when do you need setters and getters inheritance java code example

Example 1: inheritance setter and getter in java

C1.x = 1
C2.x = 1
C3.x = 1
C4.x = 4

Example 2: inheritance setter and getter in java

public class B extends A {
    @Override
    public final int getA() {
        return super.getA();
    }
    @Override
    public final void setA(int value) {
        super.setA(value);
    }
}