public String toString() {return new StringBuilder().append("(").append(x).append(",").append(y).append(")").toString();}

public String toString ( ) { return new StringBuilder ( ) . append ( "(" ) . append ( x ) . append ( "," ) . append ( y ) . append ( ")" ) . toString ( ) ; }
public override string ToString(){return "Point(" + x + ", " + y + ")";}
