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SCJP Module-3 Question-4

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The example given below tests your understanding of static key word in Java and it is helpful for SCJP examination.

Given below the sample code :

class SuperClass {
SuperClass() {
}

static class SubClass {
SubClass() { }

}

}

Which is the correct way to declare the object of "Subclass" , which can be use outside the "Superclass" ?

1. SubClass Sub = new SuperClass().new SubClass();

2. SubClass Sub = new SuperClass.SubClass();

3. SuperClass.SubClass Sub = new SuperClass.SubClass();

Answer :

(3)

Explanation :

Because the inner class "Subclass" is declared 'static' that's why it is declared like this.

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