Java Programming
primer-original-v2mediumJava Programming03 Class And Objects, Date Apiprimer-original-v2

Java Programming Practice Question

class Sample{ private double num = 100; private int square(int a){ return a*a; } } public class Test{ public static void main(String args[]){ Sample obj = new Sample(); System.out.println(obj.num); System.out.println(obj.square(10)); } }

Answer options

A
100
B
Compile time error
C
Run time error
D
Executes but no output

Correct answer: Compile time error

Detailed Solution & Conceptual Analysis

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Key Engineering Takeaway

In Java Programming, understanding the underlying mechanics of Java Programming is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.

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