java inheritance keyword super()
- by gucciv12
requirement:
Given the class 'ReadOnly' with the following behavior:
A (protected) integer instance variable named 'val'.
A constructor that accepts an integer and assigns the value of the
parameter to the instance variable 'val'.
A method name 'getVal' that returns the value of 'val'.
Write a subclass named 'ReadWrite' with the following additional behavior:
Any necessary constructors.
a method named 'setVal' that accepts an integer parameter and assigns
it the the 'val' instance variable.
a method 'isDirty' that returns true if the setVal method was used to
override the value of the 'val' variable.
Code
class ReadWrite extends ReadOnly {
super(int val);
void setVal(int val){this.val = val;}
boolean isDirty() {if (setVal()(return true)) else return false;}}
More Hints:
? You should be using: modified
? You should be using: private
? You should be using: public
