methoverrridetest.java

Java就业的培训教程书籍

class ParentClass{
	int x;
	protected void setValue(){
		x = 10;
	}
	public void changeValue(){
		x = x+2;
	}
	public void print(){
		System.out.println("x = "+x);
	}
}
class SubClass extends ParentClass{
	int x;
	public void setValue(){
		x = 20;
	}
	public void changeValue(){
		x = x + 10;
	}
}
public class MethOverrrideTest{
	public static void main(String args[])
	{
		ParentClass pObj1 = new ParentClass();
		ParentClass pObj2 = new SubClass();
		pObj1.setValue();
		pObj1.print();
		pObj2.setValue();
		pObj2.print();
	}
}