import java.util.*;
import java.lang.*;
import java.io.*;
class KeySearch {
public static void main
(String a
[]){ Hashtable
<String, String
> hm
= new Hashtable
<String, String
>(); hm.put("first", "FIRST INSERTED");
hm.put("second", "SECOND INSERTED");
hm.put("third","THIRD INSERTED");
if(hm.containsKey("first")){
System.
out.
println("The Hashtable contains key first"); } else {
System.
out.
println("The Hashtable does not contains key first"); }
if(hm.containsKey("fifth")){
System.
out.
println("The Hashtable contains key fifth"); } else {
System.
out.
println("The Hashtable does not contains key fifth"); }
}
}
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