AP Computer Science a Flashcards: Documentation With Comments

What this deck covers

This deck focuses on Documentation With Comments, giving you a quick way to review the definitions, rules, and examples that matter most for AP Computer Science a.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Flashcard 1: Which comment type is ignored by the Java compiler?

Answer: All comment types. Compiler ignores all comment content.

Flashcard 2: What is the recommended use of comments in simple code?

Answer: Minimal use to avoid clutter. Simple code is often self-explanatory.

Flashcard 3: Identify the symbols used to start a Javadoc comment.

Answer: /**. Three characters start documentation comments.

Flashcard 4: Find and correct the comment error: // Missing end.

Answer: No correction needed; single-line comment. Single-line comments don't need closing delimiter.

Flashcard 5: What is the primary purpose of comments in Java code?

Answer: To enhance code readability and explain logic. Comments make code easier to understand for developers.

Flashcard 6: Which comment type is used to block out code sections?

Answer: Multi-line comments. Multi-line comments disable code sections.

Flashcard 7: Which character sequence is used to start a Javadoc comment?

Answer: /**. Three characters including asterisk start Javadoc.

Flashcard 8: Which Javadoc annotation is used to describe exceptions thrown by a method?

Answer: @throws or @exception. Documents possible exceptions the method throws.

Flashcard 9: What is the effect of not using comments in code?

Answer: Reduced code readability and maintainability. Code becomes harder to understand and modify.

Flashcard 10: Find and correct: "// This is a multi-line comment."

Answer: Use /* ... */ instead. Multi-line syntax handles line breaks properly.

Flashcard 11: Identify the symbols used to start a Javadoc comment.

Answer: /**. Three characters start documentation comments.

Flashcard 12: Which type of comment is suitable for method-level explanations?

Answer: Javadoc comments. Javadoc provides formal method documentation.

Flashcard 13: Which comment type is typically used to explain complex logic?

Answer: Multi-line comments. Block comments handle detailed explanations.

Flashcard 14: Identify the Javadoc annotation used to link to related topics.

Answer: @see. Creates cross-references in documentation.

Flashcard 15: What is the role of the @deprecated annotation in Javadoc?

Answer: Indicates a deprecated method or class. Warns that feature should not be used.

Flashcard 16: Find and correct the comment error: /* Incorrect comment.

Answer: Close with /: / Incorrect comment */. Multi-line comments need closing delimiter.

Flashcard 17: Identify the comment type used to temporarily disable code.

Answer: Single-line or multi-line comments. Both types can comment out code sections.

Flashcard 18: Find and correct the comment error: // Missing end.

Answer: No correction needed; single-line comment. Single-line comments don't need closing delimiter.

Flashcard 19: What is the result of incorrect Javadoc syntax?

Answer: Errors in generated documentation. Invalid Javadoc produces malformed documentation.

Flashcard 20: Identify the effect of outdated comments in code.

Answer: Can mislead developers. Outdated comments provide incorrect information.

Flashcard 21: Which comment type is preferred for inline explanations?

Answer: Single-line comments. Single-line comments work well inline.

Flashcard 22: Which Javadoc tag is used to document the author of a class?

Answer: @author. Documents who created the class.

Flashcard 23: Which comment type is ignored by the Java compiler?

Answer: All comment types. Compiler ignores all comment content.

Flashcard 24: What is the consequence of omitting comments in complex code?

Answer: Difficulty in understanding and maintaining. Complex code needs explanation for clarity.

Flashcard 25: What symbols are used to start and end a multi-line comment in Java?

Answer: /* to start and */ to end. Multi-line comments span across multiple lines.

Flashcard 26: Identify the structure of a single-line comment.

Answer: Begins with // and extends to the line end. Single-line comments end at line break.

Flashcard 27: What is the purpose of the @since tag in Javadoc?

Answer: Indicates the version since a feature was added. Documents when feature was first introduced.

Flashcard 28: What is the consequence of omitting comments in complex code?

Answer: Difficulty in understanding and maintaining. Complex code needs explanation for clarity.

Flashcard 29: Identify the Javadoc annotation used to link to related topics.

Answer: @see. Creates cross-references in documentation.

Flashcard 30: What Javadoc annotation is used to describe the return value of a method?

Answer: @return. Documents what the method returns.

Flashcard 31: Which comment type is preferred for inline explanations?

Answer: Single-line comments. Single-line comments work well inline.

Flashcard 32: Which type of comment is suitable for method-level explanations?

Answer: Javadoc comments. Javadoc provides formal method documentation.

Flashcard 33: Which type of comment is typically used for brief explanations in Java?

Answer: Single-line comment (//). Double slash is quick for short explanations.

Flashcard 34: What does the @version tag in Javadoc represent?

Answer: Version information of a class or method. Tracks version number of the code.

Flashcard 35: Which type of comment is used for detailed documentation in Java?

Answer: Multi-line comment (/* ... */). Block comments handle longer descriptions effectively.

Flashcard 36: What is the role of the @deprecated annotation in Javadoc?

Answer: Indicates a deprecated method or class. Warns that feature should not be used.

Flashcard 37: What is the purpose of the @since tag in Javadoc?

Answer: Indicates the version since a feature was added. Documents when feature was first introduced.

Flashcard 38: What Javadoc annotation is used to describe the return value of a method?

