Kotlin for beginner – Part one (Setup): Kotlin was developed by JetBrains, the company behind different popular products like IntelliJ IDEA, PyCharm, RubyMine etc. They have started it in July 2011, but the first official stable release was on Feb 15, 2016(Kotlin V1.0). Kotlin is an opensource project under Apache 2 license. On Google IO […]
Python 3 program to convert a decimal number to ternary (base 3)
In this python programming tutorial, we will learn how to convert a decimal number to a ternary number. Ternary numbers are base 3 numbers. These numbers have three as the base. Before start writing the program, let’s try to understand how the conversion works : – Suppose we want to convert 21(decimal) to ternary. – […]
What is Jagged Arrays in Java : explanation with examples
Jagged arrays are two-dimensional arrays. You can think like each element of these arrays have elements of type Array, i.e. it holds different arrays. The size of these array-elements is different. It is not required that all elements should have the same sized array. Jagged arrays are also known as Ragged arrays in Java. In […]
Dart 2 tutorial : Variables in dart with example
Variables in Dart : For declaring a variable in dart, ‘var’ keyword is used. e.g. : main(){ var day = “Sunday”; print(day); } It declared the variable day that will store one reference to the String object “Sunday”. I have mentioned it as object because everything you can create as a variable is an object […]
Convert all characters of a string to uppercase or lowercase in dart
Introduction : In this dart programming tutorial, we will learn how to convert all characters of a string to uppercase or lowercase. To convert all characters of a string to uppercase or lowercase, dart provides two different methods. Let’s take a look at these methods first : String toLowerCase() : This method converts all characters […]
Dart tutorial : string (explanation with examples)
String in Dart with examples : In dart, a string is a sequence of UTF-16 code units. To create one string variable, we can use either single quote or double quote like below : main(){ var firstString = “This string is inside double quotes”; var secondString = ‘This string is inside single quotes’; print(firstString); print(secondString); […]
Dart number datatype : integers and double
Dart Datatype: Numbers (integers and double): While creating variables, we need to define its type. For example, if it is string variable or a numerical variable. Dart also provides different datatypes. We will learn about each datatype one by one. This tutorial will explain you about Number datatype in Dart. The first thing that comes […]
Compare two numbers using compareTo method in Dart
Compare two numbers using compareTo method in Dart : In this dart tutorial, we will learn how to compare two numbers using compareTo methods. We know that numbers in dart can be categorized into two types: integer and doubles. Dart has one inbuilt method compareTo to compare two different integer or double variables. We can […]
Dart tutorial : How to use Boolean in Dart
How to use Boolean in Dart : Dart comes with a ‘Boolean’ datatype for variables. The value of Boolean is either true or false. You cannot assign any other values to Booleans. Keyword bool is used to define a boolean variable. For example, let’s take a look at the program below : main(){ bool first […]
Dart 2 programming language Writing your first program (Introduction)
Dart program was initially developed by Google. It is an open source programming language. It is an object-oriented, class defined, single inheritance language. This is our first tutorial on Dart. Dart is a relatively new programming language and the cool thing about this language is that you can develop almost any type of application using […]