1. Basic information about
Eclipse and Java!
COM S 207
Simanta Mitra, Ph.D.
Department of Computer Science
Iowa state University
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2. Objectives for this lesson
 At the end of this lesson, students should
1. describe the top functionalities of an IDE
2. know what is Eclipse
3. list the versions of Eclipse
4. know where to go to download the latest versions
of Eclipse
5. know the difference between jre and jdk
6. know where to go to download the latest versions
of jre and jdk
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3. Lets first learn a bit about
Eclipse
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4. What is an IDE?
 Integrated Development Environment (IDE): An
application that is a COLLECTION of tools that helps
you develop software.
 Editor – helps you type in your code (points out
some mistakes)
 Compiler – translates your program
 Runtime environment - Runs your program
 Debugger – helps you locate problems in your code
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5. What is Eclipse?
 Eclipse is an IDE! It is widely used to develop Java
programs.
 Eclipse was originally developed by IBM. Now, it is
an open source project.
 There are several other IDEs. For example,
Netscape and BlueJ.
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6. Eclipse versions
named after moons of Solar system and indicates release date
 Source: http://en.wikipedia.org/wiki/Eclipse_(software)
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7. Where to download Eclipse?
Go to website: http://www.eclipse.org/downloads/
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8. Now, lets learn a bit about Java
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9. What is JRE? JDK?
 The JRE (Java Runtime Environment) is what
you need
 to execute compiled java classes.
 It consists of the "java" executable and java libraries.
 The JDK (Java Development Kit) contains
 it contains all of the JRE
 plus some extra tools/utilities like
 the java compiler
 java debugger
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10. Where to download JRE? JDK?
Go to website: http://www.java.com/en/download/index.jsp
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11. THE END
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