koltin-examples

Multiplying two matrices involves performing a series of dot products between rows and columns to obtain the resulting matrix. This article presents three different Kotlin Program to Multiply Two Matrices by Passing Matrices to a Function, providing real examples with varying solutions and outputs. 1. Using Nested Loops 1.1 Example 1: Multiplying Two Matrices of … Read more

Finding the transpose of a matrix involves swapping rows with columns in a two-dimensional array. This article describes three different Kotlin Program to Find Transpose of a Matrix providing real examples with varying solutions and outputs. 1. Using Nested Loops 1.1 Example 1: Finding Transpose of a 3×3 Matrix Output: 2. Using transpose Function 2.1 … Read more

Printing an array in Kotlin involves displaying all elements of the array, either sequentially or with specific formatting. This article explores Kotlin Program to Print an Array in three different ways, providing real examples with varying solutions and outputs. 1. Using joinToString Function 1.1 Example 1: Printing Int Array Output: 1.2 Example 2: Printing String … Read more

In Kotlin, concatenating two arrays involves combining the elements of both arrays to create a new array containing all the elements from both arrays. This article explores Kotlin Program to Concatenate Two Arrays providing three real examples with different solutions and outputs. 1. Basic Concatenation Using plus Operator 1.1 Example 1: Concatenating Int Arrays Output: … Read more

In Kotlin, converting characters to strings and vice versa is a common task that can be accomplished in several ways. This article explores three different Kotlin Program to Convert Character to String and Vice-Versa providing detailed explanations, code implementations, and outputs for each example. 1. Converting Character to String 1.1 Using toString Method Program Explanation … Read more

Checking if an array contains a specific value is a common operation in programming. Kotlin provides several ways to accomplish this task efficiently. This article will explore three different Kotlin Program to Check if An Array Contains a Given Value, including detailed explanations, code implementations, and outputs for each example. 1. Using the in Operator … Read more

Joining two lists is a common operation in many programming scenarios. In Kotlin, this task can be accomplished using various methods, each with its unique advantages and applications. This article will explore three different Kotlin Program to Join Two Lists, including detailed explanations, code implementations, and outputs for each example. 1. Using the + Operator … Read more

Converting between List (or ArrayList) and Array is a common task in Kotlin programming. Lists are ordered collections that can contain duplicate elements and can dynamically grow, while arrays have a fixed size but provide fast access to elements. This article will demonstrate three different Kotlin Program to Convert List (ArrayList) to Array and Vice-Versa … Read more

In Kotlin, converting between List (or ArrayList) and Array is a common task. Lists are ordered collections that can contain duplicate elements, while arrays are also ordered collections but have a fixed size. This article will explore three different Kotlin Program to Convert List (ArrayList) to Array and Vice-Versa with detailed explanations, code implementations, and … Read more

Converting a Map (or HashMap) to a List is a common task in many programming scenarios. In Kotlin, maps are collections of key-value pairs, while lists are ordered collections of elements. This article will explore three different Kotlin Program to Convert Map (HashMap) to List. 1. Introduction In Kotlin, a map is an unordered collection … Read more

Converting between arrays and sets is a common task in many programming scenarios. In Kotlin, arrays and sets are both part of the collections framework, but they serve different purposes. Arrays are ordered collections that can contain duplicate elements, while sets are unordered collections that do not allow duplicates. This article will explore how to … Read more

Sorting a map by its values is a common task in many programming scenarios, especially when dealing with data analysis and manipulation. In Kotlin, this can be achieved using various approaches. This article will explore three different Kotlin Program to Sort a Map By Values, each with a detailed explanation and example. By the end … Read more

Calculating the difference between two time periods is a common task in many applications. In this article, we will explore how to achieve this using Kotlin. We will provide three different Kotlin Program to Calculate Difference Between Two Time Periods, each with a unique approach and explanation. By the end of this article, you will … Read more

