Last active
December 30, 2018 06:37
-
-
Save tharinduwijewardane/d70464cee4cf859d69e9c206b7bc5039 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Code sample | Java meaning | C++ meaning | |
---|---|---|---|
X x; | Declares the variable x of class X. This does not creates an object | Creates the object x of class X (on stack) | |
X x = new X(); | Declares variable x and creates and assigns an object | Invalid syntax | |
X* x; | Invalid syntax | Declares a pointer of type X. Same as declaring a variable in Java | |
X* x = new X(); | Invalid syntax | Declares a pointer of type X and assigns an object created (on heap) | |
X& x = y; | Invalid syntax | Declares a reference of type X and assigns another object which was previously created. A reference cannot be declared without initializing. The concept of reference does not exist in Java. |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment