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OOPJ #1

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

 Java was designed by

a)

Microsoft

b)

Mozilla Corporation

c)

Sun Microsystems

d)

Bell Lab

2.

Earlier name of Java Programming language was

a)

Eclipse

b)

OAK

c)

Netbean

d)

D

3.

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

a)

James Gosling

b)

Larry Page

c)

Bjarne Stroustrup

d)

None of these

4.

Why OAK was renamed to Java ?

a)

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

b)

because the name was not relevant to the language they created

c)

because there was another language called Oak

d)

None of these

5.

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

a)

JVM

b)

JDK

c)

JIT

d)

JRE

6.

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

a)
JVM
b)
JRE
c)
JDK
d)
JIT Compiler
7.

JVM stands for ?

a)
Java Virtual Machine
b)
Java Variable Method
c)
Java Vector Machine
d)
Java Visual Mode
8.

What is the Java Classloader?

a)
A Java Classloader is a part of the Java Runtime Environment that dynamically loads Java classes into the Java Virtual Machine.
b)
A Java Classloader is a tool for compiling Java code.
c)
A Java Classloader is a database management system in Java.
d)
A Java Classloader is a Java interface for creating new objects.
9.

What are the main operations of JVM?

a)

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

b)

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

c)

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

d)

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

10.

What is the extension of compiled java classes?

a)
.java
b)
.class
c)
.jar
d)
.exe