Dy0l
1. Basic and environment
1.1 commonly used DOS command level shortcuts
- dir: lists of files and folders
- md: Create a directory
- rd: delete the directory
- cd: enter directory
- cd ...: return parent directory
- cd: Return the root directory
- del: delete files
- exit: exit the dos command line
to add: echo javase> 1.doc - ← →: Move the cursor
- ↑ ↓: access to the command history
- Delete and Backspace: delete a character
#### 1.2 development environment to build and path environment variable configuration
- JDK = JRE + development tools (e.g., tools compile Javac)
- JRE = JVM + Java SE standard library
Download: www.oracle.com all the way to the next step.
Path environment variable configuration:
