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Categories / Java Tutorial / Collections

 

Contains() and containsValue()

public  boolean contains(Object value) public boolean containsValue(Object value) import java.util.Hashtable; public class MainClass {   public static void main(String[] s) {     Hashtable table = new Hashtable();     table.put("key1", "value1");     table.put("key2", "value2");     table.put("key3", "value3");     System.out.println(table.contains("value3"));   } } true