OOP JAVA FINAL EXAM

What is the default return type of a method in Java language?

Group of answer choices

short

None of the above

void

int

void

out keyword accepts output data

Group of answer choices

false

true

true

Choose a multiline comment in Java language below?

Group of answer choices

None of the above

/comments are going cars are moving/

/comments are going cars are moving/

//comments are going cars are moving//

/comments are going cars are moving/

The class keyword defines a template for an object of derived type HelloWorld

Group of answer choices

false

true

true

Sun Microsystems is now a subsidiary of Microsoft Corporation?

Group of answer choices

False

True

False

A feature of Netbeans with Syntax highlighting for Java, XML, HTML, CSS, JSP and IDL, full support of new JDK 1.5 features, live parsing/error marking, popup javadoc, code completion, and fast class importing.

Group of answer choices

Award Winning Debugger

Code Editor

Refactoring

Code Editor

main method is void because the Java interpreter does not expect to receive or process any output from the class.

Group of answer choices

true

false

true

The System class is a part of the core Java language package of the Application Programming Interface (API)

Group of answer choices

true

false

true

nextLine () reads a String value from the user.

Group of answer choices

true

false

true

All methods and variables in Java language are kept inside a Class?

Group of answer choices

true

false

true

Every statement in Java language should end with ":"?

Group of answer choices

true

false

false

Escape character for new line.

Group of answer choices

\\

\t

\n

\n

An IDE consists of a source code editor

Group of answer choices

false

true

true

A feature of java that means Java technology is designed to support applications that will be deployed into heterogeneous network environments

Group of answer choices

Simple, object-oriented, and familiar

Robust and secure

Architecture neutral and portable

Interpreted, threaded, and dynamic

High performance

Architecture neutral and portable

The project startup name of Netbeans.

Group of answer choices

Xelf

Xelfie

Xelfi

Selfi

Xelfi

An IDE doesn't have Compiler and/or interpreter.

Group of answer choices

false

true

false

print() prints string inside the quotes and leaves the prompt the same line.

Group of answer choices

true

false

true

The System keyword defines a template for an object of derived type HelloWorld

Group of answer choices

false

true

false

Choose a correct version of Java Documentation Comment?

Group of answer choices

/*comments/

/*comments*/

/ Comments/

/ comments*/

/ comments*/

The loader for java applications.

Group of answer choices

java

javadoc

javac

java

A file that is compiled to produce bytecode file

Group of answer choices

java source code

class file

procedures

word file

java source code

boolean data type has only two values

Group of answer choices

true

false

true

One of the tools for Object oriented design doesn't include class hierarchy diagram

Group of answer choices

false

true

false

A string is enclosed with double quotation marks.

Group of answer choices

true

false

true

Dennis Ritchie developed Java?

Group of answer choices

False

True

False

An IDE doesn't have a source code editor

Group of answer choices

false

true

false

Correct command for compiling a file named "Hello.java" using console.

Group of answer choices

javac Hello.java

java Hello.java

java Hello.txt

javac Hello.txt

javac Hello.java

nextInteger () reads a integer value from the user.

Group of answer choices

true

false

false

Java is a portable language that could run on any platform. The language was able to do this by generating intermediate code for a hypothetical computer called a ________.

Group of answer choices

virtual machine

virtual computer

logical machine

logical computer

virtual machine

What is the name of the class in this program:

class HelloJava{

public static void main(String args[ ]){

System.out.println("Hello Java");

}

}

Group of answer choices

HelloJava

main

String args

System

HelloJava

A single-line comment starts with //

Group of answer choices

false

true

true

It reads a byte value from the user.

Group of answer choices

nextB

nextB()

nextByte()

nextByte

nextByte()

nextBoolean() reads a boolean value from the user.

Group of answer choices

false

true

true

A documentation or javadoc comment is enclosed between / and */

Group of answer choices

false

true

false

A Netbeans feature that provides information about the runtime behavior of applications

Group of answer choices

NetBeans Mobility Pack

NetBeans Platform

NetBeans Profiler

NetBeans Profiler

It provides simple and intuitive layout of GUIs without having to understand the complexities of Swing layout managers.

Group of answer choices

Netbeans Matching

Netbeans Matisse

Netbeans Matter

An IDE doesn't have build-automation tools.

Group of answer choices

true

false

false

%d is for used for date

Group of answer choices

true

false

false

Java source code is compiled to produce bytecode file

Group of answer choices

False

True

True

println()provides string formatting.

Group of answer choices

false

true

false

static is a state of a method

Group of answer choices

false

true

true

Correct command for running a java application named "Hello.java" using console

Group of answer choices

java Hello.txt

java Hello

javac Hello.txt

javac Hello.java

java Hello

println does not belong to the System class.

Group of answer choices

true

false

true but its marked incorrect in canvas, answer false

Choose a Single Line Comment in Java Language below?

Group of answer choices

Some comments//

//Some comments

/Some comments/

/Some comments/

//Some comments

It reads a long value from the user.

Group of answer choices

nextLong()

nextLng

nextLng()

nextLong

nextLong()

Netscape Navigator was developed in 1995 to support Java.

Group of answer choices

True

False

True

nextFlt () reads a float value from the user.

Group of answer choices

true

false

false

An IDE has version control system

Group of answer choices

false

true

true

A command for the documentation generator

Group of answer choices

java

javac

javadoc

javadoc

Sun Microsystems is now a subsidiary of ?

Apple Corporation

Oracle Corporation

None of the options

Microsoft Corporation

Oracle Corporation

It reads a boolean value from the user.

