Java Vector.retainAll(Collection <?> c)
Syntax
Vector.retainAll(Collection <?> c) has the following syntax.
public boolean retainAll(Collection <?> c)
Example
In the following code shows how to use Vector.retainAll(Collection <?> c) method.
/* w w w .j a va 2 s .c o m*/
import java.util.Vector;
public class Main {
public static void main(String[] args) {
Vector<Integer> vec = new Vector<Integer>(4);
Vector<Integer> vecretain = new Vector<Integer>(4);
vec.add(1);
vec.add(2);
vec.add(3);
vec.add(4);
vec.add(5);
vec.add(6);
vec.add(7);
// this elements will be retained
vecretain.add(5);
vecretain.add(3);
vecretain.add(2);
vec.retainAll(vecretain);
for (Integer number : vec) {
System.out.println("Number = " + number);
}
}
}
The code above generates the following result.
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