MCQOPTIONS
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MCQOPTIONS
This section includes 215 Mcqs, each offering curated multiple-choice questions to sharpen your Technical Programming knowledge and support exam preparation. Choose a topic below to get started.
| 201. |
What are the pillars of OOPS concept? |
| A. | Abstraction, Inheritance, Encapsulation, Polymorphism |
| B. | Atomicity, Inheritance, Encapsulation, Polymorphism |
| C. | Abstraction, Inheritance, Polymorphism |
| D. | None of the Above |
| Answer» B. Atomicity, Inheritance, Encapsulation, Polymorphism | |
| 202. |
__________ provides the naming services for the server to register the object and for theclient to locate the object. |
| A. | Server stub |
| B. | RMI Registry |
| C. | Server implementation |
| D. | Server Skeleton |
| Answer» C. Server implementation | |
| 203. |
The class used to make a standalone application in java. |
| A. | Applet |
| B. | Panel |
| C. | Frame |
| D. | Form |
| Answer» D. Form | |
| 204. |
What can a method do with a checked exception? |
| A. | Check the exception or ignore it. |
| B. | Return the exception to the sender or handle it in a catch block. |
| C. | Throw the exception to the method that called this method, or handle the exception in a catch block. |
| D. | Handle the exception in the try block or handle the exception in the catch block. |
| Answer» D. Handle the exception in the try block or handle the exception in the catch block. | |
| 205. |
Which of the following are true about interfaces. |
| A. | Methods declared in interfaces are implicitly private. |
| B. | Variables declared in interfaces are implicitly public, static, and final. |
| C. | An interface contains any number of method definitions. |
| D. | The keyword implements indicate that an interface inherits from another. |
| Answer» C. An interface contains any number of method definitions. | |
| 206. |
Which method in Thread class is used to check weather a thread is still running? |
| A. | isAlive() |
| B. | Join() |
| C. | isRunning() |
| D. | Alive() |
| Answer» B. Join() | |
| 207. |
The ActionListener interface is used for handling action events,For example,it's used by a |
| A. | JButton |
| B. | JCheckbox |
| C. | JMenuItem |
| D. | All of these |
| Answer» E. | |
| 208. |
In which package is the class Vector located? |
| A. | java.io |
| B. | java.lang |
| C. | java.util |
| D. | java.text |
| Answer» D. java.text | |
| 209. |
The classes Reader and Writer are derived from the class _________. |
| A. | Streams |
| B. | Inputs |
| C. | Outputs |
| D. | Object |
| Answer» E. | |
| 210. |
In a RMI Client Program, what are the exceptions which might have to handled? |
| A. | RemoteException |
| B. | NotBoundException |
| C. | MalFormedURLException |
| D. | All mentioned above |
| Answer» E. | |
| 211. |
How many constructors does the class Exception have? |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» D. 3 | |
| 212. |
Which of these classes is related to all the exceptions that cannot be caught? |
| A. | Error |
| B. | Exception |
| C. | None of these |
| D. | a & b |
| Answer» B. Exception | |
| 213. |
What is the correct JavaScript syntax to insert a comment that has more than one line? |
| A. | <!--This comment has more than one line--> |
| B. | /*This comment has more than one line*/ |
| C. | //This comment has more than one line// |
| D. | <//This comment has more than one line//> |
| Answer» C. //This comment has more than one line// | |
| 214. |
The method to get the text of a Label |
| A. | getLabel() |
| B. | getText() |
| C. | getString() |
| D. | getData() |
| Answer» C. getString() | |
| 215. |
Which of the following are true about the Error and Exception classes? |
| A. | Both classes extend throwable |
| B. | The error class is final and exception class is not. |
| C. | The Exception class is final and the Error is not. |
| D. | Both classes implement Throwable |
| Answer» B. The error class is final and exception class is not. | |