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Marrrta [24]
3 years ago
9

Write a subclass named 'ReadWrite' with the following additional behavior: Any necessary constructors. a method named 'setVal' t

hat 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.
Computers and Technology
1 answer:
nataly862011 [7]3 years ago
6 0

Answer:

Java Class given below

Explanation:

class ReadOnly

{

protected int val;

public ReadOnly(int arg)

{

val = arg;

}

public int getVal()

{

return val;

}

}

class ReadWrite extends ReadOnly

{

private boolean dirty;

public ReadWrite(int arg)

{

super(arg);

dirty = false;

}

public void setVal(int arg)

{

val = arg;

dirty = true;

}

public boolean isDirty()

{

return dirty;

}

}

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