What is the use of System class in java?Can we override system class?

1...It is generally used when two packages have same class name..   E.g...e java.util....a packge namd java that contains many classes like system, string, reader...

 

 

  The System class provides various utitliy methods and objects. e.g. 1) standard input/output 2) you can access all system properties and environment variables 3) You can load files and libraries 4) You can opcy an array.

 

No it can not be overridden, as it is a final class.