New Year, start!

Although, very early began to learn Java, but has not been implemented, today finally completed, my call to Java, Hello world!

The process is really tortuous, downloaded several times the JDK, after installation and then check whether the second step is installed, always failed, the display javac does not exist, finally in the online look at the various installation version, found that the first to understand your computer system type is what, I do not know I install JDK can not be used, is not because of this cause, but I was to find out my system type, download the corresponding version of the JDK, and then follow the online explanation, the environment is set up, finally successfully opened the Java journey, my Heart is Monkey Sairey.

And then start writing my first program Hello World

This is the ultimate version, I have a lot of mistakes in the process of writing programs

1, first, class, the above program defines a class HelloWorld, the name of the class is the same as the name of the. java file .

2, is a long time do not touch C, did not notice the input symbols when the conversion of Chinese and English .

3, there is, I have not figured out, the situation of the block, where to pipe where, with curly braces {}, brackets [], and the use of parentheses ().

4, and C, the statement is to use;

A long way to go ....

New Year, start!