class Sample {	double[] in = new double[2];	double out;	double o_out;	double alpha;			Sample(double[] in, double out) {		this.in = in;		this.out = out;		this.alpha = 1.0;		switch ((int) out) {		case 1:			o_out = 1.0;			break;		case 0:			o_out = -1.0;			break;		}	}}