class ParentClass {
public int i = 10;
}
public class SubClass extends ParentClass {
public int i = 30;
public static void main(String[] args) {
ParentClass parentClass = new SubClass();
SubClass subClass = new SubClass();
System.out.println(parentClass.i );
System.out.println(subClass.i);
}
}
运行结果:10
30