why don't you need setter inheritance java code example

Example 1: inheritance setter and getter in java

public class C2 extends C1{
}

Example 2: inheritance setter and getter in java

public class C1 {
    protected int x = 1;

    public int getX() {
        return x;
    }

    public void setX(int x) {
        this.x = x;
    }

    public static void main(String[] args){
        System.out.println(new C1().getX());
        System.out.println(new C2().getX());
        System.out.println(new C3().getX());
        System.out.println(new C4().getX());
    }

}