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);
}
}