import java.util.*;
public class HashTableTest
{
public static void main(String args[])
{
Hashtable h=new Hashtable();
h.put(new MyKey("zhangsan",18),new Integer(1));
h.put(new MyKey("lisi",15),new Integer(2));
h.put(new MyKey("wangwu",20),new Integer(3));
Enumeration e=h.keys();
while(e.hasMoreElements())
{
MyKey key=(MyKey)e.nextElement();
System.out.print(key.toString()+"=");
System.out.println(h.get(key).toString());
}
}
}
//小弟刚自学java 不知道那里出错 应该输出MyKey里存储的数据。。
public class HashTableTest
{
public static void main(String args[])
{
Hashtable h=new Hashtable();
h.put(new MyKey("zhangsan",18),new Integer(1));
h.put(new MyKey("lisi",15),new Integer(2));
h.put(new MyKey("wangwu",20),new Integer(3));
Enumeration e=h.keys();
while(e.hasMoreElements())
{
MyKey key=(MyKey)e.nextElement();
System.out.print(key.toString()+"=");
System.out.println(h.get(key).toString());
}
}
}
//小弟刚自学java 不知道那里出错 应该输出MyKey里存储的数据。。
MyKey@42e816=3
MyKey@addbf1=2
Hashtable<MyKey, Integer> h = new Hashtable<MyKey, Integer>();
h.put(new MyKey("zhangsan", 18), new Integer(1));
h.put(new MyKey("lisi", 15), new Integer(2));
h.put(new MyKey("wangwu", 20), new Integer(3));
Enumeration<MyKey> e = h.keys();
while (e.hasMoreElements()) {
MyKey key = e.nextElement();
System.out.print(key.toString() + "=");
System.out.println(h.get(key).toString());
} }
}class MyKey { private String name;
private int age; public MyKey(String name, int age) {
this.name = name;
this.age = age;
} @Override
public String toString() {
return "name:" + name + "\t age:" + age;//这里按你的需要来写
}
}
public class HashTableTest
{
public static <MyKey> void main(String args[])
{
Hashtable h=new Hashtable();
h.put(new MyKey(),new Integer(1));
h.put(new MyKey(),new Integer(2));
h.put(new MyKey(),new Integer(3));
Enumeration e=h.keys();
while(e.hasMoreElements())
{
MyKey key=(MyKey)e.nextElement();
System.out.print(key.toString()+"=");
System.out.println(h.get(key).toString());
} }
}
结果为:
MyKey@757aef=2
MyKey@35ce36=1
MyKey@d9f9c3=3