学生类
public class Student { private String name; private String sex; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; }
测试类
public class Test01 { public static void main(String[] args) { Map<String, Student> studentMap = new HashMap<String, Student>(); Student stu1 = new Student(); stu1.setName("李明"); stu1.setSex("男"); Student stu2 = new Student(); stu2.setName("张三"); stu2.setSex("男"); Student stu3 = new Student(); stu3.setName("王梅"); stu3.setSex("女"); studentMap.put("Jack", stu1); studentMap.put("Tom", stu2); studentMap.put("Rose", stu3); Student person = studentMap.get("Jack"); System.out.println("Jack对应的学员姓名是:" + person.getName() + ":性别是:" + person.getSex()); } }
Console
Jack对应的学员姓名是:李明:性别是:男