Java技术

第一种方法： Student: package com.test2; public class Student implements Comparable<Student> { public String name; public int score; public Student(String name, int score) { super(); this.na...

package com.day14string; import java.util.Random; public class Test2 { public String getCheckCode() { String ZiMu = "qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGJKLZXCVBNM1234567890"; String resul...

package com.day14string; import java.util.Random; import java.util.Scanner; public class Test2 { public static String getCheckCode() { Random random = new Random(); Scanner scanner = new Scanne...