This is an Android based application using Firebase. Use to fix an appointment with any doctor and can search for symptoms for any disease.

Send Notification from one user to another using Firebase Cloud Messaging by retrofit library.

Note Maker is a simple note making app to save notes. Front end is designed using Bootstrap 4 so its responsive to PC browser as well as mobile browser. Business Logic is coded in Java using JSP Servlets and Hibernate to connect Database. Microsoft SQL Server is used as database of this Project.

Common Code for Push Notifications below And above Android Oreo

Quick Chat - Android Chatting Application using Firebase Real time database

VMOS is A Virtual Operating System. It is Multithreading Operating System.i.e performs multiple task at same time.

WorkManager is the recommended solution for persistent work. Work is persistent when it remains scheduled through app restarts and system reboots. Because most background processing is best accomplished through persistent work, WorkManager is the primary recommended API for background processing.

Every notification should respond to a tap, usually to open an activity in your app that corresponds to the notification. To do so, you must specify a content intent defined with a PendingIntent object and pass it to setContentIntent().

Dagger 2 is one of dependency injection framework in Android that can provide us dependencies in a particular class. It’s probably the most used dependency injection framework in Android development. Singleton annotation can be put in other component and as long as the component alive the singleton annotated object will alive as well.

Wheres the food is a food ordering mobile app to place an order.Can view available items.Add to cart.Remove from cart.Update the cart. Place order.

In Java, the finally block is always executed no matter whether there is an exception or not. The finally block is optional. And, for each try block, there can be only one finally block.

CAPP is A Calculative application made on java. It helps to do different kind of calculation options.

This is a java web application for Java Multiple Choice Questions Exam.

Queue is an abstract data structure, somewhat similar to Stacks. Unlike stacks, a queue is open at both its ends. One end is always used to insert data (enqueue) and the other is used to remove data (dequeue). Queue follows First-In-First-Out methodology, i.e., the data item stored first will be accessed first.

Hash Table is a data structure which stores data in an associative manner. In a hash table, data is stored in an array format, where each data value has its own unique index value. Access of data becomes very fast if we know the index of the desired data. Thus, it becomes a data structure in which insertion and search operations are very fast ir…

Primitive Integer data types - includes byte, short, int, long. The byte data type is an 8-bit signed two's complement integer. The short data type is a 16-bit signed two's complement integer. the int data type is a 32-bit signed two's complement integer. The long data type is a 64-bit two's complement integer.

A for loop is a repetition control structure that allows you to efficiently write a loop that needs to be executed a specific number of times

Scanner is a class in java.util package used for obtaining the input of the primitive types like int, double, etc. and strings. It is the easiest way to read input in a Java program, though not very efficient if you want an input method for scenarios where time is a constraint like in competitive programming.

The Boolean data type is used to store only two possible values: true and false. This data type is used for simple flags that track true/false conditions.

A java package is a group of similar types of classes, interfaces and sub-packages. Package in java can be categorized in two form, built-in package and user-defined package.