CS0070

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Question

Answer

What is the name of the class in this program: class HelloWorld{ public static void main(String args[ ]){ System.out.println(“Hello World”); } } main String args HelloWorld System

HelloWorld

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

Netbeans Matisse

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Dennis Ritchie developed Java? False True

False

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What is the use of Access modifier "public" in Java language? None of the above To protect main method To hide the main method from misuse To call the main method outside of Class or Package by JVM

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

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API stands for Application Programming Interface false true

true

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A Netbeans feature that gives it an extensible Component Palette pre-installed Swing and AWT components, showing a components tree and properties, automatic code generation and full JavaBeans support. Version control Support GUI Builder XML

GUI Builder

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out is a public static field true false

True

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The JVM creates a software simulation of a CPU and memory and handles all communication between the Java program and the underlying operating system and hardware. True False

True

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print() prints string inside the quotes then the cursor moves to the beginning of the next line false true

False

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The main method is declared private so that it is accessible as part of the private interface of the program. true false

False

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Who developed Java? None of the options James Gosling Bjarne Stroustrup Dennis Ritchie

James Gosling

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Choose a multiline comment in Java language below? //comments are going cars are moving// /*comments are going cars are moving*/ */comments are going cars are moving/* None of the above

/*comments are going cars are moving*/

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The System class is not a part of the core Java language package of the Application Programming Interface (API) true false

False

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Reserved words are names that are given by the programmer as name of variables, methods or functions, classes etc true false

False

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It is a class used to get user input. In Scan Scanner Input

Scanner

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Oke was the original name of Java False True

False

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Every statement in Java language should end with ";"? true false

True

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Scanner class is found on java.util package. true false

True

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String args[] in main method are used for? public static void main(String args[]) { // } Nothing Passing arguments at compile time Passing arguments at run time Counting number of words

Passing arguments at run time

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nextBool() reads a boolean value from the user. false true

False

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What is the default return type of a method in Java language? None of the above short void int

void

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static is a not the state of a method false true

False

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out keyword accepts input data true false

false

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

True

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A single-line comment starts with /* false true

false

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What is the name of the class in this program: class HelloJava{ public static void main(String args[ ]){ System.out.println(“Hello Java”); } } HelloJava main System String args

HelloJava

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

True

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A feature of Netbeans that enables support for multiple source roots, easy management of libraries, easily ported to other environments, all based on Apache Ant. project system web development environment

project system

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A Netbeans feature that provides XML, DTD and CSS Text Editor and XML Productivity Tools Wizards to help user generate codes. GUI Builder XML Version control Support

XML

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Correct way of displaying a string output is: System.out.println(“some text here”); false true

True

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It reads a byte value from the user. nextByte nextB nextByte() nextB()

nextByte()

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

false

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A java edition that is It is developed using the Java Community Process Enterprise Edition Standard Edition Micro Edition

Enterprise Edition

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byte has a minimum value of -128 false true

True

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byte has a minimum value of -127 true false

False

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The goal in developing netbeans was to write a Delphi- like Java IDE in Java for the first time. true false

True

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A string is enclosed with double quotation marks. false true

True

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println belongs to the System class. true false

True

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IDE stands for? Integrating Development Environment Integration Development Environment Integrated Development Environment Integrated Developer Environment

Integrated Development Environment

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

False

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nextB () reads a byte value from the user. true false

False

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

False

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A method that provides string formatting printf() println() print()

printf()

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The goal in developing netbeans was to write a python- like Java IDE in Java for the first time. true false

False

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An IDE doesn't have build-automation tools. true false

False

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

True

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The main method is declared public so that it is accessible as part of the public interface of the program. false true

True

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String is a primitive data type

True

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println() prints string inside the quotes then the cursor moves to the beginning of the next line false true

True

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Netscape Navigator was developed in 1995 to support Java. False True

True

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

False

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Netbeans Matisse supports internationalization, and industrial look-and-feel rules, which is very important for large scale application meant to be spread world wide. false true

True

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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”); } } System String args main Rectangle

Rectangle

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The main method is non-static because it must be called before the class that hosts the method is instantiated false true

False

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

Interpreted, threaded, and dynamic

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String args[] in main method are used for? public static void main(String args[]) { // } Counting number of words Passing arguments at run time Nothing Passing arguments at compile time

Passing arguments at run time

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An IDE consists of a debugger true false

true

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In standalone Java applications, which method is mandatory? display method print method show method main method

main method

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A function in C language is similar to what in Java language? None of the above Method Variable Member

Method

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An IDE doesn't have a source code editor Group of answer choices false true

False

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The very first web browser created by Java. Group of answer choices WebRunner HotCoffee WebCoffee JavaCoffee

Webrunner

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A single-line comment starts with // Group of answer choices true false

True

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JUM handles all communication between the Java program and the underlying operating system and hardware. Group of answer choices False True

False

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An IDE may have Various tools to simplify the construction of a GUI. Group of answer choices true false

