Evolution of Computer In today’s world computer plays a vital role in everyday life. Almost in every house we can find a computer. The computer has become a basic need to the human life. The reason behind it is everyone wants their work to be completed faster and in a …
Read More »String Builder : A Comprehensive Guide
String builder in Java is a class. It is like string objects, except that they can be modified. String Builder class is available in java.lang package. Internally String builder objects are treated like variable length arrays which contain sequence of characters. At any point of time, the length and content …
Read More »Why String Immutable
Before going into the discussion first need to know about the mutable and immutable. Mutable means it can be modified immutable means it cannot be modified once it is created. Strings in Java are immutable i.e. once the string is created it cannot be modified. More over a string in …
Read More »StringBuffer in Java
A string buffer is similar to String, but the difference is string cannot be modified but String Buffer is modified. String Buffer is thread safe and mutable sequence of characters. At any point in time it contains some particular sequence of characters, but the length and content of the sequence …
Read More »Structures in C
Declaration of Structures: Method 1: A structure is a user defined data structure in c language. To declare a structure you must start with the keyword struct followed by the structure name or structure tag and within curly braces the list of the structure’s member variables. It does not create …
Read More »Scientist Names – Inventions
SnoScientist NameInvention Name 1 A. Celsius Centrigrade scale 2 A.L. and J.L. Lumiere Cenema 3 A.L. Breguet Watch 4 A.Parker Celluloid 5 Adolph Rickenbacker electric guitar 6 Alessandro Volta Electric Battery 7 Alexander Fleming Penicillin 8 Alexanderson Radio transmitter 9 Alfred B. Nobel Dynamite 10 Alfred Binet I.Q. Test 11 …
Read More »Multithreading In Java
Hi techies, in this blog I am going to explain what is multithreading and what are its uses. Before going to discuss about multithreading first we need to know about what is thread. Java is multithreaded programming language it is one of its feature. A thread is a light weight …
Read More »Oracle – Tutorial Part -1
Know the database management concept is essential to everyone, as a fresher must have knowledge in any database like MySql, Oracle..etc. Now I am using Oracle to give brief explanation about the creation deletion updating of the database table. Oracle provides Enterprise, mobile Express editions. Express edition is light weight …
Read More »Linux Operating System
Linux is an operating system like windows. An operating system is software that manages all of the hardware resources associated with your desktop or laptop. Operating system communicates between hardware and software of your PC/Laptop. Linux is a clone of UNIX. Linux is an idea of Linus Torvalds, he worked …
Read More »Short Cut Keys for Windows Operating System
Functional Keys and General Short cut keys F1 [Display Help] F2 [Rename the selected item] F3 [Search for a file or folder] F4 [Display the address bar list in File Explorer] F5 [Refresh the active window] F6 [Cycle through screen elements in a window or on the desktop] F10 [Activate …
Read More »