Chapter 2 Vocabulary

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Chapter

2 Vocabulary

Algorithm a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.

Argument

Data data passes to a method for processing

Bytecode compiled java scrpt

Class the description of an object

Code conventions a set of guidelines for writing code

Comment

Text provides information to the reader of program

Comment block comments that describe a program, class, pr method

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

Controlling class contains he main method

Encapsulation object oriented language

Escape Sequence a backlash followed by symbol that represent a character

Execute to 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 package with a controlling and possibly other classes

Java Virtual Machine (Java VM) the java byte code interpreter

Just-in-time compiler (JIT) converts byte code into specific machine code

Library (see Package.) group or related classes

Machine code basic computer language comprised of 1s and 0s

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 device typically the computer screen

Package group or related classes

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

Polymorphism object oriented language feature

Pseudo code algorithm written in a mic of English and program code

Run run program

Source code typed by programmer

Statement instruction program

String set of characters

Syntax error violated the ruled 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() displays more precisely formatted output to the screen

java.lang.System contains the out member

main() controlling class that is automatically executed when a java app is run

out member that represents standard output system

package related classes

print() displays output to screen

public declares a class or method as available to any code

static declaration used for class methods

void indicates a method will not return a value