Java Hashtable.contains(Object value)

public boolean contains(Object value)

/*from  w  w  w .j  a v  a  2 s .c o m*/

import java.util.Hashtable;

public class Main {
   public static void main(String args[]) {
      Hashtable<Integer, String> htable = new Hashtable<Integer, String>();

      // put values into the table
      htable.put(1, "A");
      htable.put(2, "B");
      htable.put(3, "C");
      htable.put(4, "from java2s.com");

      
      // check if table contains "C"
      boolean isavailable=htable.contains("C");

      // display search result
      System.out.println("Hash table contains 'C': "+isavailable);      
   }    
}