Java Programming Tutorial A+method / Material - 26697

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1.  Getting Started - Write your First Hello-world Java Program

2.  Java Terminology and Syntax

3.  Java Program Template

4.  Printing via System.out.println() and System.out.print()


5.  Let's Write a Program to Add a Few Numbers

6.  What is a Program?

7.  What is a Variable?

8.  Basic Arithmetic Operations

9.  What If Your Need To Add a Thousand Numbers? Use a Loop

10.  Conditional (or Decision)

11.  Type double and Floating-Point Numbers

12.  Mixing int and double, and Type Casting

13.  Summary














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1.  Getting Started - Write your First Hello-world Java Program


You should have already installed Java Development Kit (JDK).


Let us begin by writing our first Java program that prints a message "Hello, world!" to the display console, as follows:


Hello, world!


Step 1: Write the Source Code: Enter the following source codes using a programming text editor (such as TextPad or NotePad++ for Windows or gedit for UNIX/Lunix/Mac) or an Interactive Development Environment (IDE) (such as Eclipse or Netbeans - Read the respective "How-To" article on how to install and get started with these IDEs).


Do not enter the line numbers (on the left panel), which were added to help in the explanation. Save the source file as "". A Java source file should be saved with a file extension of ".java". The filename shall be the same as the classname - in this case "Hello".


Java Programming Guide.docx
Java Programmin...