OOPS Notes

how to create e-commerce database
👇👇👇
https://youtu.be/WEtdSQ_4_x4?si=u6MX1vY8kltpZW2c

how to create e-commerce database
👇👇👇
https://youtu.be/WEtdSQ_4_x4?si=u6MX1vY8kltpZW2c

Restaurant Management System💻 Part-1 🚀
https://youtu.be/lOl7InrTnHQ?si=8Ul0j3ZOM7qzxle0

Restaurant 💻 Part-2 🚀
https://youtu.be/nhA_dfmIkPU

Restaurant 💻 Part-3 🚀
https://youtu.be/bJwekdxwpaw

👉Medical Apps:
https://youtu.be/wXoyoPUWSH4?si=QwQ5CqETmOQN_3gm

👉Library Website Complete project with source code:
https://youtube.com/playlist?list=PLMoluEXvWXK7iAOcTw4AndY-ZwIOKlKZP&si=B64Qz_DIB7csaCJV

👉ASP.NET Full Course
https://youtube.com/playlist?list=PLMoluEXvWXK6Q1h-5vVX4tzX7-O2FdgZA&si=i8Ys0A9olM8kbDbh

👉PostgreSQL
https://youtube.com/playlist?list=PLMoluEXvWXK7QLYA_xdz8uwiRjKfpx5uX&si=i_-Va5aZ0QFspfBv

👉Microsoft SQL Server Database
https://youtube.com/playlist?list=PLMoluEXvWXK4B35oqCvC8iLq-E-7EV9Mg&si=Rqo0UF3_Fk_VjwQU

👉Shopping Website:
https://youtube.com/playlist?list=PLMoluEXvWXK4cAOkQmnNguk4O5vx84oQ4&si=qeyY9pFRbtqkMjbl

👉Crystal Reports
https://youtube.com/playlist?list=PLMoluEXvWXK44Uv6fieMCOPpSPOp_6r9l&si=BShu75Bz7S3IY_L5

👉Cyber Security
https://youtube.com/playlist?list=PLMoluEXvWXK4cyS4BypzHQd6tRcYkrWTl&si=KsIjq3nfCyZjpARa

👉Computer Networks
https://youtube.com/playlist?list=PLMoluEXvWXK6HM1_COAs7-d09jbfRe7e2&si=1aL-s-3Vx8QpMZgI

Java Interview question:

1- It is possible to create an object without object reference.
2- Object reference occupies memory
3-Null is a string literal
4-Instance variables are stored in stack area.
5-Local variable can be accessed by using class name also.
6-Local Variable scope is based on access modifiers
7-Only one copy of class variable is created for all objects.
8-Default value of boolean is true.
9-This keyword is called as an object reference.
10-Array index begins with 1.
11-Object reference is also called as primitive type variable
12-Methods cannot be overloaded in the same class.
13-Constructors are used to initialize instance variables
14-A class can have only one static block.
15-A class can have any number of blocks

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