Java - Medium Articles

Internal Storage in Android with Example

The aim of this article is to show users how to use internal storage. In this article will be creating an application that can write… Read More

Android

android 1

Java

Convert an Array into Collection in Java

Java Collection provides an architecture to store and manipulate a group of objects. The datatype of data can be changed to a general data type… Read More

Java-Array-Programs

Java-Collections

Java

Java Programs

Material Design EditText in Android with Example

EditText is one of the important UI elements. Edittext refers to the widget that displays an empty text field in which a user can enter… Read More

Android

android 1

Java

Hangman Game in Java

Hangman is a popular word guessing game where the player endeavors to construct a lost word by speculating one letter at a time. After a… Read More

Java

Java Programs

How to Get a Size of Collection in Java?

Given a Collection in Java, the task is to find the length or size of the collection. Examples: Input: Array_List: [1, 2, 3,4] Output: 4… Read More

Java-Collections

Java

Java Programs

Parallel vs Sequential Stream in Java

Prerequisite: Streams in Java A stream in Java is a sequence of objects which operates on a data source such as an array or a… Read More

java-stream

Difference Between

Java

Remove uppercase, lowercase, special, numeric, and non-numeric characters from a String

Given string str of length N, the task is to remove uppercase, lowercase, special, numeric, and non-numeric characters from this string and print the string… Read More

Java-String-Programs

regular-expression

DSA

Java

Java Programs

Strings

SimpleExpandableListAdapter in Android with Example

Android ExpandableListView is a view that is used to shows items as a vertically scrolling two-level list. The basic difference with ListView is it allows… Read More

Picked

Android

android 1

Java

How to Build a Simple Flashlight/TorchLight Android App?

All the beginners who are into the android development world should build a simple android application that can turn on/off the flashlight or torchlight by… Read More

Android

android 1

Java

Different Ways to Generate String by using Characters and Numbers in Java

Given a number num and String str, the task is to generate the new String by extracting the character from the string by using the… Read More

strings

DSA

Java

Misc

Strings

Introduction to Activities in Android

Activity class is one of the very important parts of the Android Component. Any app, don’t matter how small it is (in terms of code… Read More

Android

Java

Kotlin

Content Providers in Android with Example

In Android, Content Providers are a very important component that serves the purpose of a relational database to store the data of applications. The role… Read More

Android

android 1

Java

Kotlin

Print even and odd numbers in increasing order using two threads in Java

Given an integer N, the task is to write Java Program to print the first N natural numbers in increasing order using two threads. Prerequisite:… Read More

Java-Multithreading

Java

Java Programs

What is Context in Android?

Android Applications are popular for a long time and it is evolving to a greater level as users’ expectations are that they need to view… Read More

Android

Java

Kotlin

Using the super Keyword to Call a Base Class Constructor in Java

We prefer inheritance to reuse the code available in existing classes. In Java, Inheritance is the concept in which one class inherits the properties of… Read More

Java-Constructors

java-inheritance

Java-keyword

Java

Generate a string from an array of alphanumeric strings based on given conditions

Given an array of strings arr[] where each string is of the form “name:number” and a character T as input, the task is to generate… Read More

strings

Arrays

Competitive Programming

DSA

Java

Java Programs

Placements

Python

Searching

Strings

Calculator Using RMI(Remote Method Invocation) in Java

RMI (Remote Method Invocation) is an API used to access objects running on another JVM(Server-side). It is mainly used for the creation of distributed systems… Read More

Java

Java Programs

Map size() Method in Java With Examples

Map size() method in Java is used to get the total number entries i.e, key-value pair. So this method is useful when you want total… Read More

Java-Collections

java-map

Java-Map-Programs

Java

How to Add WaveLineView in Android?

In this article, WaveLineView is implemented in android. WaveLineView provides us with a very beautiful UI. It can be used when the user has to… Read More

Android-View

Android

Java

Kotlin

DatePickerDialog in Android

Android DatePicker is a user interface control that is used to select the date by day, month, and year in the android application. DatePicker is… Read More

Android-Date-time

Android

Java