OOPJ #1

 Java was designed by

• Microsoft

• Mozilla Corporation

• Sun Microsystems

• Bell Lab

Earlier name of Java Programming language was

• Eclipse

• OAK

• Netbean

• D

Which of the following personality is called as father of Java Programming language

• James Gosling

• Larry Page

• Bjarne Stroustrup

• None of these

Why OAK was renamed to Java ?

• because the language was unsuccessful , so they created another version and changed its name to java.

• because the name was not relevant to the language they created

• because there was another language called Oak

• None of these

Which component is used to compile, debug and execute java program?

• JVM

• JDK

• JIT

• JRE

Which component is responsible for converting bytecode into machine specific code?

• JVM
• JRE
• JDK
• JIT Compiler

JVM stands for ?

• Java Virtual Machine
• Java Variable Method
• Java Vector Machine
• Java Visual Mode

What is the Java Classloader?

• A Java Classloader is a part of the Java Runtime Environment that dynamically loads Java classes into the Java Virtual Machine.
• A Java Classloader is a tool for compiling Java code.
• A Java Classloader is a database management system in Java.
• A Java Classloader is a Java interface for creating new objects.

What are the main operations of JVM?

• 1) To load code 2) To compile code 3) To executes code 4) To provide runtime environment.

• 1) To compile code 2) To load code 3) To Executes code 4) To provide runtime environment.

• 1) To debug code 2) To compile code 3) To Executes code 4) To provide runtime environment.

• 1) To load code 2) To Verify code 3) To Executes code 4) To provide runtime environment.

What is the extension of compiled java classes?

• .java
• .class
• .jar
• .exe