java

1. 1. What does JVM stand for ?

• A. Java virtual method
  

• B. Just virtual machine

• C. Java verified machine

• D. Java virtual machine

2. Which of the following option leads to the portability and security of Java ?

• A. Byte code is executed by JVM

• B. The applet makes the Java code secure and portable

• C. Use of exception handing

• D. Dynamic binding between objects

3. Which of the following is not a Java features?

• A. Platform independence

• B. Robust

• C. Use of pointers

• D. Object - oriented

4. 4.Which company developed the Java programming language?

• A. Microsoft

• B. Oracle

• C. IBM

• D. Apple

5. 5.The Java compiler translates Java source code into an intermediate language called?

• A. Java Runtime Environment (JRE)

• B. Java Virtual Machine (JVM)

• C. Java Development Kit (JDK)

• D. Java Compiler

Java is an object-oriented programming (OOP) language. In OOP, what does the concept of "inheritance" mean?

• A. Creating objects from existing classes

• B. Polymorphism

• C. Creating a new class from an existing class

• D. Method overriding

7. 7.Which technology is commonly used in Java for building web applications on the server-side?

• A. JavaFX

• B. Swing

• C. Servlets

• D. JavaBean

8. 8.Which of the following is NOT a Java framework for big data processing?

• A. Apache Hadoop

• B. Apache Flink

• C. Apache Spark

• D. JavaFX

What is automatic memory management in Java commonly known as?

• A. Heap Management

• B. Stack Management

• C. Garbage Collection

• D. Memory Allocation