java map 遍历

?
?
package com.xiawenquan.map.demo;public class Student {private String name;private String address;private int id;public Student(String name, String address, int id) {this.name = name;this.address = address;this.id = id;}public Student() {// TODO Auto-generated constructor stub}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}public int getId() {return id;}public void setId(int id) {this.id = id;}}