        String name;
        String city;
        int roll;
 
        public int getRoll() {
            return roll;
        }
 
        public void setRoll(int roll) {
            this.roll = roll;
        }
 
        public String getCity() {
            return city;
        }
 
        public void setCity(String city) {
            this.city = city;
        }
 
        public String getName() {
            return name;
        }
 
        public void setName(String name) {
            this.name = name;
        }
    }
 
    class CarHorsePowerComparator implements Comparator<Student> {
        public int compare(Student stu, Student stu1) {
            int sort = (stu.getName() + stu.getCity() + stu.getRoll()).compareTo((stu1.getName() + stu1.getCity() + stu1.getRoll()));
            return sort;
        }
    }
}
用户注册

用户登录

发表随想

该用户最新代码

编程随想

[java]代码库

网友评论 (发表评论)

发表评论：

评论须知：

扫码下载

输入口令后可复制整站源码
