CS 112 Introduction to Programming - Yale University

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Writing Java Programs q The basic way is to use a text editor ❍ Example editors: Notepad, emacs, pico, vim, kwrite, kate, gedit, etc. • Note: MS Word is NOT a text editor ❍ The key is that your .java file cannot include any markup or stylistic formatting; just text. ❍ You enter your Java code following Java Language syntax, then you compile it. 6
Writing Java Programs (Step 1): Create/Edit Create/Edit the program by typing it into a text editor, and save it as HelloWorld.java. /******************************************* * Prints "Hello, World" * Everyone's first Java program. *******************************************/ public class HelloWorld { public static void main(String[] args) { System.out.println("Hello, World"); } } HelloWorld.java
Page 1 and 2: CS 112 Introduction to Programming
Page 3 and 4: Java Programming q Programming in J
Page 5: Java Is Simple q All you have to do
Page 9 and 10: Writing Java Programs (Step 3): Exe
Page 11 and 12: Setting up DrJava on your Laptop q
Page 13 and 14: Login, Edit, Compile, Run on a Pant
Page 15 and 16: q White space Syntax: White Space
Page 17 and 18: Using comments q Where to place com
Page 19 and 20: Questions q What is the output of t
Page 21 and 22: Questions q What println statements

CS 112 Introduction to Programming - Yale University

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