package Composition;
public class WaterSource {
private String s;
WaterSource() {
System.out.println("WaterSource()");
s = "Constructed";
}
public String toString() { return s; }
public String a() {
ab.main(null);
return "";
}
}
class ab{
ab(){
}
public void s() {
System.out.println("S");
}
public static void main(String[] args) {
System.out.println("av");
}
}