import java.io.*;
import java.util.*;
 
class Test{
    public static void main(String args[]){
        Hashtable table = new Hashtable();
 
        // 辞書追加
        table.put("pen", "ペン");
        table.put("apple", "リンゴ");
        table.put("hand", "手");
        table.put("summer", "夏");
 
        for(Enumeration e = table.elements() ; e.hasMoreElements() ; )
           System.out.println(e.nextElement());
    }
}
 
 

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