java helloworld be like

HelloWorldWriter.java

public class HelloWorldWriter {
	public void WriteHelloWorld() {
		System.out.println("Hello, World!");
	}
}

HelloWorldWriterFactory.java

public class HelloWorldWriterFactory {
	public HelloWorldWriter CreateHelloWorldWriter() {
		return new HelloWorldWriter();
	}
}

Main.java

public class Main {

	public static void main(String[] args) {
		HelloWorldWriterFactory hwwf = new HelloWorldWriterFactory();
		HelloWorldWriter hww = hwwf.CreateHelloWorldWriter();
		hww.WriteHelloWorld();
	}

}