Working with complex numbers involves managing both real and imaginary parts. In Kotlin, this can be elegantly handled using classes and functions. This article explores three different Kotlin Program to Add Two Complex Numbers by Passing Class to a Function, providing detailed examples and outputs. 1. Introduction to Complex Numbers in Kotlin Complex numbers consist … Read more

Converting a string to a date is a common requirement in various applications, such as parsing user input, processing data from files, and handling timestamps in logging. Kotlin, leveraging Java’s powerful time libraries, provides multiple ways to achieve this conversion. This article explores three different Kotlin Program to Convert String to Date, each with detailed … Read more

Getting the current date and time is a common requirement in many applications, ranging from logging events to timestamping data. Kotlin, leveraging the Java standard libraries, offers several ways to retrieve and manipulate the current date and time. This article explores three different Kotlin Program to Get Current Date/Time 1. Introduction to Date/Time Retrieval Retrieving … Read more

Converting time values from milliseconds to minutes and seconds is a common requirement in various applications, such as time tracking, logging, and performance monitoring. Kotlin provides multiple ways to achieve this conversion, leveraging both its own libraries and Java’s standard libraries. This article explores three different Kotlin Program to Convert Milliseconds to Minutes and Seconds … Read more

Working with dates and times is a common requirement in many applications. Kotlin, with its interoperability with Java, provides robust libraries to handle date and time operations. This article explores different Kotlin Program to Add Two Dates. We will cover three methods, each with detailed examples and outputs. 1. Introduction to Adding Dates Adding dates … Read more

Retrieving the current working directory is a common requirement in many applications. The current working directory is the directory from which the program is being executed. In Kotlin, this task can be achieved using different approaches, leveraging both Kotlin and Java APIs. This article explores three different Kotlin Program to Get Current Working Directory 1. … Read more

Converting a byte array to a hexadecimal string is a common task in programming, especially in fields such as cryptography, data serialization, and networking. This article explores different Kotlin Program to Convert Byte Array to Hexadecimal. 1. Introduction to Byte Array to Hexadecimal Conversion A byte array represents binary data, and converting it to a … Read more

Reading the contents of a file and converting them into a string is a fundamental task in many applications. Whether you are working with configuration files, processing data, or logging, Kotlin provides several ways to accomplish this task efficiently. This article explores three different Kotlin Program to Create String from Contents of a File, each … Read more

Reading the contents of a file and converting them into a string is a common task in many applications, such as configuration file reading, data processing, and logging. Kotlin provides several ways to accomplish this efficiently, leveraging both its own standard library and Java’s file handling capabilities. This article will explore three different Kotlin Program … Read more

Appending text to an existing file is a common task in many applications, whether for logging, data storage, or simply updating content. Kotlin provides several ways to achieve this, leveraging both its own standard library and Java’s file handling capabilities. This article will explore three different Kotlin Program to Append Text to an Existing File, … Read more

When developing applications, handling exceptions and logging stack traces is crucial for debugging and troubleshooting. Converting a stack trace to a string allows developers to log the trace, send it over the network, or display it in the user interface. This article will explore three different Kotlin program to convert a stack trace to a … Read more

Converting a file to a byte array and vice versa is a common task in Kotlin when dealing with file handling and IO operations. It involves reading the contents of a file into a byte array or writing a byte array to a file. In this article, we will explore three different Kotlin Program to … Read more

Converting an InputStream to a String is a common task in Kotlin when dealing with input/output operations. It involves reading the bytes from an InputStream and converting them into a readable string format. In this article, we will write three different Kotlin Program to Convert InputStream to String. 1. Using BufferedReader and StringBuilder 1.1 Kotlin … Read more

Looking up an enum by its string value is a common task in programming, especially when dealing with user inputs or external data. Kotlin provides several approaches to efficiently perform this lookup operation. In this article, we will explore three different Kotlin Program to Lookup Enum by String Value that demonstrate various ways to lookup … Read more