how to get all the elements in Hashtable java
// Using hashtable.keySet()
package com.java2novice.hashtable;
import java.util.Hashtable;
import java.util.Set;
public class MyHashtableKeys {
public static void main(String a[]){
Hashtable<String, String> hm = new Hashtable<String, String>();
//add key-value pair to Hashtable
hm.put("first", "FIRST INSERTED");
hm.put("second", "SECOND INSERTED");
hm.put("third","THIRD INSERTED");
System.out.println(hm);
Set<String> keys = hm.keySet();
for(String key: keys){
System.out.println(key);
}
}
}