Java Beans and JDBC MCQs Questions

1

What is a JavaBean in Java?

A) A reusable software component that follows specific conventions B) A type of coffee bean C) A Java class used for file I/O D) A Java keyword

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Answer & Solution

Answer: Option A

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2

Which file extension is commonly used for JavaBean files?

A) `.bean` B) `.jar` C) `.class` D) `.java`

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Answer & Solution

Answer: Option D

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3

In JavaBeans, what is the purpose of the getter method?

A) To set the value of a property B) To create a new instance of a bean C) To retrieve the value of a property D) To execute a SQL query

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Answer & Solution

Answer: Option C

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4

What is the role of the `javabeans.Introspector` class in JavaBeans?

A) It represents a JavaBean interface B) It allows you to examine the properties, events, and methods of a bean C) It handles database connections D) None of These

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Answer & Solution

Answer: Option B

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5

Which of the following is a valid property name for a JavaBean?

A) `@property` B) `customerName` C) `user_name` D) `123property`

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Answer & Solution

Answer: Option C

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6

What is JDBC in Java?

A) Java Data Binding and Conversion B) Java Development Kit for Beans C) Java Design for Concurrent programming D) Java Database Connectivity, a Java API for database access

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Answer & Solution

Answer: Option D

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7

Which Java package contains the JDBC classes and interfaces?

A) `java.sql` B) `java.beans` C) `java.jdbc` D) `java.db`

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Answer & Solution

Answer: Option A

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8

What is the purpose of the JDBC `DriverManager` class?

A) To manage JavaBeans properties B) To manage event handling in Java C) To manage the JavaBean lifecycle D) To manage a list of database drivers

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Answer & Solution

Answer: Option D

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9

What does the JDBC `Connection` interface represent?

A) A connection to the internet B) A connection to a remote server C) A connection to a database D) A connection to a JavaBean

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Answer & Solution

Answer: Option C

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10

Which of the following is NOT a valid JDBC driver type?

A) `Type 3` B) `Type 1` C) `Type 4` D) None of These

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Answer & Solution

Answer: Option B

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Java Beans and JDBC MCQs Questions | Java Program MCQs