Languages

Pointers in C language
FACEPrep · 10 min read
Advantages of using pointers, their declaration and accessing methods are explained here.
Why is C middle level language
FACEPrep · 5 min read
This articles discusses about the programming environment in C and why is it called a middle level language.
Difference between Compiler and Interpreter
FACEPrep · 5 min read
The major differences between a compiler and interpreter are given here.
Stages of compiling a C program
FACEPrep · 5 min read
The functions of compiler,linker, loader and assembler and the stages of compiling a c program are clearly explained here.
Advantages of C programming
FACEPrep · 5 min read
C programming has several advantages when compared with other programming languages. These are listed here.
C programming basics
FACEPrep · 5 min read
The structure of C and a few basic programs are discussed here.
Keywords and Variables in C
FACEPrep · 5 min read
Varaibles and Keywords in C are explained in this article.
Difference between static and global variables in C
FACEPrep · 5 min read
The difference between static and global variables is explained here.
Data Types in C
FACEPrep · 5 min read
This articles discusses about different data types, their memory requirements and the rules for declaring the data types.
Storage Classes in C
FACEPrep · 5 min read
Storgae classes in C are explained here with examples.
Returned values of Printf, Scanf and other functions in C
FACEPrep · 5 min read
Return type of various functions like scanf, prinf are discussed here.
Operators in C | Part1
FACEPrep · 5 min read
This article discusses about various operators in C like arithmetic, relational and logical operators.
Operators in C | Part2
FACEPrep · 5 min read
This article discusses about various operators in C like bitwise, conditional and special operators
Introduction to Arrays
FACEPrep · 5 min read
This articles explains about arrays. Types of arrays, their declarations, accessing methods etc are explained here.
Strings in C
FACEPrep · 5 min read
Strings in C, their declaration, initialization etc are discussed in this article.
String Handling Functions
FACEPrep · 5 min read
Various string handing functions with syntaxes and examples are discussed here.
If statements in C
FACEPrep · 5 min read
Various if control statements used in C are discussed below.
Switch Case in C
FACEPrep · 5 min read
Switch case statements in C with examples and the significance of break statements is explained in this article.
For loop in C
FACEPrep · 5 min read
Various looping statements are explained in this article.
Goto statement in C
FACEPrep · 5 min read
Goto statement in C is explained here with suitable examples.
Break and Continue statements in C
FACEPrep · 5 min read
This article explains about break and continue statements with suitable examples.
Functions in C
FACEPrep · 5 min read
Types of functions in C, their advantages, declaration methods are explained in this article.
Void and Null pointers in C
FACEPrep · 5 min read
The difference between void pointer and null pointer is explained in this article.
Dangling pointer in C
FACEPrep · 5 min read
This article discussed about dangling pointer in C and its occurences.
Difference between arrays and pointers
FACEPrep · 5 min read
The differences between arrays and pointers are discussed in this article.
Types of user defined functions in C
FACEPrep · 5 min read
Different types of user defined functions are explained with examples.
Recursion in C
FACEPrep · 5 min read
Recursive functions in c are explained with suitable examples.
Difference between pass by value and pass by reference
FACEPrep · 5 min read
The difference between pass by value and pass by reference are explained here with examples.
Structures in C
FACEPrep · 5 min read
The definition of structure, declaration of structure variables and accessing the structure variable are explained in this article with examples.
Union in C
FACEPrep · 5 min read
Union, its declaration are discussed here with examples.
Difference between structure and union
FACEPrep · 5 min read
This article discussed the differences between structure and union.
Malloc and Calloc in C
FACEPrep · 5 min read
The difference between malloc and calloc is explained here.
Swap two numbers without third variable
FACEPrep · 5 min read
C program to swap two number without using a temporary third variable is explained below.
C program to check leap year
FACEPrep · 5 min read
Program to check if a year is leap year or not is explained here.
factorial of a number in C
FACEPrep · 5 min read
Program to find the factorial of a non-negative number in C
Fibonacci series in C
FACEPrep · 5 min read
C program to display Fibonacci series is explained here.
GCD of two numbers in C
FACEPrep · 5 min read
GCD of two numbers in C is implemented in this article.
LCM of two numbers in C
FACEPrep · 5 min read
C program to find the LCM (Lowest Common Multiple) of two numbers is explained below.
Reverse a number in C
FACEPrep · 5 min read
C program to reverse a given number is explained here.
Check whether a number is palindrome or not in C
FACEPrep · 5 min read
C program to check whether the given number is a palindrome or not is explained below.
Check whether a number is a prime number or not in C
FACEPrep · 5 min read
C program to check if the given number is a prime number or not is explained below.
