Formative Assessment 1

Java Bytecode File Extension name.

.class

In what year was java release as a core component of Sun Microsystems' Java platform?

1995

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

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

Award Winning Debugger

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

Class or Interface

T/F: "\tab" is an escape character for tab.

False

T/F: A multi-line comment enclosed within /* .... **/

False

T/F: An IDE doesn't have a source code editor

False

T/F: Correct way of displaying string output is: System.out.println('some text here');

False

T/F: Every statement in Java language should end with ","?

False

T/F: Every statement in Java language should end with "<>"?

False

T/F: File extension name of a java file is .javac.

False

T/F: JUM handles all communication between the Java program and the underlying operating system and hardware.

False

T/F: 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

T/F: One of the tools for Object oriented design doesn't include object inspector

False

T/F: The identifier name may be a reserved word.

False

T/F: The main method is declared private so that it is accessible as part of the private interface of the program.

False

T/F: The main method is non-static because it must be called before the class that hosts the method is instantiated

False

T/F: double data type has a width of 16 in bytes.

False

T/F: float has a width of 8 bytes

False

T/F: int has a width of 8 bytes

False

T/F: main method is int because the Java interpreter does not expect to receive or process any output from the class.

False

T/F: out is a private static field

False

T/F: printf() prints string inside the quotes and leaves the prompt the same line.

False

A feature of java that means the automatic garbage collector runs as a low priority background thread, ensuring a high probability that memory is available when required, leading to better performance.

High Performance

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

Identifier

IDE stands for?

Integrated Development Environment

In standalone Java applications, which method is mandatory?

Main Method

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

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

Netbeans Matisse

Original name of Java

Oak

Sun Microsystems is now a subsidiary of ?

Oracle Corporation

Every statement in Java language should end with a?

Semicolon

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

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

T/F: A documentation or javadoc comment is enclosed between /** and */

True

T/F: An IDE doesn't have debugger

True

T/F: An IDE has version control system

True

T/F: IDE is a computer software to help computer programmers develop software.

True

T/F: Java Wrapper Classes are used in converting one data type into another data type.

True

T/F: 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

T/F: Most IDEs today have GUI modeling utilities that simplify the development of UIs.

True

T/F: Netscape Navigator was developed in 1995 to support Java.

True

T/F: String is a primitive data type

True

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

True

T/F: boolean data type has only two values

True

T/F: double and float data types are used for numbers with decimal places

True

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

True

T/F: nextFloat () reads a float value from the user.

True

T/F: println belongs to the System class.

True

T/F: static is a state of a method

True

A function in C language is similar to what in Java language?

Variable

Escape character for new line.

\n

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

javac HelloWorld.java

It reads a byte value from the user.

nextByte()

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

void