Computer Science 119

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Computer Science 119
Intro to Java 1/11 and 1/14
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Monday 1/18/15 MLK Day

• No class

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Computer Science 119

• Beginning Level Course
• No Previous Programming Assumed
• Quite a Bit of Time Spent on Programs and Online
  Reading

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Today

• Attendance
• Discuss Syllabus
• What is Java?
• How to Execute a Java program.
• Zybooks assignment

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Syllabus

• You should have a copy

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Programming

• What is a Program?
• What is a Programming Language?

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Java

• Written by James Gosling and others, 1995
• Sun Systems
• Now at Oracle
• Object Oriented
• Platform Independent
• bytecode runs on any computer with a JVM
• Can run with an Internet browser
• Applets vs. Applications

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Where is Java Used?

• Can be used to develop apps for Android phones.
• Clearwater Analytics in Boise uses it to write
  programs to do asset management.
• Good language for learning object oriented
  programming.

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Classes and Objects

• To create two objects of type Planet
• public class Planet
• // class definition
• Planet earth, mars

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Executing Java Program

• Login to onyx.
• Edit the program
• Can use any editor, but we'll use eclipse.
• Save to compile the program.
• Execute the program.
• Logout of onyx.
• How to do this.

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Reading Assignments

• From the links on my website
• Read from the beginning though files and
  directories of Beginners Guide of Guide for Linux
• It is NOT required that you download eclipse.
  JUST READ the Beginners Eclipse Tutorial for now.
  You will have access to eclipse on onyx in the CS
  dept.
• For next week
• Complete Using zyBooks.
• Complete sections 1.1 through 1.6 in zyBooks.
• Challenge Questions are due 1/28 for M, 1/25 for
  Th