用到的类有: 相应代码: public class Dog { private String name; public Dog(){ } public Dog(String name){ this.name = name; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public String toString() { ret
一.map Python内置函数,用法及说明如下: class map(object): """ map(func, *iterables) --> map object Make an iterator that computes the function using arguments from each of the iterables. Stops when the shortest iterable is exhausted. ""&quo
struts中的取map和list & jsp中取map和list <% List list = new ArrayList(); list.add("a"); list.add("b"); list.add("c"); request.setAttribute("l1",list); Map map = new HashMap() ; map.put("a","a");