MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your General Awareness knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of these statements is incorrect about Thread? |
| A. | start() method is used to begin execution of the thread |
| B. | run() method is used to begin execution of a thread before start() method in special cases |
| C. | A thread can be formed by implementing Runnable interface only |
| D. | A thread can be formed by a class that extends Thread class |
| Answer» C. A thread can be formed by implementing Runnable interface only | |
| 2. |
Which of the following is a superclass of every class in Java? |
| A. | ArrayList |
| B. | Abstract class |
| C. | Object class |
| D. | String |
| Answer» D. String | |
| 3. |
What is Truncation in Java? |
| A. | Floating-point value assigned to a Floating type |
| B. | Floating-point value assigned to an integer type |
| C. | Integer value assigned to floating type |
| D. | Integer value assigned to floating type |
| Answer» C. Integer value assigned to floating type | |
| 4. |
Which of the following is a type of polymorphism in Java Programming? |
| A. | Multiple polymorphism |
| B. | Compile time polymorphism |
| C. | Multilevel polymorphism |
| D. | Execution time polymorphism |
| Answer» C. Multilevel polymorphism | |
| 5. |
Which of the following is not an OOPS concept in Java? |
| A. | Polymorphism |
| B. | Inheritance |
| C. | Compilation |
| D. | Encapsulation |
| Answer» D. Encapsulation | |
| 6. |
Which environment variable is used to set the java path? |
| A. | MAVEN_Path |
| B. | JavaPATH |
| C. | JAVA |
| D. | JAVA_HOME |
| Answer» E. | |
| 7. |
Which of these cannot be used for a variable name in Java? |
| A. | identifier & keyword |
| B. | identifier |
| C. | keyword |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 8. |
Which one of the following is not a Java feature? |
| A. | Object-oriented |
| B. | Use of pointers |
| C. | Portable |
| D. | Dynamic and Extensible |
| Answer» C. Portable | |
| 9. |
Which component is used to compile, debug and execute the java programs? |
| A. | JRE |
| B. | JIT |
| C. | JDK |
| D. | JVM |
| Answer» D. JVM | |
| 10. |
Who invented Java Programming? |
| A. | Guido van Rossum |
| B. | James Gosling |
| C. | Dennis Ritchie |
| D. | Bjarne Stroustrup |
| Answer» C. Dennis Ritchie | |