Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
OOP
| Question | Answer |
|---|---|
| File extension name of a java file. (.java | .javac | .javax | .class) | .java |
| Netscape Navigator was developed in 1995 to support Java. | True |
| Every statement in Java language should end with "<>"? | false |
| `boolean` data type has only two values | true |
| Correct command for running a java application named `Hello.java` using console (`javac Hello.java` | `javac Hello.txt` | `java Hello` | `java Hello.txt`) | java Hello |
| The goal in developing netbeans was to write a Delphi- like Java IDE in Java for the first time. | true |
| What is the name of the class in this program: `class HelloJava{ public static void main(String args[ ]){ System.out.println(“Hello Java”); } }` (`String args` | `HelloJava` | `System` | `main`) | HelloJava |
| A file that is compiled to produce bytecode file (word file | class file | procedures | java source code) | java source code |
| A valid Identifier or name in Java language can start with which character? (option2: $, _ | both option1 and option2 | option1: a-z, A-Z | 0-9) | both option1 and option2 |
| 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. | True |
| A java edition that is It is developed using the Java Community Process (Micro Edition | Standard Edition | Enterprise Edition) | Enterprise Edition |
| Most IDEs today doesn't have GUI modeling utilities that simplify the development of UIs. | false |
| `long` has a value that ranges from -32768 to 32767 | false |
| Java Wrapper Classes are used in converting one data type into another data type. | true |
| A feature of Netbeans that makes it easy to create, deploy and import java beans. (Java 2 Platform, Micro Edition (J2ME) MIDP development | Web Services Development | Enterprise Java Beans (EJB) Development) | Enterprise Java Beans (EJB) Development |
| The __________ creates a software simulation of a CPU and memory and handles all communication between the Java program and the underlying operating system and hardware. (JMV | MJV | JVM | JJM) | JVM |
| A function in C language is similar to what in Java language? (Member | None of the above | Variable | Method) | Method |
| `static` is a not the state of a method | false |
| What are the valid White Spaces available in Java language? (Enter | All the above | Tab | Space) | All the above |
| `println()`provides string formatting. | false |
| `static` is a state of a method | true |
| `byte` has a maximum value of 128 | false |
| All methods and variables in Java language are kept inside a Class? | true |
| The `main` method is declared `public` so that it is accessible as part of the public interface of the program. | true |
| The class file is normally compiled to produce the bytecode file (.class file) which is normally interpreted by the Java virtual machine (JVM). | False |
| `short` has a width of 2 bytes | true |
| A documentation or javadoc comment is enclosed between `/**` and `*/` | true |
| 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 | XML | GUI Builder) | GUI Builder |
| `nextLine()` reads a String value from the user. | true |
| Netbeans feature w/ wizards for creating web services and web services clients, providing the basic code needed. (Java 2 Platform, Micro Edition (J2ME) MIDP development | Enterprise Java Beans (EJB) Development | Web Services Development) | Web Services Development |
| C++ is a general-purpose, concurrent, class-based, object-oriented language that is specifically designed to have as few implementation dependencies as possible. | False |
| The identifier name may be a reserved word. | false |
| In standalone Java applications, which method is mandatory? (display method | show method | print method | main method) | main method |
| The `System` keyword defines a template for an object of derived type HelloWorld | false |
| A java edition that provides a robust, flexible environment for applications running on embedded and mobile devices in the Internet of Things (Enterprise Edition | Micro Edition | Standard Edition) | Micro Edition |
| Netbeans feature w/ 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. (Award Winning Debugger | Code Editor | Refactoring) | Code Editor |
| An IDE doesn't have Compiler and/or interpreter. | false |
| `nextB()` reads a byte value from the user. | false |
| A string is enclosed with double quotation marks. | true |
| Netbeans started as a student project called Selfie | false |
| `\n` is an escape character for new line. | true |
| It reads a `boolean` value from the user. (`nextBoolean` | `nextBool` | `nextBoolean()` | `nextBool()`) | nextBoolean() |
| One of the tools for Object oriented design doesn't include class browser | false |
| An IDE may have Various tools to simplify the construction of a GUI. | true |
| `float` has a width of 8 bytes | false |
| A single-line comment starts with `//` | true |
| One of the tools for Object oriented design includes object inspector | true |
| `printf()`provides string formatting. | true |
| What is the need to mention `static` before `main` method? (Option2:To make main method as class method common to all instances | Option1 : To call main method without creating an object of class | None of the above | Both Options 1 and 2) | Both Options 1 and 2 |
| `nextInteger()` reads a integer value from the user. | false |
| `out` is a `private static` field | false |
| `nextLong()` reads a long value from the user. | true |
| 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. | false |
| A feature of Netbeans for renaming, changing and moving of various objects, field encapsulation and usage finding. (Award Winning Debugger | Refactoring | Code Editor) | Refactoring |
| `API` stands for Application Programmable Interface | false |
| The `main` method is declared `private` so that it is accessible as part of the private interface of the program. | false |
| The command to compile a java source code. (`javadoc` | `java` | `javac`) | javac |
| `nextFloat()` reads a float value from the user. | true |
| `double` data type has a width of 16 in bytes. | false |
| Feature that means that Java can be programmed without extensive training while being attuned to current software practices (Simple, object-oriented, and familiar | High performance | Architecture neutral and portable | Interpreted, threaded, and dynamic) | Simple, object-oriented, and familiar |
| Feature that means that the Java interpreter can execute the bytecodes directly on any machine to which the interpreter (Simple, object-oriented, and familiar | Architecture neutral and portable | Interpreted, threaded, and dynamic | High performance) | Interpreted, threaded, and dynamic |
| Identifiers are names that are given by the programmer as name of variables, methods or functions, classes etc | true |
| `print()` prints string inside the quotes then the cursor moves to the beginning of the next line | false |
| `main` method is `void` because the Java interpreter does not expect to receive or process any output from the class. | true |
| What is the default return type of a method in Java language? (`int` | `void` | `short` | None of the above) | void |
| What is the use of Access modifier `public` in Java language? (To hide the main method from misuse | To call the main method outside of Class or Package by JVM | To protect main method | None of the above) | To call the main method outside of Class or Package by JVM |
| `String` is a derived data type | true |
| Who developed Java? (James Gosling | None of the options | Dennis Ritchie | Bjarne Stroustrup) | James Gosling |
| The `class` keyword defines a template for an object of derived type HelloWorld | true |
| A multi-line comment enclosed within `/* …. **/` | false |
Created by:
user-1931754