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import java.util.*; class TestCollection6{ public static void main(String args[]){ ArrayList
al=new ArrayList
(); al.add("Ravi"); al.add("Vijay"); al.add("Ajay"); ArrayList
al2=new ArrayList
(); al2.add("Ravi"); al2.add("Hanumat"); al.retainAll(al2); System.out.println("iterating the elements after retaining the elements of al2..."); Iterator itr=al.iterator(); while(itr.hasNext()){ System.out.println(itr.next()); } } }
Output