ICSE Computer Application - Class X - Selection Examination - 2024-25 - MCQ - CALCUTTA PUBLIC SCHOOL - Quiz

Give the output of the following code: 

for (i = 5; i >= 1; i--) { 
    if (i % 2 == 1) 
        continue; 
    System.out.println(i + " ");
}

  • A4 2
  • B 5 3
  • C10
  • D None of these

What type of loop is this: 

for (i = 5; i <= 100; i = i + 5) { 
    System.out.println(i);
}

  • ADelay loop
  • BStep loop
  • CContinuous loop
  • DNull loop

The statement to stop the execution of a construct:

  • ASystem.exit(0)
  • Bbreak
  • Cstop
  • Dend

What does the "this" keyword refer to in Java?

  • A It refers to the current instance of the class
  • BIt is used to declare a constant variable
  • C It represents the return value of a function
  • D It is used to call a static method

In which technique are the values of actual parameters copied to the formal parameters?

  • ACall by reference
  • BCall by value
  • CCall by argument
  • DCall by method

Give the output of the following code:

String[] words = {"Java", "is", "fun"};
System.out.println(words[0].length() + words[2].length());

  • A8
  • B6
  • C5
  • D7

The parseInt() function is a member of:

  • AInteger wrapper class
  • BCharacter wrapper class
  • CBoolean wrapper class
  • DNone of these

Which of these methods of the class String is used to extract a single character from a string object?

  • ACHARAT()
  • Bcharat()
  • CcharAt()
  • DCharAt()

What is the main advantage of using inheritance in object-oriented programming?

  • AReducing code duplication and promoting code reusability.
  • BHiding implementation details.
  • CMaking all members private.
  • DEnabling polymorphism.

You have unsaved changes or are in the middle of a quiz. If you leave, your progress might be lost. Select option for all questions.