RathoreDevansh08/Java_Notes

Java practice notes

Java

Java_Notes

Java practice notes

History:

CREATORS > James Gosling, Mike Sheridan, and Patrick Naughton
TIME OF ORIGIN > June 1991
STABLE RELEASE > Java SE 14 / March 17, 2020; 56 days ago
DEVELOPERS > Sun Microsystems

Description:

TYPING DISCIPLINE > Static, strong, safe, nominative, manifest
PARADIGM > Multi-paradigm: generic, object-oriented (class-based), imperative, reflective
FILE NAME EXTENSIONS > .java, .class, .jar
WEBSITE > oracle.com/java/

Installation for Ubuntu Linux:

NOTE: Prior to any step of installation, update the package index -

            sudo apt update

Java Runtime Environment (JRE) >
- To check if its already installed (version check) -
```
      java -version    
```
- If Java is not currently installed -
```
      sudo apt install default-jre  
```

Java Development Kit (JDK) >
- To check if its already installed (version check) -
```
      javac -version    
```
- If Java is not currently installed -
```
      sudo apt install default-jdk
```

References/Sources: