Two elements of complex data types are not directly comparable. Consider the student structure defined as below struct Student { int rollNo; char name[25]; char grade; }; Student arr[MAX_NUM_STUDENTS]; Objects of Student type are not directly comparable. To sort array arr, we need to specify how one student compares with another student. If there are […]

What improvement has java-8 made that performance of HashMap.get() function call is fast by 20% in Java-8.

Generic programming, loosely means that the code we have written is type-independent. It is a larger topic, macros in C language also comes under generic programming. In this post we are only discussing generic pointers.

How will you find minimum of three integers without using any comparison operator ?

Write a class which will implement the Stack data structure in C++. Give the declaration & definition of the class. Also define the Node. For simplicity, you may assume stack to hold integer data type.