Like c-lang , we have also have functions ( we call methods in Java) , classes , objects , keywords , packages . To clearly know about classes , methods objects in Java , we should have a bit idea on Java API . 



  • API is nothing but the collection of packages , while packages are the collection of classes , and collection of methods are called as classes . That is , in Java , packages consists of classes and classes consists of methods . With the help of object we can make access to classes , methods . 
  • Java is providing a huge number of classes and methods which are used to develop any type of application simply and easily.
  • Along with Java , the Java software is also providing the description fr classes and methods through Java documentation . 


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