Introduction : Dropping a collection will remove it from the database. It will also remove any index associated with the dropped collection. It also removes all indexes associated with the dropped collection. This method will obtain a write lock on the database. It will block all other operations till the drop is completed. Collection drop […]
Kotlin String template : Explanation with Examples
Introduction : String is a sequence of characters. All strings are of String class. For example, “Hello World” is a string. One more important thing is that String is immutable in Kotlin, i.e. you cann’t change any character of a string variable. Kotlin has introduced one new concept for string called string template. It allows […]
Media objects in Bootstrap : Explanation with example
Media Objects in Bootstrap : Media objects are used to create repetive contents with a media like image or videos. Think about a list of blog comments where user image is placed on the left side of the comment. We can easily create components like comments using media objects. Two classes are required for creating […]
Kotlin program to reverse an array ( 2 different ways )
Kotlin program to reverse an array : In this kotlin programming tutorial, we will learn how to reverse an array using two different ways : Reverse the array, assign this new array to a different variable and reverse an array in place. We are showing these examples for integer arrays, but you can use them […]
Kotlin example program to find out the largest element in an array
Kotlin example program to find out the largest element in an array : In this Kotlin example program, we will learn how to find out the largest element in an array of numbers. This is a simple example program that will show you how to find out the largest number in an array. Let’s take […]
Kotlin program to find out the factors of a number
Kotlin program to find out the factors of a number : In this tutorial, we will learn how to find out the factors of a number in Kotlin. We will show you two different ways : using a for loop and by using a while loop to solve this problem. The programs will print out […]
Python tutorial to check if a user is eligible for voting or not
Python tutorial to check if a user is eligible for voting or not : In this python tutorial, we will learn how to check if a user is eligible for voting or not. The program will take the age as an input from the user, check the eligibility and then print out the result. This […]
Data class in Kotlin : Explanation with example
Data class in Kotlin is used mainly for classes that holds only data. Keyword ‘data’ is used to mark a class data class. These classes cann’t be used to define any extra functionalities to a class. By default, this class will provide you few methods. In this tutorial, we will learn about data class in […]
What is primary constructor and secondary constructor in Kotlin
What is primary constructor and secondary constructor in Kotlin : As we know that a constructor is used to construct a class object. In Kotlin, constructors are categorized into two types : primary and secondary. A Kotlin class can have only one primary constructor and multiple secondary constructors. In this tutorial post, we will learn […]
Kotlin program to check if an alphabet is vowel or not
Kotlin program to check if an alphabet is vowel or not : This is a simple Kotlin example to show you how when and if-else condition works in Kotlin. Problem is to find out if an alphabet is vowel or consonent.Our program will print out the result in one statement i.e. if the character is […]