用Java显示HashMap的内容
让我们首先创建一个HashMap并添加元素-
HashMap hm = new HashMap();
hm.put("Wallet", new Integer(700));
hm.put("Belt", new Integer(600));要显示内容，只需打印HashMap对象-
System.out.println("Map = "+hm);以下是显示HashMap内容的示例-
示例
import java.util.*;
public class Demo {
public static void main(String args[]) {
//创建哈希映射
HashMap hm = new HashMap();
hm.put("Wallet", new Integer(700));
hm.put("Belt", new Integer(600));
System.out.println("Map = "+hm);
}
}输出结果
Map = {Belt=600, Wallet=700}