How are parameters passed in Java?
See this for detailed description. In Java, parameters are always passed by value. For example, following program prints i = 10, j = 20. My… Read More »
Initialization of a multidimensional arrays in C/C++
In C/C++, initialization of a multidimensional arrays can have left most dimension as optional. Except the left most dimension, all other dimensions must be specified.… Read More »
How does default virtual behavior differ in C++ and Java ?
Default virtual behavior of methods is opposite in C++ and Java: My Personal Notes arrow_drop_up Save Practice Tags : Java
G-Fact 11
Following relationship holds in any n-ary tree in which every node has either 0 or n children. L = (n-1)*I + 1 My Personal Notes… Read More »
Comma operator should be used carefully
In C and C++, comma is the last operator in precedence table. So comma should be carefully used on right side of an assignment expression.… Read More »
Pre-increment (or pre-decrement) in C++
In C++, pre-increment (or pre-decrement) can be used as l-value, but post-increment (or post-decrement) can not be used as l-value. My Personal Notes arrow_drop_up Save… Read More »
Rules for operator overloading
In C++, following are the general rules for operator overloading. My Personal Notes arrow_drop_up Save Practice Tags : CPP
Self assignment check in assignment operator
In C++, assignment operator should be overloaded with self assignment check. My Personal Notes arrow_drop_up Save Practice Tags : CPP
Virtual Destructor
Deleting a derived class object using a pointer to a base class that has a non-virtual destructor results in undefined behavior. To correct this situation,… Read More »
Output of C++ Program | Set 2
Predict the output of below C++ programs. My Personal Notes arrow_drop_up Save
Virtual functions in derived classes
In C++, once a member function is declared as a virtual function in a base class, it becomes virtual in every class derived from that… Read More »
What is conversion constructor in C++?
In C++, if a class has a constructor which can be called with a single argument, then this constructor becomes conversion constructor because such a… Read More »
Inheritance and friendship
In C++, friendship is not inherited. If a base class has a friend function, then the function doesn’t become a friend of the derived class(es).… Read More »
Print all combinations of balanced parentheses
Write a function to generate all possible n pairs of balanced parentheses. My Personal Notes arrow_drop_up Save Improved By : Mithun Kumar, SmilingBuddhaPractice Tags :… Read More »
RTTI (Run-time type Information) in C++
In C++, RTTI (Run-time type information) is a mechanism that exposes information about an object’s data type at runtime and is available only for the… Read More »