Object-Oriented Programming (OOP) Quiz
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Questions and Answers

What will be printed when the following code is executed? out.println("hello Wold");

  • helo Wold
  • No output
  • hello World
  • hello Wold (correct)

What is the purpose of the following code snippet? public 5

  • Invoke a method named 5
  • This code will cause a compilation error (correct)
  • Define a method named 5
  • Create a variable with value 5

What is the significance of the following code? 

  • It is a valid Java syntax for a conditional statement
  • It is a valid Java syntax for declaring a class
  • It represents a mathematical operation
  • It is an invalid Java syntax for a conditional statement (correct)

What will be the output of the following code? 

<p>The output cannot be determined without additional context (B)</p> Signup and view all the answers

What type of error is likely to occur in the following code:  public 

<p>Syntax error due to incorrect use of keywords (C)</p> Signup and view all the answers

Which of the following best describes the 'Write once run anywhere' feature of Java?

<p>Java apps can run on any system without modifications (B)</p> Signup and view all the answers

What is a variable in Java?

<p>A name associated with a value that can be changed (C)</p> Signup and view all the answers

What is a rule for naming a variable in Java?

<p>Variable names cannot contain white spaces or special characters (A)</p> Signup and view all the answers

What is the purpose of 'continue' and 'break' statements in Java?

<p>To skip the current iteration and start the next iteration of a loop (D)</p> Signup and view all the answers

Why is learning Java important?

<p>Java has 'Write once run anywhere' feature and is widely used (B)</p> Signup and view all the answers

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