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原创 java中只有值传递

原创 JAVA：匿名对象

package 匿名对象;public class AnonymousTest { public static void main(String[] args) { Person p1 = new Person(); p1.name = "wang"; p1.age = 1; p1.showName(); p1.showAge(); //通过对象调用类方法 new Person().name = "wang"; new Person().showName();//nu.

原创 java 回形数组

import java.util.Scanner;public class Arrayexer { //回文数 public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int number = 0; int arr[][] = new int[n][n]; for(int count = n-1,k = 0;coun...