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这个题目有两种解法,第一种利用反射来解决: //ArrayList<Integer> list = new ArrayList<Integer>(); //在这个泛型为Integer的ArrayList中存放一个String类型的对象. public class Demo7 { public static void main(String[] args) { ArrayList<Integer> list = new ArrayList<Integer>()
Cannot add a project to a tomcat server in eclipse You didn't create your project as "Dynamic Web Project", so Eclipse doesn't recognize it like web project. Create new "Dynamic Web Project" or go to Properties -> Projects Facets an
Print类: package com.bao; public class Print { int g,s,b; void outPut() { for(int i=100;i<1000;i++) {g=i%10; s=i/10%10; b=i/100; if(ggg+sss+bbb==i) {System.out.println(i);} } } } 主类E: package com.bao; public class E { public static void main(String[]