Vocabulary

1
Vocabulary
2
Programming Vocabulary

• Jeroo is a fun program. You get to make things
  hop around an island on a great variety of
  adventures.
• In the process you can learn a lot about
  programming.

• Watch closely, you might even want to take some
  notes. Theres a short quiz at the end of this
  presentation!

3
Essential Concepts

• In Jeroo you write your own programs. You type in
  the instructions to make Jeroos follow your
  commands. The code you type in is called your
  source code.
• Definitions
• Program a set of instructions for the computer
• Source code a program written by a programmer
  in a programming language

4
TRANSLATING

• The computer cannot really understand the source
  code you type in. It has to be translated into
  something much simpler that a computer processor
  can understand. The compiler will turn your
  program into a form that can be processed.
• Definitions
• Compiler translates a program (or class) as a
  whole into another form such as byte code or
  machine code
• Java Byte Code intermediate language created by
  the Java compiler. The JVM translates byte code
  into machine code.
• Machine Code program in the form of binary
  codes - a series of 1s and 0s - that are
  understandable by the computers CPU

5

• One really nice thing about Jeroo is that it has
  an interpreter. It translates your source code
  one line at a time and tells the Jeroo to follow
  your instructions one at a time so you can see it
  working.
• Definition
• Interpreter translates a program into machine
  language one statement at a time

6
Essential Concepts

• Before you can write a program, you should have a
  plan. This is your algorithm. Then you have to
  type in your instructions following the syntax of
  the language you are using. Jeroo uses Java
  syntax like this
• Definitions
• Algorithm a plan for solving a problem
• Syntax a set of rules for writing or speaking a
  language
• Semantics the meaning associated with valid
  expressions

7
Essential Concepts - OOP

• A Jeroo is an object. There are things you know
  about it, its properties, that can change, such
  as where it is and how many flowers it has, and
  there are the methods which are things it can do.
• Definitions
• Object represents a specific concept or item
  that is relevant to a problem to be solved.
  There are 3 parts to an object, facts about the
  object, how it is created, and tasks it can
  perform.
• Attribute is a fact associate with a specific
  object. Describes things about the object at the
  current time. Also known as a property or
  instance data.
• Behavior is an action an object can perform in
  response to a request from an external source.
  You write code to turn a behavior into a method.

8
Essential Concepts - OOP

• Method a collection of statements that are
  written in some programming language to describe
  a specific behavior
• Method Precondition something that is assumed
  to be true before the method is invoked
• Method Postcondition something that is assumed
  to be true after the method has been executed

9
Essential Concepts - OOP

• Class is a collection of statements that are
  written in some programming language to describe
  both the attributes (properties) and the
  behaviors (methods) of an object.
• Instantiation the process of creating a
  specific object.Jeroo clyde new Jeroo()clyde
  is an instance of the Jeroo class.This is also
  called constructing an object. Construct
  Instantiate

10
Match words with definitions

1. __Compiler
2. __Object
3. __Algorithm
4. __Byte code
5. __Interpreter
6. __Syntax
7. __Attribute
8. __Source code
9. __Instantiate
10. __Method
11. __Class

1. A plan for solving a problem
2. Translates one line of code at a time
3. Create a new object in your program. Information
   about the current state of an object
4. Part of a program that describes how an object
   can accomplish a particular behavior.
5. Rules of how a language must be written.
6. Translates a whole program all at once
7. Defines properties and methods of an object
8. The code you, the programmer, type in
9. The code the computer understands
10. One thing you can use in your program that has
    attributes and methods