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Java | Class and Object | Question 4

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  • Difficulty Level : Medium
  • Last Updated : 28 Jun, 2021

Predict the output of following Java program.




class demoClass
{
    int a = 1;
  
    void func()
    {
        demo obj = new demo();
        obj.display();
    }
  
  
    class demo
    {
        int b = 2;
  
        void display()
        {
            System.out.println("\na = " + a);
        }
    }
  
    void get()
    {
        System.out.println("\nb = " + b);
    }
}
  
  
class Test
{
    public static void main(String[] args)
    {
        demoClass obj = new demoClass();
        obj.func();
        obj.get();
  
    }
}

(A)

a = 1
b = 2

(B) Compilation error

(C)

b = 2
a = 1


Answer: (B)

Explanation:
Members of inner class ‘demo’ can not be used in the outer class ‘Test’. Thus, get() of outer class can not access variable ‘b’ of inner class.

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