p = new Pair<Object, Object>(new DoubleValue(D_0_1), null);
p1 = null;
assertFalse(p.equals(p1));
p = new Pair<Object, Object>(new DoubleValue(D_0_1), null);
HiddenNeuron n = new HiddenNeuron();
assertFalse(p.equals(n));
p = new Pair<Object, Object>(new DoubleValue(D_0_1), null);
p1 = new Pair<Object, Object>(new DoubleValue(D_0_1), null);
assertEquals(p, p1);