Java Software Architect Set 4

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Free Online Best Java Software Architect MCQ Questions for improve your basic knowledge of Java Software Architect. This Java Software Architect set 4 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

All java classes are derived from

A	java.lang.Class
B	java.util.Name
C	java.lang.Object
D	java.awt.Window

Question 2

Several vendors are adding ____ to their existing database______

A	JDOBC, middle-ware products
B	JDBC drivers, upper-ware products
C	middle-ware products, JDBC drivers
D	JDBC drivers, middleware products

Question 3

For the execution of DELETE SQL query in JDBC,______the method must be used

A	executeQuery()
B	executeDeleteQuery()
C	executeUpdate()
D	executeDelete()

Question 4

Which method will a web browser call on a new applet?

A	main method
B	destroy method
C	execute method
D	init method

Question 5

Filters were officially introduced in the servlet_____ specification.

A	2.1
B	2.3
C	2.2
D	2.4

Question 6

Which of the following is not the java primitive type

A	Byte
B	Float
C	Character
D	Long double

Question 7

Command to execute compiled java program is

A	java
B	javac
C	run
D	javaw

Question 8

JSP is not governed by the_______ defined by the Java 2 specifications.

A	syntax and semantics
B	rules and regulation
C	Jakarta tomcat
D	compiler

Question 9

The command javac____

A	Converts a java program into binary code
B	Converts a java program into bytecode
C	Converts a java program into machine language
D	None of the above

Question 10

GET methods are great for sending________amounts of information that you do not mind having visible in a URL.

A	negligible
B	huge
C	small
D	Both a and b

Question 11

Which of the following is true about Java.

A	Java does not support overloading.
B	Java has replaced the destructor function of C++
C	There are no header files in Java.
D	All of the above.

Question 12

The concept of distributed object computing can be termed as a marriage between _____ and _________

A	C++, java
B	C, C++
C	Networking, Object-oriented programming
D	C, Object-oriented programming

Question 13

In a java program, package declaration______ import statements.

A	must precede
B	must succeed
C	may precede or succeed
D	None of the above

Question 14

When a programming class implements an interface, it must provide behavior for

A	two methods defined in that interface
B	any methods in a class
C	only certain methods in that interface
D	all methods defined in that interface

Question 15

In order to run JSP________is required.

A	Mail Server
B	Applet viewer
C	Java Web Server
D	Database connection

Question 16

_____are not machine instructions and therefore, Java interpreter generates machine code that can be directly executed by the machine that is running the Java program.

A	Compiled Instructions
B	Compiled code
C	byte code
D	Java mid code

Question 17

Inner classes are

A	anonymous classes
B	nested classes
C	sub classes
D	derived classes

Question 18

The service phase of the servlet life cycle represents all interactions with requests until the servlet is ______

A	created
B	running
C	initiated
D	destroyed

Question 19

Which of the following is not mandatory in a variable declaration?

A	a semicolon
B	an identifier
C	an assignment
D	a data type

Question 20

Java Servlet i) is a key component of server-side java development ii) is a small pluggable extension to a server that enhances the functionality iii) runs only in Windows Operating System iv) allows developers to customize any java enabled server

A	i, ii & iii are true
B	i, iii & iv are true
C	ii, iii & iv are true
D	i, ii & iv are true

Question 21

How many times does the following code segment execute int x=1, y=10, z=1; do{y–; x++; y-=2; y=z; z++} while (y>1 && z<10);

A	1
B	10
C	5
D	infinite

Question 22

What would happen if “String[]args” is not included as an argument in the main method

A	No error
B	Compilation error
C	The program won’t run
D	Program exit

Question 23

______ is the first phase of the servlet life cycle.

A	Initialization
B	Service
C	Destruction
D	Both a and b

Question 24

The class at the top of the exception class hierarchy is_______

A	ArithmeticException
B	Throwable
C	Class
D	Exception

Question 25

The jdb is used to

A	Create a jar archive
B	Debug a java program
C	Create C header file
D	Generate java documentation

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