What is difference between call by value and call by reference? tccicomputercoaching.com

What is difference between call by value and call by reference? tccicomputercoaching.com

tccicomputercoaching.com

tccicomputercoaching.com Call by Value:1) In this actual copy of arguments is passed to formal arguments.

2) Any changes made are not reflected in the actual arguments.

3) It can only be implemented in C, as C does not support call by reference.

4) Actual arguments remain preserved and no chance of modification accidentally.

5) It works locally.

tccicomputercoaching.com Call By reference:1) In this location of actual arguments is passed to formal arguments.

2) Any changes made are reflected in the actual arguments.

3) It can only be implemented in C++ and JAVA. 4) Actual arguments will not be preserved.

5) It works globally.

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