Devarchit's Computer Padlet by Devarchit Singh https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30 Class 8A en-us 2020-07-08 04:17:57 UTC 2025-10-29 21:22:52 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/642218998/2d4e0038608cbed1d0e537448d9d35b3/working.PNG PART-1 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/797123086 2020-10-02 09:12:59 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/797123086 PART-2 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/797123563 2020-10-02 09:13:32 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/797123563 Object devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799456036 Objects are real world entities or items. It can either be a non living entity (like a computer) or living entity (like a dog). All objects have a state and a behaviour.]]> 2020-10-03 03:34:27 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799456036 Class devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799456394 A class in real world is a set of objects with similar characteristics and behavior.
Example : The class of all insects
The class of all human beings
The class of all smartphones
A class in JAVA means the blueprint or prototype of an object using which many duplicate objects of the same type may be created for different purposes.
Class is also a keyword in JAVA used to define or start a program.]]> 2020-10-03 03:35:00 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799456394 Polymorphism devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457173 The same object can perform different functions or have different forms for different purposes.Ex: A smartphone can behave like a camera, media player,  notebook all depending on what we want to use.]]> 2020-10-03 03:36:25 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457173 Encapsulation devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457447 An object encapsulates or binds together data members and functions into a single unit.
The functionality cannot be separated from the characteristics.]]> 2020-10-03 03:36:53 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457447 Inheritance devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457577 Every object acquires the property of its parent object and has some of its own  new features.
Example : The new models of any car will integrate new features into the pre - existing ones.

]]> 2020-10-03 03:37:07 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457577 Abstraction devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457755 Data abstraction is the process of hiding certain details and showing only essential information to the user.      ]]> 2020-10-03 03:37:29 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799457755 The 4 features of Java are: devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799458412 1. Java is simple and platform independent, i.e., it is not specific to any processor or operating system.
2. Java achieves platform independence by using both a compiler and an interpreter and converts the source code to machine code executable on different systems.
3. Java is designed with multi - threaded capabilities with different tasks coded as threads that can execute concurrently, resulting in highly interactive and responsive applications.
4. Java provides a variety of built - in graphics to create an attractive application.]]> 2020-10-03 03:38:45 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799458412 JVM devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799464019 A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode.]]> 2020-10-03 03:48:37 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799464019 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799465080 2020-10-03 03:50:11 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799465080 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799466025 Java is an object- oriented programming language. It was developed in 1991 by James Gosling and his colleagues Arthur van Hoff and Andy Bechtolsheim at Sun Microsystems to develop software for consumer electronics. Java is called an object oriented programming language because it uses objects in programming.]]> 2020-10-03 03:51:53 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799466025 It is an integrated development environment of JAVA where a program is created, compiled, executed and checked for errors. devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799466737 2020-10-03 03:53:09 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799466737 PACKAGE devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799467279 It contains group of similar classes.They can be inbuilt or user defined.
Packages created by user are called User Defined Package.
Inbuilt Packages-
java.lang- default package contains primitive data types and math functions.
java.io- contain classes with inbuilt methods for input and output operations.
java.util]]> 2020-10-03 03:54:06 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799467279 Import devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799469300 It is a keyword to import packages in Java.
Example:
import java.io - it imports all classes of input output packages.]]> 2020-10-03 03:57:51 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799469300 Class devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799470470 A class contains a set of methods and data. The data is used by the methods to perform the task.
Example:
public class ]]> 2020-10-03 04:00:05 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/799470470 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/801758428 2020-10-05 03:35:17 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/801758428 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1164877981 2021-02-04 17:06:24 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1164877981 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1185403811 2021-02-10 02:36:56 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1185403811 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1190394694 2021-02-11 02:34:09 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1190394694 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1193061833 2021-02-11 16:14:22 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1193061833 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1654123686 2021-07-19 01:57:10 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1654123686 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1654932672 2021-07-19 16:47:13 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1654932672 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1659746253 2021-07-24 01:38:48 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1659746253 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660018607 2021-07-24 17:02:48 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660018607 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660369941 2021-07-25 17:23:33 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660369941 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660370196 2021-07-25 17:24:22 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660370196 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660371111 2021-07-25 17:28:37 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1660371111 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1661276311 2021-07-26 17:27:59 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1661276311 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1662298157 2021-07-27 16:50:45 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1662298157 devarchitsingh2mar2007 https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1663608089 2021-07-29 02:00:25 UTC https://padlet.com/devarchitsingh2mar2007/62qtvvv55oxyfh30/wish/1663608089