Test : Java_1

This test contains 10 questions based on 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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You Get +1 for each correct answer and -0.25 for each incorrect answer

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What was the original name of Java

Oak	Pok
James	Coffee

A

Java was initially named as Oak

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	javacpl

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

What is the output of this program?

 class box {
        int width;
        int height;
        int length;
    } 
    class mainclass {
        public static void main(String args[]) 
        {        
            box obj1 = new box();
            box obj2 = new box();
            obj1.height = 1;
            obj1.length = 2;
            obj1.width = 1;
            obj2 = obj1;
            System.out.println(obj2.height);
        } 
    }

1	2
4	6

A

What is the output of this program?

 class box {
        int width;
        int height;
        int length;
    } 
    class mainclass {
        public static void main(String args[]) 
        {        
            box obj = new box();
            System.out.println(obj);
        } 
    }

0	1
Runtime error	Garbage value

D

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

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

B

Which of these methods can be used to output a sting in an applet?

display()	print()
drawString()	transient()

C

What does AWT stands for?

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

C

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