mingqiang

摘要： import java.util.Random; //导入的随机函数类 public class RandomTest { public static void main(String[] args) { Random random = new Random(); //随机函数Random int[ 阅读全文

摘要： public class BinarySearch { public static int binarySearch(int[] arr, int num) { int start = 0; //起始下标 int end = arr.length - 1; //数组末下标 while(start < 阅读全文

摘要： class MyException extends Exception { //自定义异常继承Exception类 public MyException(String msg) { //调用父类构造方法传递“异常信息” super(msg); }} public class ExceptionTes 阅读全文