Instructions
- 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
- 2. Thoroughly review each solution before proceeding to ensure full understanding.
- 3. Final results will be available after submission to provide insights into areas for further improvement.
- 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
- 5. Once submitted, responses are final, so ensure you’re confident in your answers.
- 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.
All Problems
Question
Action
Which of the following is a valid variable declaration in Java?
Which data type is used to create a variable that should store text?
What is the default value of an int variable?
What will be the output of the following code? int x = 5; x = x + 10;
Which of these cannot be used for a variable name in Java?
Which keyword is used to define a constant in Java?
Which of the following is not a primitive data type in Java?
What is the size of a float in Java?
What is the correct syntax to declare a char variable in Java?
Which of the following types will result in the least amount of memory used to store a number?