Multiple choice questions on Runtime Errors and debugging

📚 Quick Study Guide

• 🐛 A runtime error is an error that occurs during the execution of a program. This is in contrast to compile-time errors, which occur before the program is run.
• ⏱️ Common causes of runtime errors include division by zero, accessing an index out of bounds of an array, null pointer exceptions, and invalid type conversions.
• 🛠️ Debugging is the process of finding and fixing errors in a program. Runtime errors can be particularly difficult to debug because they only occur under certain conditions.
• 💡 Strategies for debugging runtime errors include using debuggers, adding print statements to the code, and carefully reviewing the code for potential errors.
• ⚙️ A debugger is a tool that allows you to step through the code line by line, inspect the values of variables, and see the call stack.
• 📝 Print statements can be used to display the values of variables at various points in the code, which can help you to identify the source of the error.
• 🔍 Defensive programming practices, such as input validation and error handling, can help to prevent runtime errors.

Practice Quiz

1. Question 1: Which of the following is an example of a runtime error?
   1. A. Syntax error
   2. B. Division by zero
   3. C. Compile-time error
   4. D. Logic error
2. Question 2: What is the primary purpose of debugging?
   1. A. To make the code run faster
   2. B. To find and fix errors in the code
   3. C. To make the code more readable
   4. D. To prevent the code from being compiled
3. Question 3: Which tool allows you to step through code line by line?
   1. A. Compiler
   2. B. Debugger
   3. C. Text editor
   4. D. Interpreter
4. Question 4: What is a common strategy for debugging runtime errors?
   1. A. Deleting the code
   2. B. Adding print statements
   3. C. Ignoring the error
   4. D. Compiling the code repeatedly
5. Question 5: Accessing an array element with an index that is out of bounds will cause which type of error?
   1. A. Syntax error
   2. B. Compile-time error
   3. C. Runtime error
   4. D. Logic error
6. Question 6: What is input validation used for?
   1. A. To make the program run faster
   2. B. To prevent runtime errors
   3. C. To improve code readability
   4. D. To create new variables
7. Question 7: A null pointer exception is an example of what kind of error?
   1. A. Syntax error
   2. B. Logic error
   3. C. Compile-time error
   4. D. Runtime error