MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your General Principles knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which two cause a compiler error? |
| A. | 2, 4 |
| B. | 3, 5 |
| C. | 4, 5 |
| D. | 1, 2 |
| Answer» E. | |
| 2. |
Which two of the following are legal declarations for nonnested classes and interfaces? |
| A. | 1 and 4 |
| B. | 2 and 5 |
| C. | 3 and 6 |
| D. | 4 and 6 |
| Answer» D. 4 and 6 | |
| 3. |
What is the widest valid returnType for methodA in line 3? |
| A. | int |
| B. | byte |
| C. | long |
| D. | double |
| Answer» E. | |
| 4. |
Which three are valid method signatures in an interface? |
| A. | 1 and 2 |
| B. | 2, 3 and 5 |
| C. | 3, 4, and 5 |
| D. | 2 and 4 |
| Answer» C. 3, 4, and 5 | |
| 5. |
Which of the following is/are legal method declarations? |
| A. | 1 and 3 |
| B. | 2 and 4 |
| C. | 1 only |
| D. | All of them are legal declarations. |
| Answer» E. | |
| 6. |
Which three form part of correct array declarations? |
| A. | 1, 3, 4 |
| B. | 2, 4, 5 |
| C. | 1, 2, 6 |
| D. | 2, 5, 6 |
| Answer» D. 2, 5, 6 | |