Answer: @return. Documents what the method returns.

Flashcard 39: What symbols are used to start and end a multi-line comment in Java?

Answer: /* to start and */ to end. Multi-line comments span across multiple lines.

Flashcard 40: Identify the comment type used to temporarily disable code.

Answer: Single-line or multi-line comments. Both types can comment out code sections.

Flashcard 41: What annotation is used in Javadoc to describe a method parameter?

Answer: @param. Documents method parameters with descriptions.

Flashcard 42: Which comment type should be used for writing method descriptions?

Answer: Javadoc comments. Javadoc provides formal method documentation.

Flashcard 43: Which Javadoc annotation is used to describe exceptions thrown by a method?

Answer: @throws or @exception. Documents possible exceptions the method throws.

Flashcard 44: What is the impact of excessive comments in code?

Answer: Can clutter code and reduce readability. Too many comments distract from code logic.

Flashcard 45: Identify the symbol used for single-line comments in Java.

Answer: //. Double forward slash creates single-line comments.

Flashcard 46: Find and correct: "// This is a multi-line comment."

Answer: Use /* ... */ instead. Multi-line syntax handles line breaks properly.

Flashcard 47: Identify the comment type that supports tags like @param and @return.

Answer: Javadoc comments. Javadoc supports special documentation tags.

Flashcard 48: What is the impact of excessive comments in code?

Answer: Can clutter code and reduce readability. Too many comments distract from code logic.

Flashcard 49: Which type of comment is used for detailed documentation in Java?

Answer: Multi-line comment (/* ... */). Block comments handle longer descriptions effectively.

Flashcard 50: Which Javadoc tag is used to document the author of a class?

Answer: @author. Documents who created the class.

Flashcard 51: Find and correct the comment error: /* Incorrect comment.

Answer: Close with /: / Incorrect comment */. Multi-line comments need closing delimiter.

Flashcard 52: What is the result of incorrect Javadoc syntax?

Answer: Errors in generated documentation. Invalid Javadoc produces malformed documentation.

Flashcard 53: What is the primary purpose of comments in Java code?

Answer: To enhance code readability and explain logic. Comments make code easier to understand for developers.

Flashcard 54: Identify the effect of outdated comments in code.

Answer: Can mislead developers. Outdated comments provide incorrect information.

Flashcard 55: Identify the main difference between // and /* comments.

Answer: // is single-line, /* is multi-line. Single-line extends to end, multi-line spans blocks.

Flashcard 56: Identify the recommended practice for writing comments.

Answer: Clear, concise, and relevant. Good comments are helpful without being verbose.

Flashcard 57: What is the primary use of Javadoc comments?

Answer: To generate documentation for Java classes. Javadoc creates HTML documentation automatically.

Flashcard 58: What annotation is used in Javadoc to describe a method parameter?

Answer: @param. Documents method parameters with descriptions.

Flashcard 59: Which comment type is visible in generated Javadoc HTML files?

Answer: Javadoc comments. Only Javadoc appears in generated documentation.

Flashcard 60: Identify the use of @author in Javadoc.

Answer: Indicates the author of a class or method. Documents who wrote the code.

Flashcard 61: Which character sequence is used to start a Javadoc comment?

Answer: /**. Three characters including asterisk start Javadoc.

Flashcard 62: Which type of comment is typically used for brief explanations in Java?

Answer: Single-line comment (//). Double slash is quick for short explanations.

Flashcard 63: What does the @version tag in Javadoc represent?

Answer: Version information of a class or method. Tracks version number of the code.

Flashcard 64: Identify the structure of a single-line comment.

Answer: Begins with // and extends to the line end. Single-line comments end at line break.

Flashcard 65: What is the recommended use of comments in simple code?

Answer: Minimal use to avoid clutter. Simple code is often self-explanatory.

Flashcard 66: Identify the main difference between // and /* comments.

Answer: // is single-line, /* is multi-line. Single-line extends to end, multi-line spans blocks.

Flashcard 67: Which comment type is typically used to explain complex logic?

Answer: Multi-line comments. Block comments handle detailed explanations.

Flashcard 68: Which comment type should be used for writing method descriptions?

Answer: Javadoc comments. Javadoc provides formal method documentation.

Flashcard 69: What is the effect of not using comments in code?

Answer: Reduced code readability and maintainability. Code becomes harder to understand and modify.

Flashcard 70: Which comment type is visible in generated Javadoc HTML files?

Answer: Javadoc comments. Only Javadoc appears in generated documentation.

Flashcard 71: Which comment type is used to block out code sections?

Answer: Multi-line comments. Multi-line comments disable code sections.

Flashcard 72: Identify the symbol used for single-line comments in Java.

Answer: //. Double forward slash creates single-line comments.

Flashcard 73: What is the primary use of Javadoc comments?

Answer: To generate documentation for Java classes. Javadoc creates HTML documentation automatically.

Flashcard 74: Identify the recommended practice for writing comments.

Answer: Clear, concise, and relevant. Good comments are helpful without being verbose.

Flashcard 75: Identify the comment type that supports tags like @param and @return.

Answer: Javadoc comments. Javadoc supports special documentation tags.

Flashcard 76: Identify the use of @author in Javadoc.

Answer: Indicates the author of a class or method. Documents who wrote the code.