C program to check if given number is armstrong or not
FACEPrep · 5 min read
C program to check if the given number is an armstrong or not is explained here.
Pattern programs in C
FACEPrep · 5 min read
How to print various patterns in C is explained in this article
Pascal's and Floyd's triangle in C
FACEPrep · 5 min read
C program to print Pascal's Triangle and Floyd's Triangle is explained below.
Introduction and uses of C++
FACEPrep · 5 min read
Origin and uses of C++ are discussed in this article.
Basic Concepts of OOPS
FACEPrep · 5 min read
Basic concepts of Object Oriented Programming and its benifts are explained here.
C++ basic syntax
FACEPrep · 5 min read
Structure of C++ and basic syntax are explained here.
Classes and Objects in C++
FACEPrep · 5 min read
Classes and objects in C++ are discussed here.
Access Specifiers in C++
FACEPrep · 5 min read
It describes about the various access specifiers in C++
Inheritance in C++ | Part 1
FACEPrep · 5 min read
Inheritance uses, types, their modes are explained here.
Inheritance in C++ | Part 2
FACEPrep · 5 min read
Inheritance and member accessibility is discussed here
Polymorphism in C++
FACEPrep · 5 min read
Polymorphism and it's types are discussed in this article
Overloading in C++
FACEPrep · 5 min read
Function overloading, operator overloading and function overriding are discussed below.
Virtual Functions in C++
FACEPrep · 5 min read
The need for Virtual Functions and their rules for virtual functions with examples are discussed here.
Encapsulation in C++
FACEPrep · 5 min read
Encapsulation is explained here with example.
Data Abstraction in C++
FACEPrep · 5 min read
Abstraction is exaplained with examples in this article
Member functions in C++
FACEPrep · 5 min read
Member functions, their types and characteristics are discussed here.
Static data members in C++
FACEPrep · 5 min read
hi
Constructors in C++
FACEPrep · 5 min read
Constructors and its types are discussed in this article.
Constructor Overloading in C++
FACEPrep · 5 min read
Constructor overloading is explained here with an example.
Destructors in C++
FACEPrep · 5 min read
Destructor and its characteristics are discussed in this article.
Java | Environment
FACEPrep · 5 min read
In this article we will discuss about JDK, JRE, API and JVM environments of java.
Java | Introduction
FACEPrep · 5 min read
In this article we will discuss about the introducing concepts of java.
Java | Difference between C and Java
FACEPrep · 5 min read
In this article, we will see the differences between C and Java
Java | Difference between C++ and Java
FACEPrep · 5 min read
In this article, we will see the differences between C++ and Java
Java | Features
FACEPrep · 5 min read
In this article we will discuss about various features of java like simplicity, security, portability etc
Java | Access Modes
FACEPrep · 5 min read
In this article we will discuss about public, private, protected and default access modes of java.
Java | Naming Conventions
FACEPrep · 5 min read
In this article we will discuss about the naming conventions of java.
Java | Sample program
FACEPrep · 5 min read
In this article we will see a basic sample program in java
Java | main() Method
FACEPrep · 5 min read
In this article we will see the importance of a main method in java.
Java | Program Execution
FACEPrep · 5 min read
In this article we will see the execution of a sample program in java.
Java | Getting user Input
FACEPrep · 5 min read
In this article we will see how to get a input from the user in java.
Java | Scanner Class
FACEPrep · 5 min read
In this article we will discuss about how to get a user input in java using scanner class
Java | Object Orineted Programming Concepts
FACEPrep · 5 min read
In this article we will discuss about the object oriented concepts like encapsulation, inheritance and polymorphism.
Java | Tokens
FACEPrep · 5 min read
In this article we will discuss about tokens in java like reversed keywords, identifiers, literals, operators and separators.
Java | Datatypes
FACEPrep · 5 min read
In this article we will discuss about various data types in java like integers, floating points, char and boolean.
Java | Variables
FACEPrep · 5 min read
In this article we will discuss about the types of variables in Java.
Java | Type Conversions
FACEPrep · 5 min read
In this article we will discuss about the type conversions in java namely implicit, explicit etc.
Java | Operators
FACEPrep · 5 min read
In this article we will discuss about the different types of operators in java.
Java | Decision making statements
FACEPrep · 5 min read
In this article we will discuss about decision making statements called if and switch
Java | Loops
FACEPrep · 5 min read
In this article we will discuss about the various types of loops in Java like for, foreach, etec
Java | Arrays
FACEPrep · 5 min read
In this article we will discuss about arrays and its concepts.
Java | Multidimensional Arrays
FACEPrep · 5 min read
In this article we will discuss in detail about multi dimensional arrays
Java | Ragged Array
FACEPrep · 5 min read
In this article we will discuss about a concept called ragged (or) jagged array.
