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Categories / Java Tutorial / Collections

 

Checking for Collection Containment

public  boolean containsAll(Collection c) This method takes a Collection as its argument, (not necessarily) a Vector, and reports if the elements of the collection are a subset of the vector's elements. import java.util.Vector; public class MainClass {   public static void main(String args[]) {     Vector v = new Vector();     v.add("A");     v.add("B");     Vector v2 = new Vector();     v2.add("A");     v2.add("B");     v2.add("C");     boolean isContaining = v2.containsAll(v);     System.out.println(isContaining);   } } true