Java tutorial
import java.util.Collections; import java.util.List; import java.util.Vector; public class Main { public static void main(String[] args) { // create vector List<String> vector = new Vector<String>(); // populate the vector vector.add("R"); vector.add("B"); vector.add("R"); vector.add("java2s.com"); System.out.println("Initial values are :" + vector); Collections.replaceAll(vector, "R", "java2s.com"); System.out.println("Value after replace :" + vector); } }