Java | Classes and Objects
FACEPrep · 7 min read
In this article we will discuss the concepts of classes and objects in Java.
Java | Parameters
FACEPrep · 5 min read
In this article we will discuss about method taking parameters.
Java | Constructors
FACEPrep · 6 min read
In this article we will discuss about constructor and parameterized constructor.
Java | Overloading and Copy constructors
FACEPrep · 10 min read
In this article we will discuss about the overloading constructors and copy constructors
Java | Argument Passing
FACEPrep · 5 min read
In this article we will discuss about two types of argument passing.
Java | Types of classes
FACEPrep · 5 min read
In this article we will discuss about the types of classes like static class and non-static class in nested classes.
Java | Static Method
FACEPrep · 3 min read
In this article we will discuss about the static method in java.
Java | Var-args method
FACEPrep · 5 min read
In this article we will discuss about the var-args method in java.
Java | Static and Dynamic memorys
FACEPrep · 3 min read
In this article we will see the difference between static memory allocation and dynamic memory allocation.
Java | Garbage Collection
FACEPrep · 5 min read
In this article we will discuss about the garbage collection.
Java | Strings
FACEPrep · 7 min read
In this article we will discuss about different types of strings
Java | StringBuffer Class
FACEPrep · 5 min read
In this article we will discuss about StringBuffer class in detail.
Java | StringBuilder Class
FACEPrep · 2 min read
In this article we will discuss about StringBuilder class in detail.
Java | Wrapper Class
FACEPrep · 5 min read
In this article we will discuss about wrapper class in detail.
Java | Character class
FACEPrep · 5 min read
In this article we will discuss about the character class in detail.
Java | Vector class
FACEPrep · 5 min read
In this article we will discuss about the vector class in detail.
Java | Calendar class
FACEPrep · 10 min read
In this article we will discuss about the calendar class in detail.
Java | Autoboxing and Auto-Unboxing
FACEPrep · 5 min read
In this article we will discuss about the concepts of autoboxing and auto-unboxing.
Java | Inheritance
FACEPrep · 5 min read
In this article we will discuss various types of inheritances namely single, multilevel, hierarchical, multiple and hybrid inheritance.
Java | Polymorphism
FACEPrep · 5 min read
In this article we will discuss about the polymorphism concept in Java.
Java | Abstract Classes
FACEPrep · 5 min read
In this article we will discuss about abstract classes.
Java | Interface
FACEPrep · 5 min read
In this article we will discuss about the interfaces in java.
Java | Exception Handling
FACEPrep · 5 min read
In this article we will discuss about the exceptions and its concepts.
Java | Chained Exceptions
FACEPrep · 5 min read
In this article we will discuss about the topic chained exceptions
Java | Multithreading
FACEPrep · 5 min read
In this article we will discuss about the concept of multithreading.
Java | InterThread Communication
FACEPrep · 5 min read
In this article we will discuss about Inter Thread communication
Java | Deadlock
FACEPrep · 5 min read
In this article we will discuss about the concept of deadlock.
Java | Synchronization
FACEPrep · 5 min read
In this article we will discuss about the process of synchronization.
Java | Packages
FACEPrep · 5 min read
In this article we will discuss about the predefined packages and packages.
Java | I/O Streams
FACEPrep · 5 min read
In this article we will discuss about the I/O streams in detail.
Java | File class
FACEPrep · 5 min read
In this article we will discuss about the file classes.
Java | Applets
FACEPrep · 5 min read
In this article we will discuss about the various concepts applets in Java.
Java | AWT Controls
FACEPrep · 5 min read
In this article we will discuss about the AWT controls in Java.
Java | Event Handling
FACEPrep · 5 min read
In this article we will discuss about event handling concepts.
Java | Frames
FACEPrep · 5 min read
In this article we will discuss about the frames in Java.
Java | Adapter classes
FACEPrep · 5 min read
In this article we will discuss about adapter classes.
Java | Java Database Connectivity(JDBC)
FACEPrep · 5 min read
In this article we will discuss in briefly on the topic of java database connectivity.
Comparison between Python and other programming languages
FACEPrep · 5 min read
The various advantages and disadvantages of Python over other languages are explained in detail.
Installing Python and exploring different optional software's for a comfortable performance. Atom/ Pycharm.
FACEPrep · 5 min read
Installing Python and exploring different optional software's for a comfortable performance. Atom/ Pycharm
Basic Arithmetic Operations in Python3
FACEPrep · 5 min read
Basic Arithmetic Operations in Python3
Finding the Type of Variable in Python and Their Conversions
FACEPrep · 5 min read
Finding the Type of Variable in Python and Their Conversions
Conditional statements in Python
FACEPrep · 5 min read
The syntax and use of different conditional statements in Python with examples.
