/* @(#)Foo.java 1.0  6 April 2003 */

/** Sample class with one integer data and one function */
public class Foo{
    
    /** just one integer */
    public int x;
    
    /**  a real constructor */
    public Foo(int someX){
        x = someX;
    }
    
    /** compute a square */
    public int apply(){
        return x * x;
    }
    
    /** our standard toString() method */
    public String toString(){
        return("new " + this.getClass().getName() + "(" +
               this.x +")");
    }
}