Công cụ cần thiết để lập trình java

- Bộ JDK 1.5, 1.6
- IDE: Editplus, Netbean, Eclipse

1. Install JDK
- Download
- Install
2. Set path environment for java in WINDOWS
- Right click My Computer, choose Propertites, Click tab Advanced, Click button Environment Variables
- In system variables section, choose variable "Path", click button Edit
- In the end of textbox "Variable value", input ; and path of jdk folder installation
example :
- before: ...%SystemRoot%\System32\Wbem
- after: ...%SystemRoot%\System32\Wbem;C:\j2sdk1.4.2_02\bin


3. Install Editplus

4. Config Editplus to compile and run java

- Click menu Tools, choose Configure user tools,
- Click group name to set new group "Java"
- Click Add Tool>> Program


- Set for run java: Command: ...java.exe , Argument: $(FileNameNoExt)

5. Test first program "Hello World!"

- open editplus, choose a directory, new file hello.java
- input this text

public class hello {
public static void main(String[] arguments) {
System.out.println("Hello World");
}
}

Save lại với tên file là hello.java

- Compile: Ctrl + 1, nó sẽ tạo ra một file class: java.class
cú pháp dịch bằng tay : javac hello.java
- Run: Ctrl + 2
cú pháp run bằng tay : java hello

6. Using Eclipse