Java MCQ's on Fundamentals Of Java

This test contains 10 questions based on Fundamentals Of Java. Each question answered correctly awards you 1 point and each incorrect answer has a penalty of -0.25 points, no points are deducted for unattempted answers.

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What was the original name of Java ?

Oak	Pok
James	Coffee

A

Java was initially named as Oak by its founders.

Who is know as the father of Java ?

Ken Arnold	David Holmes
James Gosling	Peter Dibble

C

James Arthur Gosling, OC (born May 19, 1955) is a Canadian computer scientist, best known as the father of the Java programming language

Java Source Code is compiled into which format

.java	.class
.exe	.bytecode

B

Java Source code in .java format is compiled by the compiler to form .class file

Which tool is used to compile Java Code ?

java	javac
javah	javacmpl

B

javac FileName.java is the command to compile the java Source Code and javac is the Compiler that compile the code

What is byte code in the context of Java ?

The type of code generated by a Java compiler	The type of code generated by a Java Virtual Machine
It is another name for a Java source file	It is the code written within the instance methods of a class

A

The type of code generated by a Java compiler is called byte code. It is in .class format

Which of these is platform independent ?

bytecode	JVM
both A and B	none of these

A

bytecode is platform independent. JVM is platform dependent and there are different JVM's for different OS like windows, linux etc, but they all produce same bytecode, thus a bytecode once produced can be run on any operating system.

Which of these functions is called to display the output of an applet?

display()	print()
displayApplet()	PrintApplet()

B

Method print() is the method that display the output of an applet.

What does AWT stands for?

All Window Tools	All Writing Tools
Abstract Window Toolkit	Abstract Writing Toolkit

C

AWT stands for Abstract Window Toolkit.

Which of the following is not a feature of Java.

Multiple Inheritance	MultiLevel Inheritance
Garbage Collection	Function Overloading

A

Java does not support Multiple Inheritance. 

What of the following limits a class and its members to be used only within the class, classes within same package and classes that inherits them.

public	private
protected	default

C

Access specifier protected limits a class and its members to be used only within the class, classes within same package and classes that inherits them

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