import java.util.Vector;
public class Driver {
private StringContainer b = null;
public static void main(String[] args){
Driver d = new Driver();
d.run();
}
public void run() {
b = new StringContainer();
b.add("One");
b.add("Two");
b.remove("One");
}
}
class StringContainer {
private Vector v = null;
public void add(String s) {
init();
v.add(s);
}
public boolean remove(String s) {
init();
return v.remove(s);
}
private void init() {
if (v == null)
v = new Vector();
}
}
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