About the first Java program HelloWorld feeling

Today, the first Java program, strictly speaking, is really starting to study Java's first "Hello World";

1, does not use the automatic hint, although System.out.println () or automatically jumps out, but does not use the third-party editing auxiliary tool.

2, public class to have a method, and they actually directly come up to write the system output statement.

3, the main function in Java is main (String args[]), so reflect on, C # in the main (), and some Web application of the main () function has. To do this, ask a colleague to find out that in C #, the executable program needs the main function.

4, the environment is configured well, after simply hackers a "Hello world", want to get a Java Web project. The result was that eclipse was not installed and installed itself in Java, not JEE.

5. Rewrite the Java EE installation and configure Tomcat. Then run on server error, and then consulted, only to know that unlike VS, F5 will not automatically open the browser, jump to the page.

About the first Java program HelloWorld feeling