Java集合排序

package com.lding.sort;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

public class StringSort {
    public static void main(String[] args){
        //
        List<String> lost=new ArrayList<String>();
        list.add("orange");
        list.add("blue");
        list.add("yellow");
        list.add("gray");
        System.out.println("排序前：");
        for(String s:list){
            System.out.print(S+"  ");
}
        System.out.println();
        Collections.sort(list);
        System.out.println("排序后：");
        for(String s:list){
            System.out.print(s+"  ");
}
}
}

List<String> list=new ArrayList<String>();

Collections.sort(list);