Taking Input from user in Python
FACEPrep · 5 min read
This article teaches you how to take input from the user and use them in the program
Try and Except conditional statements
FACEPrep · 5 min read
Avoiding error terminations in the program using try and except conditional statements in Python.
Functions in Python
FACEPrep · 5 min read
Functions in Python, Syntax and Uses explained in detail
Functions with Parameters and use of return values
FACEPrep · 5 min read
Functions with multiple parameters with return values are explained with examples.
Break and Continue
FACEPrep · 5 min read
Break and Continue statements are explained with apt examples.
String Manipulations in Python | Part - 1
FACEPrep · 5 min read
string manipulations such as in, addition/concatenating, appending, multiply and length of a string are explained in this article.
String Manipulations in Python | Part - 2
FACEPrep · 5 min read
string manipulations such as find, replace, slice, upper and lower are explained in this article.
Files in Python
FACEPrep · 5 min read
Files and their modes are explained with apt examples.
Program to Extract Needed Info From Random Data
FACEPrep · 5 min read
Extract required information from large unwanted data using Python
Print patterns in Python | Part - 1
FACEPrep · 5 min read
Programmable solutions to print different patterns in Python language.
Print patterns in Python | Part - 2
FACEPrep · 5 min read
Printing patterns in Python programming language.
Lists in Python | Part 1
FACEPrep · 5 min read
Operations on Lists ( Data structures) in Python
Lists in Python | part 2
FACEPrep · 5 min read
Advanced operations on Lists in Python
Finding avg of continuous numbers in normal method Vs by using data structures
FACEPrep · 5 min read
Find the average of continuous numbers entered by the user until the user enters "done" indicating the end of the program. 1.basic loops in Python. 2.by using data structures.
Lambda function in Python
FACEPrep · 5 min read
Explained lambda function in Python with apt examples.
Introduction to Dictionaries in Python
FACEPrep · 5 min read
Dictionaries in Python. Accessing values, adding, updating and deleting elements from a dictionary are discussed in this article
Advanced Operations on Dictionaries in Python
FACEPrep · 5 min read
Advanced operations on Dictionaries in Python
Advanced method - Program to count the number of words in a file using dictionaries
FACEPrep · 5 min read
Finding the max repeating word in a file using dictionaries.
split() and map() Functions to take Multiple Inputs
FACEPrep · 5 min read
Intake many test cases, each with several different values in an organised format using split() and map() functions.
map(), zip(), reduce(), and filter() functions in Python
FACEPrep · 5 min read
map(), zip(), reduce(), and filter() functions are explained with examples in Python
eval(),exec, execfile() and compile() functions in Python
FACEPrep · 5 min read
eval(),exec, execfile() and compile() functions are explained with apt examples in Python programming language
Bitwise Operators in Python
FACEPrep · 5 min read
Bitwise Operators are explained with apt examples in this article.
Importing Modules in Python
FACEPrep · 5 min read
Creating and Importing different modules from the library in Python.
Regular expressions in Python
FACEPrep · 5 min read
Regular expressions and their functions are explained in this article.
Regular Expressions, Examples, Greedy and Non-Greedy expressions
FACEPrep · 5 min read
Implementation and Applications of regular expressions in Python.
Regular expressions_Extracting Necessary Information from Random Data
FACEPrep · 5 min read
Regular expressions_Extracting Necessary Information from Random Data
Classes and Object-oriented Programming in Python
FACEPrep · 5 min read
Classes, Class instances and introduction to object oriented programming in Python
Backend of a Computer game using Python
FACEPrep · 5 min read
Backend program of a computer game to check the health of the player at every instance using class and object oriented programming in Python.
init function in Python
FACEPrep · 5 min read
The __init__ function in Python and its uses with apt examples.
Class Vs Instance Variables in Python
FACEPrep · 5 min read
Class Variable's and Instance Variable's are explained in detain with an example.
Inheritance concept in Python
FACEPrep · 5 min read
Inheritance concept in Python is explained with an apt example.
Multiple Inheritance concept in Python
FACEPrep · 5 min read
Multiple Inheritance concept is explained with Super Mario example.
Threading in Python
FACEPrep · 5 min read
Threading concept for Multi-tasking in Python is explained with an apt example in this article.
Polymorphism in Python
FACEPrep · 5 min read
Polymorphism is explained with an apt example.
Information Hiding in Python
FACEPrep · 5 min read
Information Hiding, Public and Private attributes are explained with an apt example.