True

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A Netbeans feature that provides information about the runtime behavior of applications Group of answer choices NetBeans Platform NetBeans Profiler NetBeans Mobility Pack

NetBeans Profiler

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Every statement in Java language should end with ","? Group of answer choices false true

false

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A function in C language is similar to what in Java language? Method Member Variable None of the above

Method

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int has a width of 4 bytes Group of answer choices true false

True

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nextBoolean() reads a boolean value from the user. Group of answer choices true false

True

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long has a value that ranges from -32768 to 32767 Group of answer choices true false

False

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It reads a double value from the user. Group of answer choices nextDbl() nextDouble nextDbl nextDouble()

nextDouble()

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int has a width of 8 bytes Group of answer choices true false

False

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A Netbeans feature that provides the services common to almost all large desktop applications such as: window, menu, settings management and storage, file access and more. NetBeans Platform NetBeans Mobility Pack NetBeans Profiler

NetBeans Platform

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A multi-line comment enclosed within /* …. **/ Group of answer choices true false

False

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String is a derived data type Group of answer choices false true

True

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An IDE doesn't have build-automation tools. Group of answer choices false true

false

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All methods and variables in Java language are kept inside a? Group of answer choices main static method Class or Interface File

Class or Interface

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static is a not the state of a method Group of answer choices true false

False

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boolean data type has only two values Group of answer choices true false

True

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An IDE doesn't have various tools to simplify the construction of a GUI. Group of answer choices false true

False

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A java edition that lets you develop and deploy Java applications on desktops and servers. Group of answer choices Enterprise Edition Micro Edition Standard Edition

Standard Edition

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static is a state of a method Group of answer choices false true

True

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The System keyword defines a template for an object of derived type HelloWorld Group of answer choices true false

True

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"\\\" is an escape character for printing '\'. Group of answer choices false true

False

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double and float data types are used for numbers with decimal places Group of answer choices false true

True

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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 virtual machine. Group of answer choices False True

True

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nextInt() reads a integer value from the user. Group of answer choices false true

True

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A string is enclosed with single quotation marks. Group of answer choices false true

False

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

Architecture neutral and portable

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Short has 2 width bytes True False

True

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A java edition that rich user interface, performance, versatility, portability, and security that today's applications require. Micro Edition Standard Edition Enterprise Edition

Standard Edition

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Because of the Netbeans IDE's Compile on Save feature, you have to manually compile your project in order to run it in the IDE. false true

false

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Netbeans Matisse doesn't have an intelligent way to build GUI for Java (unlike eclipse), that can actually compete with the Visual Studio GUI builder. True or False.

False

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The Java compiler generates machine code source code HTML byte code

byte code

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When you save a Java source file, the IDE doesn't automatically compiles it. True or False.

False

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A bytecode is interpreted by the JVM. True or False.

True

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double data type has a width of 16 in bytes. True or False.

False

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Scanner class is found on what java package?

java.util

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

javaHelloWorld

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[True or False] System is a method

False

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[True or False] The main method is declared private so that it is accessible as part of the private interface of the program.

False

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[True or False] nextDbl () reads a double value from the user.

False

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Choose a Single Line Comment in Java Language below? Group of answer choices /*Some comments*/ */Some comments/* Some comments// //Some comments

//Some comments

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[True or False] %n is for new line

True

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[True or False] An IDE has build-automation tools.

True

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[True or False] short has a width of 4 bytes

False

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Original name of Java

Oak

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A method that prints string inside the quotes then the cursor moves to the beginning of the next line

println()

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[True or False] short has a value that ranges from -32768 to 32767

True

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[True or False] A documentation or javadoc comment is enclosed /** and */

True

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[True or False] int has a width of 8 bytes

False

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Java Bytecode File Extension name

.class

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String args[] in main method are used for? public static void main(String args[]) { // }

Passing arguments at run time

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A feature of java that means that Java can be programmed without extensive programmer training while being attuned to current software practices

Simple, object-oriented, and familiar

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[True or False] short has a width of 2 bytes

True

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What are the valid White Spaces available in Java Language? - Enter - All the above - Space - Tab

All the above

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A command for the documentation generator

javadoc

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[True or False] nextLn () reads a String value from the user.

False

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[True or False] An IDE consists of Compiler and/or interpreter.

True

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[True or False] Scanner class used to get user input

True

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

Architecture neutral and portable

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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.

Code Editor

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[True or False] All methods and variables in Java language are kept inside a method?

False

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[True or False] IEE is a computer software to help compute programmers develop software.

False

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[True or False] long has a value that ranges from -32768 to 32767

False

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[True or False] "\new" is an escape character for new line.

False

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A valid Identifier or name in Java language can start with which character? Group of answer choices option1: a-z, A-Z both option1 and option2 0-9 option2: $, _

both option 1 and option2

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Escape character for new line.

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

NetBeans Mobility Pack

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A java edition that provides a robust, flexible environment for applications running on embedded and mobile devices in the Internet of Things

Micro Edition

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[True or False] out keyword accepts output data

True

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File extension name of a java file.

.java

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