1_Chapter 2 Vocabulary

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Chapter

2 Vocabulary

Algorithm procedure or formula for solving a problem.

Argument

Data Data passed to a method for processing

Bytecode Compiled Java soursecode

Class The description of an object

Code conventions A set of guidelines for writing an application

Comment

Text Text that provides information to the reader of program code.

Comment block Multiple comments that describe a program, class, or method

Compiling The process where source code is converted to code the computer understands.

Controlling class The class is an application that contains the main() method.

Encapsulation object oriented language feature.

Escape Sequence a backslash followed by a symbol that together represent a character.

Execute Run a program

Importable

Package code that can be used by an application

Inheritance object oriented language feature.

Interpreter

Software runs each byte-code instruction of a compiled java program.

Java application A package with a controlling class and possibly other classes.

Java Virtual Machine (Java VM) Java byte code interpreter

Just-in-time compiler (JIT) Softwhere that converts bytecode to a spacific machine code.

Library (see Package.) A group of related classes

Machine code The most basic computer language

Method named set of statements that perform a single well defined task

Object-oriented programming (OOP) a systematic modular approach to developing complex programs.

Output Stream sends data to an output

Package A group of related classes

Platform-independent application program that can be run n any computer regardless of operating system or hardware configuration

Polymorphism object-oriented language feature

Pseudocode Algorithm writian in a mix of computer code and english

Run execute

Source code code typed by a programmer

Statement instruction in a program

String a set of characters

Syntax error A statement that violates the rules of Java

Chapter

2 Java: Just know these commands.

/* */ Used to enclose single or

multiline comments.

/** */ Used to enclose documentation comments.

// Used to

begin a single line comment.

{ } Used to begin and end a set of related

statements.

; Required

at the end of each program statement.

\\ Escape

sequence for displaying a backslash.

\" Escape

sequence for displaying a double quotation mark.

\n Escape

sequence for displaying a newline.

\t Escape

sequence for displaying a tab.

Define:

class description of an object

format() method that displays more precisely formatted output to the screen

java.lang.System class that contains the out member

main() method in the controlling class that is automatically executed when a java application is run.

out The Java.Lang. System member that represents the standard output stream

package Statement used to declare a package.

print() method that displays output to the screen

public An access modifier that declares a class or method as available to any code

static decoration used for class methods

void Indicates a method will not return a value.