public class Test {

    private int points;
    public Test(int points) {
    this.points = points;

public void setPoints(int points) {
        if((points>= 0) && (points<= 9))
    || (points> 0) && (points<= 45)) {
        this.points= points;
        }

public class 1 extends Test {
public 1 (int points) {
    super(points);
}
}

public class 2 extends Test {
public 2 (int points) {
    super(points);
}