What is Go Language ? | Comingfly

What is Go Language ?

What Go Language? :-

v  Go is a modern, general purpose language.

v  A new ,Open source Programming language.

v  Concurrent , Builds fast at scale.

v  Go language is very fast.

v  Garbage-Collected.

v  Lightweight syntax.

v  Simple type system.

v  Productive.

v  Simple.

v  Fun

History of Go language :-

Go language developed by Rob Pike  and Ken Thompson.

More than 250 contributors join the project.

  Design began late in 2007.

  Become open source in 2009.

  Version is 1.2.2.

Feature of Go language ?

v  In the current world, languages don't help enough.

v  Computers fast but software construction slow.

v  Efficiency.

v  Safety.

v  Speed.

v  Concurrency.

v  Scalability.

v  Fast development cycle.

v  No surprises.

v  Multi-core

Why Developed a Language ?
Google has big problem ?

q  Go is a programming language designed by   

   Google to help solve Google’s problems.

What Problems ?

1.        Hardware is big and the software is big.
2.         There are many millions of lines of software. 
3.        Thousands of engineers work on the code.
4.          C++ for servers , plus lots of java & python.

Today Who Uses Go Language ?

• 1.   GOOGLE
  2.   YOU-TUBE
  3.  AMAZON.COM
  4.   MOZILLA
  5.   NOKIA
  6.   BITLY
  7.   GLOBO.COM
  8.   CANONICAL
  9.   VIMEO
  10.   JUJU
  11.   SOUNDCLOUD
  12.   DOCKER
  13.   TUMBLR.

Command for Go Language :-

v  fmt - run gofmt on package sources.

v  build - compile packages and dependencies.

v  clean - remove object files.

v  env - print Go environment information.

v  test - test packages.

v  tool - run specified go tool.

v  version - print Go version.

v  list - list packages.

v  Run - compile and run Go program.

v  func –  Celled Go function.

Example:-

#  Hello World

1. Package main                             
2.                                                    
3. Import “fmt”                              
4.                                                    
5. Func main()                               
6. {                                                 
7.   Fmt.Printf(“Hello,World ! \n”)
8. }                                                

Features:-

v  Multi platform Language .

v  Static Language .

v  Type-safe / Memory-safe.

v  Garbage collected.

v  Fast Compilation.

v  No Inheritance.

v  No overloading.

v  Multiple return value.

Advantage of Go Language :-

v  It’s easy to learn.

v  Golang has a Open source by nature.

v  Golang has a garbage collector language.

v  The language is fast.

v  Compiled directly to machine code.

Disadvantage of Go Language:-

v  A young language, so it is still developing.

v  Runtime safety is not that good.

v  Absence of manual memory management.

v  Error handling isn’t perfect.

Used on Go language :-

v  System Programming.

v  Cloud Computing.

v  Web Development.

v  Gamified.

v  Social.

Acceptance:-

Go was the 2009 TIOBE "Language of the year" two months after it was released and it won an InfoWorld BOSSIE award.