import java.util.*; public class Move { private Velocity velocity; private Pair<Double> value; public Move(Velocity velocity) { this.velocity = velocity; } public void moveX(double x) { this.value = new Pair<>(x, this.value.getSecond()); velocity.updateMove(value); } public void moveY(double y) { this.value = new Pair<>(this.value.getFirst(), y); } public Pair<Double> getValue() { return value; } }