MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Java knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Method overriding is combination of inheritance and polymorphism? |
| A. | True |
| B. | false |
| Answer» B. false | |
| 2. |
What is it called where object has its own lifecycle and child object cannot belong to another parent object? |
| A. | Aggregation |
| B. | Composition |
| C. | Encapsulation |
| D. | Association |
| Answer» B. Composition | |
| 3. |
What is it called where child object gets killed if parent object is killed? |
| A. | Aggregation |
| B. | Composition |
| C. | Encapsulation |
| D. | Association |
| Answer» C. Encapsulation | |
| 4. |
What is it called if an object has its own lifecycle and there is no owner? |
| A. | Aggregation |
| B. | Composition |
| C. | Encapsulation |
| D. | Association |
| Answer» E. | |
| 5. |
Which concept of Java is achieved by combining methods and attribute into a class? |
| A. | Encapsulation |
| B. | Inheritance |
| C. | Polymorphism |
| D. | Abstraction |
| Answer» B. Inheritance | |
| 6. |
Which concept of Java is a way of converting real world objects in terms of class? |
| A. | Polymorphism |
| B. | Encapsulation |
| C. | Abstraction |
| D. | Inheritance |
| Answer» D. Inheritance | |
| 7. |
When Overloading does not occur? |
| A. | More than one method with same name but different method signature and different number or type of parameters |
| B. | More than one method with same name, same signature but different number of signature |
| C. | More than one method with same name, same signature, same number of parameters but different type |
| D. | More than one method with same name, same number of parameters and type but different signature |
| Answer» E. | |
| 8. |
When does method overloading is determined? |
| A. | At run time |
| B. | At compile time |
| C. | At coding time |
| D. | At execution time |
| Answer» C. At coding time | |
| 9. |
Which of the following is a type of polymorphism in Java? |
| A. | Compile time polymorphism |
| B. | Execution time polymorphism |
| C. | Multiple polymorphism |
| D. | Multilevel polymorphism |
| Answer» B. Execution time polymorphism | |
| 10. |
METHOD_OVERRIDING_IS_COMBINATION_OF_INHERITANCE_AND_POLYMORPHISM??$ |
| A. | True |
| B. | false |
| Answer» B. false | |
| 11. |
Which of the following is not OOPS concept in Java? |
| A. | Inheritance |
| B. | Encapsulation |
| C. | Polymorphism |
| D. | Compilation |
| Answer» E. | |