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Go Programming Articles
Page 67 of 86
Golang to remove null from a slice
In this article, we will learn how to remove a null value from a slice using a variety of examples. A slice is a sequence of elements just like an array. An array is a fixed sequence of elements whereas a slice is a dynamic array, meaning its value is not fixed and can be changed. Slices are more efficient and faster than arrays moreover; they are passed by reference instead of value. Let us learn through examples how it can be executed. Method 1: Using For Loop In this method, we will see how to remove a null value ...
Read MoreGolang program to print the left diagonal matrix
In this article, we will see how to print the left diagonal matrix with the help of suitable examples. A matrix is a 2-d array. Here in the examples, we will use a nested for loop which will iterate through the rows and columns of the matrix to print the left diagonal matrix. The output will be printed on the screen using fmt.println() function which is a print statement in Golang. Algorithm Step 1 − Create a package main and declare fmt(format package) package in the program where main produces executable codes and fmt helps in formatting input and ...
Read MoreGolang program to print right diagonal matrix
In this article, we will see how to print the right diagonal matrix with the help of suitable examples. A matrix is a 2-d array. Here in the examples, we will use a nested for loop which will iterate through the rows and columns of the matrix to print the right diagonal matrix. The output will be printed on the screen using fmt.println() function which is a print statement in Golang. Algorithm Step 1 − Create a package main and declare fmt(format package) package in the program where main produces executable codes and fmt helps in formatting input and ...
Read MoreGolang program to search an element in the slice
In this tutorial, we will grasp how to search an element in slice using different set of examples. A slice is a sequence of elements just like an array. An array is a fixed sequence of elements whereas slice is a dynamic array which means its value is not fixed and can be changed. Slices are more efficient and faster than arrays moreover they are passed by reference instead by value. Syntax func append(slice, element_1, element_2…, element_N) []T The append function is used to add values to an array slice. It takes number of arguments. The first argument ...
Read MoreGolang program to remove all elements from an array
In this tutorial, we will execute the program of removing all the elements of array using different set of examples. An array is a well-defined collection of elements stored at contiguous memory locations. The output is printed in the screen using fmt.Println() function. Let’s see few examples to get a clear understanding of this concept. Syntax func append(slice, element_1, element_2…, element_N) []T The append function is used to add values to an array slice. It takes number of arguments. The first argument is the array to which we wish to add the values followed by the values to ...
Read MoreGolang program to get the first and last element from a slice
In this tutorial, we will discuss how to obtain the first and last element from a slice. A slice is a dynamic-sequence that stores elements of a similar type. It is similar to array but it can be resized whereas an array is of fixed range. Let’s understand the concept using some examples. Method 1: Using integer values In this method, we will use integer values to get the first and last element from a slice. The output will be printed on the screen using fmt.Println() function. Let’s go through the example to understand how it can be done. Algorithm ...
Read MoreGolang program to compare elements in two slices
In this tutorial, we will learn how to compare elements in two slices. In slices a simple equality comparison is not possible so the slices are compared with their lengths and the elements present in the loop. The output will be printed in the form of Boolean value on the console with the help of fmt.Println() function. Let’s see how to execute this with the help of an example. Method 1: Using a user-defined function In this method, we will compare elements in two slices using an external function and, in that function, we will set some conditions, if the ...
Read MoreGolang program to replace elements in a slice
In this tutorial, , we will grasp how to replace elements in a slice using different set of examples. A slice is a dynamic array which means that its value is not fixed like array. The output will be printed on the screen using fmt.Println() function. Let’s see how it can be implemented with crystal-clear examples. Method 1: Using built-in copy function In this method, we will use the built-in function copy to replace elements in slice which means at the place of original element and new element will be placed. The built-in functions shorten the code and easily solve ...
Read MoreGolang program to print a slice
In this tutorial, we will learn different methods to print a slice. A slice is a sequence of elements just like an array. An array is a fixed sequence of elements whereas slice is a dynamic array which means its value is not fixed and can be changed. Slices are more efficient and faster than arrays moreover they are passed by reference instead by value. Let’s understand this basic concept using different set of examples and algorithms based upon them. Method 1: Using make function In this method, we will create a slice with the help of make function and ...
Read MoreGolang program to reverse a slice
In this tutorial, we will learn how to reverse a slice using variety of examples. A slice is a sequence of elements just like an array. An array is a fixed sequence of elements whereas slice is a dynamic array which means its value is not fixed and can be changed. Slices are more efficient and faster than arrays moreover they are passed by reference instead by value. Let’s go through the example to understand things. Syntax func append(slice, element_1, element_2…, element_N) []T The append function is used to add values to an array slice. It takes number of ...
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