| | Algorithm | A step-by-step description of how to accomplish a task. |
| | Program | A list of instructions to be carried out by a computer. |
| | Digital | Based on numbers that increase in discrete increments such as the integers 0, 1, 2, 3, etc. |
| | Binary Number | A number of just 0s and 1s, also known as a base-2 number. |
| | Program Execution | The act of carrying out the instructions contained in a program. |
| | Compiler | A program that translates a computer program written in one language into an equivalent program in another language (often, but not always, translating into machine language). |
| | Java Virtual Machine (JVM) | A theoretical computer whose machine language is the set of Java bytecodes. |
| | Class | A unit of code that is the basic building block of Java programs. |
| | Java Runtime | A program that xecutes compiled Java class files. |
| | Java Class Libraries | Java's collection of preexisting code that provides solutions to common programming problems. |
| | IDE | Integrated Development Environments |
| | JRE | Java Runtime Environment |
| | Console Window | A special text-only window in which Java programs interact with the user. |
| | Method | A program unit that represents a particular action or computation. |
| | Grouping Characters | the curly brace characters { and }, used in Java to group together related lines of code. |
| | Statement | An executable snippet of code that represents a complete command. |
| | Statement Terminator | The semicolon character ; used in Java to terminate statements. |
| | Identifier | A name gien to an entity in a program, such as a class or method. |
| | Comment | Text included by programmers to explain their code. The compiler ignores these. |
| | Decomposition | A separation into discernible parts, each of which is simpler than the whole. |
| | Iterative Enhancement | The process of producing a program in stages, adding new functionality at each stage. A key feature of each step is that you can test it to make sure that piece works before moving on. |
| | Static Method | A block of Java statements that is given a name. |
| | Method Call | A command to execute another method, which causes all of the statements inside that method to executed. |
| | Flow of Control | The order in which the statements of a Java program are executed. |
| | Data Type | A name for a category of data values that are all related, as in type int in Java that represents integer values. |
| | Expressions | A simple value or a set of operations that produces a value. |
| | Evaluation | The process of obtaining the value of an expression. |
| | Operator | A special symbol (like + or *) used to indicate an operation to be performed on one or more values. |
| | Precedence | The binding power of an operator, which determines how to group parts of an expression. |
| | Variable | A memory location with a name and a type that stores a value. |
| | Declaration | A request to set aside a new variable with a given name and type. |
| | String Concatenation | Combining several strings into a single string, or combining a string with other data into a new, longer string. |
| | Control Structure | A syntactic structure that controls other statements. |
| | Scope | The part of a program in which a particular declaration is valid. |
| | Local Variable | A variable declared inside a method that is accessible only in that method. |
| | Localizing Variables | Declaring variables in the innermost (most local) scope possible. |
| | Infinite Loop | A loop that never terminates. |
| | Pseudocode | English-like descriptions of algorithms. Programming with pseudocode involves successively refining an informal description until it is easily translated into Java. |
| | Class Constant | A name value that cannot be changed. A class constant can be accessed anywhere in the class (i.e., its scope is the entire class). |
| | Parameter | Any of a set of characteristic that distinguish different members of a family of tasks. To parametrize a task is to identify a set of its parameters. |
| | Formal Parameter | A variable that appears inside parentheses in the header of a method that is used to generalize the method's behavior. |
| | Acutal Parameter | A specific value or expression that appears inside parentheses in a method call. |
| | Method Signature | The name of a method, along with its number and type of parameters. |
| | Method Overloading | The ability to define two or more different methods with the same name but different method signatures. |
| | Return | To send a value out as the result of a method that can be used in an expression in your program. |
| | Object | A prgramming entity that contains state (data) and behavior (methods). |
| | Class | A category or type of object. |
| | Index | An integer used to specify a location in a sequence of values. Java gerally uses zero-based indexing (with 0 as the first index value, followed by 1, 2, 3, and so on). |
| | Exception | A runtime error hat prevents program from continuing its normal execution. |
| | Immutable Object | An object whose value cannot be changed. |
| | Constructor | A method that creates and initializes an object. Objects in Java programs must be constructed before they can be used. |
| | Package | A collection of related Java classes. |
| | Import Declaration | A request to access a specific Java package. |
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