Group of answer choices

nextBool

nextBoolean

nextBoolean()

nextBool()

nextBoolean()

A feature of java that means that the Java interpreter can execute the bytecodes directly on any machine to which the interpreter

Group of answer choices

High performance

Architecture neutral and portable

Robust and secure

Simple, object-oriented, and familiar

Interpreted, threaded, and dynamic

Interpreted, threaded, and dynamic

Java Wrapper Classes are used in converting one data type into another data type.

Group of answer choices

true

false

true

String is a derived data type

Group of answer choices

false

true

true

One of the tools for Object oriented design doesn't include class browser

Group of answer choices

false

true

false

printf()provides string formatting.

false

true

true

What is the feature of Netbeans for Language independent debugger core, variable modification and watches, various breakpoints and "Fix and Continue" mechanism.

Group of answer choices

Code Editor

Award Winning Debugger

Refactoring

Award Winning Debugger

double and float data types are used for numbers with decimal places

Group of answer choices

true

false

true

A feature of of Netbeans for supporting the J2EE 1.3 and 1.4 standards with web application build support based on Apache Ant.

Group of answer choices

web development

project system

environment

web development

One of the tools for Object oriented design doesn't include object inspector

Group of answer choices

false

true

false

Oke was the original name of Java

True

False

False

long has a value that ranges from -32768 to 32767

Group of answer choices

false

true

false, it's for short

All methods and variables in Java language are kept inside a method?

Group of answer choices

true

false

false

It provides simple and intuitive layout of GUIs without having to understand the complexities of Swing layout managers.

Group of answer choices

Netbeans Matisse

Netbeans Matching

Netbeans Matter

Netbeans Matisse

Correct way of displaying a string output is:

System.out.println("some text here");

Group of answer choices

false

true

true

Netbeans started as a student project called Xelfi

Group of answer choices

true

false

true

It is a computer software to help computer programmers develop software.

Group of answer choices

Integrating Development Environment

Integrated Developer Environment

Integrated Development Environment

Integration Development Environment

Integrated Development Environment

A feature of Netbeans for renaming, changing and moving of various objects, field encapsulation and usage finding.

Group of answer choices

Award Winning Debugger

Refactoring

Code Editor

Refactoring

%d is for used for decimal

Group of answer choices

true

false

true

The identifier name may be a reserved word.

Group of answer choices

false

true

false

Every statement in Java language should end with ","?

false

true

false

A Netbeans feature that is used to write, test, and debug applications for the Java Micro Edition platform (J2ME) technology-enabled mobile devices

Group of answer choices

NetBeans Platform

NetBeans Profiler

NetBeans Mobility Pack

NetBeans Mobility Pack

What is the use of Access modifier "public" in Java language?

Group of answer choices

None of the above

To call the main method outside of Class or Package by JVM

To protect main method

To hide the main method from misuse

To call the main method outside of Class or Package by JVM

nextLn () reads a String value from the user.

Group of answer choices

true

false

false

A multi-line comment enclosed within / .... */

Group of answer choices

true

false

false

File extension name of a java file is .javac.

Group of answer choices

True

False

False

Who developed Java?

Group of answer choices

Dennis Ritchie

James Gosling

None of the options

Bjarne Stroustrup

James Gosling

A Netbeans feature that supports command lined vcs, supplying merging and diff tools and containing a built- in CVS client.

Group of answer choices

XML

Version control Support

GUI Builder

Version control Support

float has a width of 4 bytes.

Group of answer choices

false

true

true

File extension name of a java file.

Group of answer choices

.class

.javac

.javax

.java

.java

Netbeans Matisse doesn't support internationalization, and industrial look-and-feel rules, which is very important for large scale application meant to be spread world wide.

Group of answer choices

false

true

false

System is a method

Group of answer choices

false

true

false

IDE stands for Integrated Design Environment

Group of answer choices

true

false

false

What is the name of the class in this program:

class Rectangle{

public static void main(String args[ ]){

System.out.println("This is a Rectangle");

}

}

Group of answer choices

main

System

Rectangle

String args

Rectangle

Scanner class is found on what java package?

Group of answer choices

java.io

javax.swing

java.Scanner

java.util

java.util

Java Primitive data types are used in converting one data type into another data type.

Group of answer choices

false

true

false

A documentation or javadoc comment is enclosed between /* and /

Group of answer choices

true

false

true

A feature of Netbeans for visual design editor with end-to-end support for enterprise applications.

Group of answer choices

Web Services Development

Enterprise Java Beans (EJB) Development

Java 2 Platform, Micro Edition (J2ME) MIDP development

Java 2 Platform, Micro Edition (J2ME) MIDP development

System is a class

Group of answer choices

true

false

true

Correct command for running a java application named "HelloWorld.java" using console

Group of answer choices

javac HelloWorld.txt

javac HelloWorld.java

java HelloWorld

java HelloWorld.txt

java HelloWorld

Scanner class used to get user input.

Group of answer choices

false

true

true

nextLng () reads a long from the user.

Group of answer choices

false

true

false

Most IDEs today have GUI modeling utilities that simplify the development of UIs.

Group of answer choices

false

true

true

nextInt() reads a integer value from the user.

Group of answer choices

false

true

true

Every statement in Java language should end with a?

Group of answer choices

Dot or Period

Colon

Comma

Semicolon

Semicolon

Netbeans started as a student project called Selfie

Group of answer choices

false

true

false, its Xelfi

A method that prints string inside the quotes and leaves the prompt the same line.

Group of answer choices

println()

print()

printf()

print()

Java is a portable language that could run on any platform

Group of answer choices

True

False

True

"\\\" is an escape character for printing '\'.

Group of answer choices

false

true

false

Name of a Class, Variable, Method or an Interface in Java language is called?

Argument

None of the above

Identifier

Value

Identifier