package com.zhoujl.test;
/**
* @author zhoujl
* 2011/12/28 10:11:04
*/
public class People implements Comparable {
private int age;
private String name;
public People(int age,String name) {
this.age = age;
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
/*
* 在这里写比较的逻辑return 1就是大于 return 0就是小于
*/
@Override
public int compareTo(Object people) {
if(this.age>((People)people).age) {
return 1;
}else {
return 0;
}
}
@Override
public String toString() {
return "Name:" +name+"\n"+"Age:"+age+"\n";
}
}
package com.zhoujl.test;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* @author zhoujl
* 2011/12/28 10:10:47
*/
public class TestSort {
@SuppressWarnings("unchecked")
public static void main(String[] args) {
List<People> list = new ArrayList<People>();
People people1 = new People(12,"zhou");
People people2 = new People(18,"zho");
People people3 = new People(12,"zh");
People people4 = new People(21,"z");
list.add(people1);
list.add(people2);
list.add(people3);
list.add(people4);
for(People people:list) {
System.out.println(people);
}
Collections.sort(list);
System.out.println("--------------------------");
for(People people:list) {
System.out.println(people);
}
}
}
Collections.sort(list, new Comparator<TerminalPerformanceObj>(){
public int compare(TerminalPerformanceObj u1, TerminalPerformanceObj u2){
String p1 = u1.getMtSuccPercent();;
String p2 = u2.getMtSuccPercent();
if(p1.equals(p2)) return 0;
DecimalFormat formatter = (DecimalFormat) NumberFormat.getPercentInstance();
Number d1 = null;
try {
d1 = formatter.parse(p1);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Number d2 = null;
try {
d2 = formatter.parse(p2);
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(d1.floatValue() > d2.floatValue()) return 1;
return -1;
}
});