ioranger的博客

package edu.cdu.ppj.experiment3; import java.util.Scanner; public class arr_match { public static void main(String[] args) { // TODO Auto-generated method stub String[] str1 = { "张三", "李四", "王二", "Tom", "Jack" }; System.out.println("请输入要查询的名字：").

package edu.cdu.ppj.experiment3; public class arr { public static void main(String[] args) { int[] data = { 12, 23, 456, 222, 768, 93245 }; int sum = 0; double average = 0.0; for (int i = 0; i < data.length; i++) { sum += data[i]; } S

package test2; import java.io.IOException; import java.util.Scanner; public class arr1 { public static void main(String[] args) throws IOException { // TODO Auto-generated method stub // 打印金字塔图案 System.out.println("请输入金字塔层数："); Scanner input =