SCJP Module-3 Question-3


 

SCJP Module-3 Question-3

The given sample program test your knowledge of Inner and Outer class in Java and their access restrictions.

The given sample program test your knowledge of Inner and Outer class in Java and their access restrictions.

Given a sample code:

class OuterClass {
private int x = 2;

OuterClass() {
outerMethod();
}

public static class InnerClass {
private int x = 1;

public void innerMethod() {
System.out.println("inner x is " + x);
}
}

public void outerMethod() {
System.out.println("outer x is " + x);
}
}

public class Test {
public static void main(String args[]) {
OuterClass o = new OuterClass();
o.outerMethod();
OuterClass.InnerClass i = new OuterClass.InnerClass();
i.innerMethod();
}
}

What will be the result of above code ?

(1)   outer x is 2
        outer x is 2
        inner x is 1

(2)    outer x is 1
         inner x is 2
         inner x is 2

(3)    inner x is 2
        outer x is 2
         inner x is 1

(4)    inner x is 2
        outer x is 2
        outer x is 1

Answer:

(1)

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