Finding all the positions for a single element : Vector « Collections « Java Tutorial

1. Java Tutorial
2. Collections
3. Vector

import java.util.Vector;

public class MainClass {

  public static void main(String args[]) {
    String members[] = { "A", "I", "C", "D", "E", "F", "G", "H", "I", "J" };
    Object value = "I";
    Vector v = new Vector();
    for (int i = 0, n = members.length; i < n; i++) {
      v.add(members[i]);
    }
    int index = 0;
    int length = v.size();
    while ((index < length) && (index >= 0)) {
      index = v.indexOf(value, index);
      if (index != -1) {
        System.out.println(index);
        index++;
      }
    }
  }
}

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