Introduction Calculating an employee’s salary typically involves considering the basic salary and adding any additional components like allowances, bonuses, and deductions. This can be extended to include overtime, taxes, or other benefits depending on the requirements. This guide will walk you through writing a simple Go program that calculates an employee’s salary based on basic …
Introduction Finding the cube of a number involves multiplying the number by itself twice (i.e., raising the number to the power of 3). In Go, you can calculate the cube of a number using simple arithmetic operations. This guide will walk you through writing a Go program that calculates the cube of a user-provided number. …
Introduction Counting the number of digits in a number is a common task in programming. This can be achieved by repeatedly dividing the number by 10 and counting how many times this operation can be performed before the number becomes zero. This guide will walk you through writing a Go program that counts the digits …
Introduction Validating user input is a critical part of any application to ensure that the input meets expected criteria before processing. In Go, you can validate input and handle errors effectively using conditional statements and the error type. This guide will demonstrate how to write a Go program that validates user input and handles errors …
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Introduction In Go, logging is a crucial aspect of error handling, especially in production applications. It helps in tracking the flow of execution, understanding issues, and debugging when things go wrong. The log package in Go provides simple functions to write logs to the standard output or a file. This guide will demonstrate how to …
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Introduction In Go, it’s common to encounter multiple errors during the execution of a program, especially when performing a sequence of operations. Handling these errors effectively ensures that your program can manage failures gracefully. Go’s error handling mechanism allows you to check and handle each error individually. This guide will demonstrate how to handle multiple …
Introduction In Go, panic and recover are built-in functions that provide a way to handle unexpected situations and recover from panics, respectively. panic is used to stop the normal flow of control and start panicking, which means the program will start unwinding the stack until it crashes or recovers. recover is used to regain control …
Introduction In Go, you can create custom errors to provide more context or specific information about an error condition. Custom errors can be created using the errors.New function or by implementing the error interface. This guide will demonstrate how to create and use custom errors in Go. Problem Statement Create a Go program that: Implements …
Introduction Error handling is an essential part of programming, and Go provides a simple yet effective way to handle errors using the built-in error type. The error type in Go is used to represent an error condition, and it’s commonly returned as the last value in functions that can fail. This guide will demonstrate how …
Introduction Reading a file line by line is a common task in many applications, especially when processing text files. In Go, you can achieve this by using the bufio package, which provides a buffered reader to efficiently read text. This guide will demonstrate how to write a Go program that reads a file line by …
Introduction Listing the files in a directory is a common task in file management. In Go, you can achieve this using the os package, which provides functions to read directory contents. This guide will demonstrate how to write a Go program that lists all the files in a specified directory. Problem Statement Create a Go …
Introduction Creating a directory is a common operation in file handling. In Go, this can be easily achieved using the os package. This guide will demonstrate how to write a Go program that creates a directory. Problem Statement Create a Go program that: Takes the directory name as input. Creates the directory if it does …
Introduction Copying a file involves creating a new file with the same contents as an existing one. In Go, this can be achieved by reading the contents of the source file and writing them to the destination file. This guide will demonstrate how to write a Go program that copies a file. Problem Statement Create …
Introduction Renaming a file is a common file operation that involves changing the name or path of an existing file. In Go, this can be easily achieved using the os package. This guide will demonstrate how to write a Go program that renames a specified file. Problem Statement Create a Go program that: Takes the …
Introduction Deleting a file is a basic file operation that can be easily performed in Go using the os package. This guide will demonstrate how to write a Go program that deletes a specified file. Problem Statement Create a Go program that: Takes a filename as input. Deletes the file if it exists. Displays a …
Introduction Checking if a file exists is a common task in file handling. In Go, you can check if a file exists by attempting to open the file and handling the error appropriately. This guide will demonstrate how to write a Go program that checks whether a file exists. Problem Statement Create a Go program …
Introduction Appending data to a file allows you to add new content to the end of an existing file without overwriting its current contents. In Go, you can achieve this by opening a file in append mode. This guide will demonstrate how to write a Go program that appends data to a file. Problem Statement …
Introduction Writing to a file is a common task in programming, and Go provides simple ways to create or open a file and write data to it. This guide will demonstrate how to write a Go program that writes data to a file. Problem Statement Create a Go program that: Opens or creates a file. …
Introduction Reading files is a fundamental operation in many programming tasks. In Go, you can read a file using functions from the os and io/ioutil packages. This guide will demonstrate how to write a Go program that reads the contents of a file and displays them. Problem Statement Create a Go program that: Opens a …
Introduction Counting the frequency of each character in a string is a common task in text processing. This involves iterating through the string and tracking how many times each character appears. This guide will demonstrate how to write a Go program to count the frequency of each character in a given string. Problem Statement Create …
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Introduction Finding the first non-repeated character in a string is a common problem in string manipulation. The goal is to identify the first character that does not repeat anywhere else in the string. This guide will demonstrate how to write a Go program to solve this problem. Problem Statement Create a Go program that: Prompts …
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Introduction Finding the longest substring without repeating characters is a common problem in string manipulation. The goal is to identify the longest sequence of unique characters within a given string. This guide will demonstrate how to write a Go program to solve this problem. Problem Statement Create a Go program that: Prompts the user to …
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Introduction An anagram is a word or phrase formed by rearranging the letters of a different word or phrase, typically using all the original letters exactly once. To determine if two strings are anagrams, you need to ensure that they contain the same characters in the same frequency, but possibly in a different order. This …
Introduction In Go, you can compare two structs to check if they are equal. Structs are considered equal if all their corresponding fields are equal. This guide will demonstrate how to compare two structs in Go. Problem Statement Create a Go program that: Defines a struct type with multiple fields. Creates and initializes two instances …
Introduction In Go, methods are functions with a special receiver argument, which allows them to be associated with a specific type, typically a struct. Methods enable you to define behavior related to the data represented by the struct. This guide will demonstrate how to implement methods for a struct in Go. Problem Statement Create a …