1.代码示例
public class Text {
public static void main(String[] args) {
// TODO Auto-generated method stub
Map<String,String> text = new HashMap<String,String>();
Scanner scanner = new Scanner(System.in);
//添加三组数据
int i =0;
while(i<3){
String key = scanner.next();
String value = scanner.next();
text.put(key, value);
i++;
}
//将输入的结果进行打印,不能含有重复的key值
Iterator<String> it = text.values().iterator();
while(it.hasNext())
{
System.out.println(it.next());
}
//打印输入key和value的值
//通过entrySet方法
Set<Entry<String,String>> Container = text.entrySet();
for(Entry<String,String> entry:Container){
System.out.println(entry.getKey()+" "+entry.getValue());
}
}
}
2.运行结果