package cn.it.text; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; /* * 5.list集合添加姓名{张三,李四,王五,二丫,钱六,孙七},将二丫替换为王小丫, * 写入到"D:\\stuinfo.txt" */ public class Test5 { public static ArrayList<String> list = ne
#include <stdio.h> #define sum 3+4//宏定义是原封不动的使用used for test4 #include <time.h>//used for test8~9 #include <stdlib.h>//used for test8~9 void test(){//数组输出 //int a[5]={1,2,3,4,5}; printf("array output,look,please...\n"); int a[1
第一种:foreach语句遍历输出 //通过foreach语句遍历输出数组 int nums[] = new int [4]; for (int num:nums) { System.out.print(num); } 这种方法等同于用for循环的输出方式,当然明显更简洁. 第二种: 通过for循环输出数组 //通过for循环输出数组 for (int i = 0; i < nums.length; i++) { System.out.print(nums[i]); } 相比foreach遍历输
package cys; public class Example9_2 { public static void main(String[] args) { // TODO Auto-generated method stub People personal1,personal2; StringBuffer str=new StringBuffer(); personal1 = new People("李四",str); personal2 = new People("王五
方式1:遍历输出 public class Main { public static void main(String[] args) { int[] ns = { 1, 4, 9, 16, 25 }; for (int i=0; i<ns.length; i++) { int n = ns[i]; System.out.println(n); } } } 方式2:for each循环 public class Main { public static void main(String[] ar
using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace ConsoleApplication6 { class Program { static void Main(string[] args) { Console.Write("请输入动态数组的行数:"); int row = Convert.ToInt32(Console.ReadLine());
