Solution:Step 1: Understand static variable hiding in inheritanceClass B declares its own static variable x, hiding A's x.Step 2: Check output of each class's static variableA.x is 5, B.x is 10, so printing them outputs 5 and 10 respectively.Final Answer:5 and 10 -> Option DQuick Check:Static varia

[Solved] Consider this code:class A { static int x = 5; } class B extends A { static int x = 10; } public class Test { public static void main(String[] args) { System.out.println(A.x); System.out.println(B.... | Java

Java - Static Keyword

Consider this code:

class A {
  static int x = 5;
}
class B extends A {
  static int x = 10;
}
public class Test {
  public static void main(String[] args) {
    System.out.println(A.x);
    System.out.println(B.x);
  }
}

What will be the output?

ACompilation error due to static variable hiding

B10 and 10

C5 and 5

D5 and 10

Step-by-Step Solution

Solution:

Step 1: Understand static variable hiding in inheritance
Class B declares its own static variable x, hiding A's x.
Step 2: Check output of each class's static variable
A.x is 5, B.x is 10, so printing them outputs 5 and 10 respectively.
Final Answer:
5 and 10 -> Option D
Quick Check:
Static variable hiding outputs distinct values = D [OK]

Quick Trick: Static variables in subclass hide superclass variables [OK]

Common Mistakes:

Assuming subclass static variable overrides superclass's
Expecting compilation error due to hiding
Thinking both print same value

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More Java Quizzes

Consider this code:

Step 1: Understand static variable hiding in inheritance

Step 2: Check output of each class's static variable

Final Answer:

Quick Check:

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