Learn the beginning of Java experience

The study in Oracle has been conducted for two months,

Has started the study of Java,

The first feeling of learning is the rigor of Java, such as data type, rigorous to decimal point.

The first thing to learn today Java most basic operation

Clear screen:CLS;

when DOS console content is too large, you can use the clear Screen command, equivalent to "wipe the blackboard";

For example, C: \ >cls, and then press ENTER.

Toggle Drive Letter::;

By default we are in C , if you want to go to other drive letter can use the command;

For example: C: \ >e, and then press ENTER to go to the E -drive.

Enter the specified directory:cd;

We can use this command when we want to enter a directory;

For example: D:\>CD Develop, so enter the D:\develop directory, of course, you need to ensure that the directory is present;

For example: D:\>CD Develop\java, so it goes into the D:\develop\Java directory.

go back to the top level directory:CD. ; 0

You can use this command when you need to return to the previous level of the directory;

For example: D:\DEVELOP\JAVA>CD. , and then press ENTER to return to the D:\develop directory.

return Disk Descriptor directory:cd\;

You can use this command when you need to return to the current disk descriptor directory;

For example: D:\develop\java>cd\, and then press ENTER to return to the d:/ directory.

displays file and subdirectory information in the current directory:dir;

You can use this command when you need to view all the file and subdirectory information in the current directory;

Run the application: Full name of the program Parameters

You can use this command when you need to run an application;

Learning Java First experience