java platform indepent
compiler and interpreter
binary vs byte
OS -NTFS
GUI-Graphical user interface
what is graphical user interface:
A GUI (Graphical User Interface) is a graphics-based interface that lets users interact with a computer using icons, menus, and a mouse. GUIs are used in operating systems and applications.
character user interface
Java History
1)
Java is a platform independent
it is compiled to byte code that can be run on any device that has a Java Virtual Machine (JVM)
2)
Write Once Run Anywhere
:
As long as a system has a compatible JVM installed, the same Java bytecode can run on any platform without modification.
java is compiler: line by line code verification
NTFS : New Technology File System system
6:java history:
*1991 at Sun Microsystems, with James Gosling and his team, initially aiming to develop a language
1991: James Gosling–Oak
1994:java
2023: Java 21 LTS release.
New Technology File System is the primary file system used by Windows operating systems for storing and retrieving files
GUI-Graphical user interface
——————–
binary represents number
byte represents characters
Ref :
https://sparkdatabox.com/blog/why-java-is-platform-independent/#:~:text=Java%20is%20platform%2Dindependent%20because,any%20changes%20to%20the%20code.
暂无评论内容