What is javase, written for people who first come into contact with Java
Fundamentals of Java syntax
Build java development environment
Java overview
Javase is the standard version of Java classification. It is the basic knowledge to learn when you first come into contact with Java.
Java EE is the enterprise version of Java classification. It is an advanced in Java and involves a wide range of knowledge.
M in javame is the abbreviation of micro, which is used in embedded and other electronic devices.
DOS command
Steps to call DOS window: win Icon + R > Enter CMD > Enter:
Some common DOS commands:
Clear screen: CLS
Switch drive letter:
Enter the specified directory: CD
Return to the previous Directory: CD
Return to the root directory of the drive letter: CD\
Displays the file and subdirectory information in the current directory: dir
Introduction to Java development environment
Where: JDK = JRE + development tool; JRE = JVM + class library.
Software developers need JDK. If they only need to run java files, they only need to install JRE.