2024-05-09 01:39:05
java中用arrays sort()方法将abcdefg倒序,可以先试用java的comparable接口先进行比较,然后排序,实例如下:
package test;
import java.util.Arrays;
import java.util.Comparator;
public class Arraysort {
public static void main(String[] args) {
String s = "a,b,c,d,e,f,g";
String[] strArr = s.split(",");
Arrays.sort(strArr, new com());//排序
for(String str : strArr){
System.out.print(str+",");
}
}
}
class com<T> implements Comparator<T> {//对abcdefg进行比较大小,排序
public int compare(T o1, T o2) {
int i = Integer.parseInt(String.valueOf(o1));
int j = Integer.parseInt(String.valueOf(o2));
if (i > j) return 1;
if (i < j) return -1;
return 0;
}
}
2024-05-09 11:43:21
2024-05-09 10:14:09
2024-05-09 04:12:01
2024-05-09 10:32:50