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Welcome to kotlin Series In this post, we are going to learn about ArrayList. In android the use of ArrayList is huge. So let's move on today task list. 1. we create an ArrayList 2. insert some value 3. update some value 4. search in ArrayList 5. delete some value Let's start: Note: we discuss array and loop in this post Kotlin: Array and Loop. you can take a look at this post of...

Welcome to kotlin Series In this post, we are going to learn about kotlin IO (input or output) we basically learn about file reader and writer. In this post, we are going to write a program that takes text from the console and save it on computer hard disk as a text file. Let start- First, we are going to create a method for saving file, method name writeToFile Follow those step: 1....

Welcome to this post. In this post, we are going to discuss how to share code on Git from Android Studio. (I don't want to describe what is GitHub or why you need to use git. I just want to show you the process only) Let's jump in. Before share, you need to create a GitHub account click here for GitHub account. After creating a GitHub account, you can now share your code into GitHub. Open android...

Welcome to kotlin Series Kotlin OOP series: OOP Basic Constructor Inheritance Method Overriding This is the fourth post in this Kotlin OOP series. In this series, we are going to cover a very important topic that is method overriding. This uses in the android app development is huge. First, we create two classes and we use one class method for other class. But we already know it how...

Welcome to kotlin Series Kotlin OOP series: OOP Basic Constructor Inheritance Method Overriding This is the third post about Kotlin OOP. In this post, we are going to cover Kotlin Inheritance. Let's start- First, create a class named Math. This class contains two function name add and sub. add method -> take two integers and return the addition result of that two integers. sub method...

Welcome to kotlin Series Kotlin OOP series: OOP Basic Constructor Inheritance Method Overriding This is the second post about Kotlin OOP Concept. In the previous post,  Kotlin OOP: Basic we talk about a basic opp concept. In this post, we are going to litter deeper. Let's start- From the previous post, we create an Apple class like previous. let do this- private class Apple(color:String,shape:String){ ...

Welcome to kotlin Series Kotlin OOP series: OOP Basic Constructor Inheritance Method Overriding In this post, we are going to cover object-oriented programming concept with kotlin. In kotlin, all the item is an object. So we are going to create an object name apple. and it has two properties color and shape. Let's create an Apple object class- private class Apple(color:String,shape:String){ } now...