Taranath Shikshana Samsthe, Laxmi Venkatesh Desai College, Raichur. Department of Computer Science

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Java Assessment 2

Name *

1.In java control statements break, continue, return, try-catch-finally and assert belongs to? *

1 point

Loop Statements

Transfer statements

Pause Statement

Selection statements

2.Which provides runtime environment for java byte code to be executed? *

1 point

JDK

JVM

JRE

JAVAC

3.What is byte code in Java? *

1 point

Code generated by a Java compiler

Code generated by a Java Virtual Machine

Name of Java source code file

Block of code written inside a class

4.Which of the following are not Java keywords ? *

1 point

double

switch

then

instanceof

5.Which of these have highest precedence? *

1 point

()

6.Which of these is returned by operator '&' ? *

1 point

Integer

Character

Boolean

Float

7.Which variables are created when an object is created with the use of the keyword 'new' and destroyed when the object is destroyed? *

1 point

Local variables

Instance variables

Class Variables

Static variables

8.What is garbage collection in the context of Java? *

1 point

Java deletes all unused java files on the system.

Memory used by the object with no reference is automatically reclaimed.

The JVM cleans output of Java program with error.

Any unused package in a program automatically gets deleted.

9.Which one is a template for creating different objects ? *

1 point

An Array

A class

Interface

Method

10.Which one is true about a constructor ? *

1 point

A constructor must have the same name as the class it is declared within.

A constructor is used to create objects.

A constructor may be declared private

All of the above

11.Which of these operators is used to allocate memory to array variable in Java? *

1 point

alloc

malloc

new malloc

new

12.Which of these is not a bitwise operator? *

1 point

&' Operator

&=' Operator

|=' Operator

<=' Operator

13.Which of these is returned by Greater Than, Less Than and Equal To (i.e Relational) operator ? *

1 point

Float

Integer

Boolean

Double

14.Which statement transfer execution to different parts of your code based on the value of an expression? *

1 point

switch

nested-if

if-else-if

15.Which of the following are not the methods of the Thread class? *

1 point

yield()

sleep()

go()

stop()

16.Which of the following are not Java modifiers? *

1 point

public

private

friendly

transient

17.Remote Method Invocation (RMI). This feature brings an unparalleled level of abstraction to___ programming *

1 point

socket

client/server

c++

18.JDBC stands for ___ *

1 point

Java Database Connectivity

Joint Database connection

Just Dependent component

none of the above

19.___ is a set of user interface components that is implemented entirely in Java *

1 point

intermediate code

Byte code

Swing

Servelets

20.Java is designed for the distributed environment of the Internet because it handles ___ protocols *

1 point

TCP

HTTP

both 1 and 2

21.___ is the mechanism that binds together code and the data it manipulates and keeps both safes from outside interference and misuse. *

1 point

Inheritance

Polymorphism

Encapsulation

Multithreaded

22.Inheritance interacts with encapsulation as well *

1 point

True

False

23.Polymorphism allows you to create ___ *

1 point

clean

sensible

readable, and resilient code

all of the above

24.Multiple inheritance means. *

1 point

one class inheriting from more super classes

more classes inheriting from one super class

more classes inheriting from more super classes

None of the above

(a) and (b) above.

25.To prevent any method from overriding, we declare the method as *

1 point

static

const

final

abstract

none of the above.

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