Web Design and Development MCQs with Answers
Practice important Web Design and Development MCQs with answers and explanations.
Multiple Choice Questions
Q281: What is the purpose of the next() method in ResultSet?
- A: Moves the cursor to the next row
- B: Retrieves the previous row's data
- C: Moves the cursor to the first row
- D: Moves the cursor to the last row
View Answer
A
Q282: How can you retrieve the column name using ResultSetMetaData?
- A: By calling getColumnLabel(int)
- B: By calling getColumnName(int)
- C: By calling getColumnType(int)
- D: By calling getColumnDisplaySize(int)
View Answer
B
Q283: What does the getDatabaseProductVersion() method return?
- A: The version number of the database product
- B: The name of the JDBC driver
- C: The maximum character size of a column
- D: The SQL type for the column
View Answer
A
Q284: Which method is used to check if the database is read-only?
- A: isReadOnly()
- B: getDriverName()
- C: getDatabaseProductName()
- D: getDatabaseProductVersion()
View Answer
A
Q285: What is the benefit of a Type-4 JDBC driver compared to Type-1?
- A: Better performance and platform independence
- B: It uses a middle-tier server
- C: It translates JDBC calls into ODBC calls
- D: It uses native APIs specific to the database
View Answer
A
Q286: What is the primary purpose of the paintComponent(Graphics g) method?
- A: Paints the component's border
- B: Paints the component's background and custom drawings
- C: Paints all child components
- D: Clears the entire component
View Answer
B
Q287: Which method is called to paint the component's border?
- A: paintComponent()
- B: paintBorder()
- C: paintChildren()
- D: repaint()
View Answer
B
Q288: What is the correct order of method calls during component painting?
- A: paintComponent() → paintBorder() → paintChildren()
- B: paintBorder() → paintComponent() → paintChildren()
- C: paintChildren() → paintBorder() → paintComponent()
- D: paintComponent() → paintChildren() → paintBorder()
View Answer
A
Q289: In the example code, which method is used to draw a rectangle?
- A: drawRect()
- B: fillOval()
- C: drawString()
- D: setColor()
View Answer
A
Q290: What does the super.paintComponent(g) call do in the paintComponent method?
- A: Paints the component's border
- B: Paints the background of the component
- C: Sets the color of the graphics object
- D: Draws the custom shapes on the component
View Answer
B