String demos[]={"hello","chenhj","test","中国"} 对数组的字符按照数据字典排序

import java.util.Arrays;

import java.util.Collections;

import java.util.List;
public class StringSort {

public static void main(String[] args) {

String demos[]={"hello","chenhj","test","中国"};

Arrays.sort(demos, new StringComparator());

for(String str:demos){

System.out.println(str);

}

/*Arrays.sort(demos);

for(String str:demos){

System.out.println(str);

}*/

Collections.sort(Arrays.asList(demos));

for(int i=0;i<demos.length;i++){

System.out.println(demos[i]);

}

}

}

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import java.util.Arrays;

import java.util.Comparator;

import java.util.List;

public class StringComparator implements Comparator<String>{

public static void main(String[] args) {

}

@Override

public int compare(String o1, String o2) {

// TODO Auto-generated method stub

return o1.compareTo(o2);

}

}