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. |
What is use of interpreter? |
| A. | They convert bytecode to machine language code |
| B. | They read high level code and execute them |
| C. | They are intermediated between JIT and JVM |
| D. | It is a synonym for JIT |
| Answer» C. They are intermediated between JIT and JVM | |
| 2. |
What is the extension of compiled java classes? |
| A. | .class |
| B. | .java |
| C. | .txt |
| D. | .js |
| Answer» B. .java | |
| 3. |
What is the extension of java code files? |
| A. | .class |
| B. | .java |
| C. | .txt |
| D. | .js |
| Answer» C. .txt | |
| 4. |
Which statement is true about java? |
| A. | Platform independent programming language |
| B. | Platform dependent programming language |
| C. | Code dependent programming language |
| D. | Sequence dependent programming language |
| Answer» B. Platform dependent programming language | |
| 5. |
Which component is responsible to optimize bytecode to machine code? |
| A. | JVM |
| B. | JDK |
| C. | JIT |
| D. | JRE |
| Answer» D. JRE | |
| 6. |
Which component is responsible to run java program? |
| A. | JVM |
| B. | JDK |
| C. | JIT |
| D. | JRE |
| Answer» E. | |
| 7. |
Which component is used to compile, debug and execute java program? |
| A. | JVM |
| B. | JDK |
| C. | JIT |
| D. | JRE |
| Answer» C. JIT | |
| 8. |
WHAT_IS_USE_OF_INTERPRETER??$ |
| A. | They convert bytecode to machine language code |
| B. | They read high level code and execute them |
| C. | They are intermediated between JIT and JVM |
| D. | It is a synonym for JIT |
| Answer» C. They are intermediated between JIT and JVM | |
| 9. |
How can we identify whether a compilation unit is class or interface from a .class file? |
| A. | Java source file header |
| B. | Extension of compilation unit |
| C. | We cannot differentiate between class and interface |
| D. | The class or interface name should be postfixed with unit type |
| Answer» B. Extension of compilation unit | |
| 10. |
Which of the below is invalid identifier with the main method? |
| A. | public |
| B. | static |
| C. | private |
| D. | final |
| Answer» D. final | |
| 11. |
Which component is responsible for converting bytecode into machine specific code? |
| A. | JVM |
| B. | JDK |
| C. | JIT |
| D. | JRE |
| Answer» B. JDK | |