Deepak Kumar Knowledge

Database  Architecture  Database store a lot of critical information to access data quickly and security we need to select the correct architecture for efficient data for management client for the machine is the database architecture client  . Database management system architecture help user to get their into a request done file connecting with database . We choose the database architecture based on the following factures  1.Size of the database                                                                            2.Number of users                                                                      ...

Java AWT is an API to developer GUI and window based application in java. Java AWT provide a huge set of reusable GUI component for such as buttons text fill label panel and frame for building GUI at the applications. AWT consist of twelve packages but only two packages are commonly used. . AWT provides a set of classes and interfaces that help the developer to create components such as buttons, text fields, labels, checkboxes, menus, windows. This is a platform-dependent API of Java, that is its implementation depends on the native GUI components of the menus operating system. 1. Features of Java AWT :- The java AWT packages contains the core AWT graphics classes such as text fill. . GUI components classes such as text fill label. . GUI container classes , frame panel. . Layout managers such as flow layout border layout , grid layout. . Custom graphics classes such as col and font. . Platform-dependent :-Uses Native OS components. . Provides GUI Components :- Button, Label, Text F...

                                                                           Computer Engineering Computer Engineering is an engineering branch that is a combination of Computer Science and Electronics Engineering. Digital logic in design computer organization and architecture microprocessor in the system and interfacing computer networks and operating system. In this you learn the design, development and maintenance of both hardware (physical parts of the computer) and software (programs, applications, operating systems). 1.Scope of Computer Engineering                                                         . Computer Engineering students are taught these things:...

                          Digital Marketing Digital Marketing means promoting products and services using the Internet and digital technology. In this, online platforms and digital tools are used instead of traditional marketing (such as posters, TV ads).  It allows businesses to reach a larger audience at a lower cost , target the right customers more accurately , and measure the results in real time .  .Digital marketing means promoting product service on online platform . it come with technology SEO Ads social media .email , content, mobile marketing .it is faster and more effective traditional marketing.                                                                                       ...

                                          Constants   Constants in java refer to fixed values do not change during the execution of a program , Java support several types  of constants as illustrated. .Integer  Constants      An integer constant refer to a sequence of digits , There are three types integers .namely decimal imager octal integers and hexadecimals integers . Decimal integers consist of a set of thing preceded by an optional minus sign Valid of decimals integer constant  .Variables  A variable is an identifier that denotes a storage location seed to store a data value unlike constant that remain unchanged during the execution of a program , a variable may take different values at different times during the execution of the program ,we had used several variable for instance , we used variables length and breath to store the values o...

                                              Java Virtual Machine All language compiler translate source code into machine code for a specific computer .Java compiler also does the same thing ,Then how does java archive architecture neutrality ? The answer  is that the java compiler produces an intermedia code known an bytecode for a machine that does not exits , This   is  a machine is called the java virtual machine and it exits only inside the computer memory , It is a simulated   computer within the computer and does all major machine of a real computer, illustrates the process of compiling a java program into byte code which is also referred to as virtual machine code  The virtual ma chine code is not machine specific code (known as machine code) is  generated by the code interpreter by acting as an intermediary between the vi...

                      Operating System Operating system acts as an inter between the user and hardware of the computer and also control the execution of application program , operating system is also called as resource manager,  makes sure every  thing works together.    operating  system is a system that acts as abridge between computer hardware and user . It control all the hardware components of the computer  CPU memory storage ,input/output devices  Different types of Operating system    1. Batch operating System      2. Milti- programmed operating system    3. Multitasking operating system     4. Multiprocessor system     5. Distributed system      6. Real Time system      7. Mobile OS(Android OS) 1. Batch Operating system .It is one of the oldest operating system . Batch operating system is one wher...

                            Java Environment Java environment includes a large number of development tools and hundreds of class and methods. The development tools are part of the system  known as java development kit (JDK) and the classes and methods are part of the java standard library (JSL) also known as the Application Programming Interface (API).                          .Java Development Kit The java Development kit comes with a collection of tools that are used for developing and running java program . They include:                    . Applet Viewer (for viewing java applets)       . Java c (Java compiler )       . Java (java interpreter)       . Java p (java disassembler)       . Java h (for c header files )       . ...

Applications of  OOP OOP is one of the programming buzzword. There appears to be a great deal of excitement and interest among software engineers in using OOP. Applications of OOP are beginning to gain in many importance areas. The most popular application of objection-oriented programming ,up now ,has been in the area of user inter-  face design such as windows. There are hundreds of windowing systems developed using OOP techniques    . Real-business system are often much more of complex and contains are more object in   with complicated attributes and method . OOP is useful in this type of  applications of   because of can simplify a complex.  The areas for application of OOP . Real-time systems . Simulation and modelling . Object-Oriented database . Hypertext and Hypermedia  . Ai and experts systems. Neural networks and parallel programming .Decision support and office the automation systems . CIM / CAD / CAD systems  ...

 Android Studio is an official Integrated Development Environment (IDE) developed by Google to create Android apps. This is a powerful tool that makes Android app development easy and efficient. 1.Android Studio Features       1.  Intelligent Code Editor – Smart code suggestions and error detection for Java, Kotlin, and XML.       2.  Real-time Preview – Provides real-time preview of XML layout.       3. Emulator – Built-in emulator for testing apps.       4. Gradle Build System – It handles automatic project build and dependency management.       5. Logcat & Debugging Tools – Provides tools for errors and debugging.       6. Version Control Integration – Integration with tools like Git, GitHub.   2.How to make apps in Android Studio?          1. Install Android Studio – Download  android studio          2. Create a new ...

 The Features of Java OOP (Object-Oriented Programming) are the key principles that make Java a   features object-oriented language.              Classes:- A class is a user define data type date contain data member and member function .A class is a group of similar type object that same have properties common be haviour and common relationship Objects:-  Object is instance of a class or real time entity of a class In OOP program is divided into number of object. it is a variable of a class object is an instance of class. Syntax:- Class-name, Object- name   Abstraction:- The  process of hiding is complex implementation in details and showing only the essential features to the user. Abstraction means providing only the essential details to the outside world and hiding the internal details    Encapsulation:- The building of data  attributes and the methods operate on that data within a single (a class). E...