By QuickJava, you can write Java program in a procedural paradigm, without classes concepts (useful for newbie).
If you run it on a Linux host, you need Oracle JDK or Openjdk, bash terminal, MAKE tools and a text editor (nano or gedit) installed on your linux distro. If you want run qjide (GUI version), you need QT libs 4.8.
QuickJava can be runned on Windows using Cygwin environment and Notepad++ as editor.
WRITING THE FIRST PROGRAM: HELLO WORLD
Open terminal, move into quickjava directory and create new project with make:
user@hostname ~/quickjava $ make new PRJ=my_project
Creating main.java..OK
Generating Makefile..OK
Makefile found
Project my_project created into directory workspace
Copying libs to workspace/my_project/lib/ ...OK
You can see your project into workspace/ folder. You should write code into main() function into workspace/my_project/main.java file. For output stream, you can use standard Java statement, like System.out.print() or System.out.println().
Example:
void main(String[] args)
{
System.out.print("Hello Word!\n");
}
To run it, type 'make run PRJ=my_project' in terminal:
lele@ema-notebook ~/quickjava $ make run PRJ=my_project
Removing old class files..OK
Removing old java files..OK
Creating Java code from quickjava sources..OK
Creating class files..OK
Creating jar files..OK
Removing old class files..OK
Running..
Hello Word!
QuickJava program terminated successfully.
The compiled jar file is into workspace/my_project/build/Main.jar. The "translated" java file is into jsrc/ directory.
Install
For install tutorials, writing new class and libs, you can read docs/start.txt file