![]() ![]() This method returns the index of the last occurrence of a value in a one-dimensional Array or in a portion of the Array. This method initializes every item of the value-type Array by calling the default constructor of the value type. This method returns the index of the first occurrence of a value in a one-dimensional Array or in a portion of the Array. This method returns the value of the specified item in an Array. This method returns the upper bound of an Array. This method returns the lower bound of an Array. This method returns the number of items in an Array. This method returns an IEnumerator for the Array. This method initializes a new instance of the Array class. This method copies all the elements of the current one-dimensional Array to the specified one-dimensional Array starting at the specified destination Array index. This method copies a section of one Array to another Array and performs type casting and boxing as required. This method creates a shallow copy of the Array. This method removes all items of an array and sets a range of items in the array to 0. This method searches a one-dimensional sorted Array for a value, using a binary search algorithm. Returns an object that can be used to synchronize access to the array. Returns the number of dimensions of an array. Returns the total number of items in all the dimensions of an array Return a value indicating if an array has a fixed size or not. System.Array class provides methods for creating, manipulating, searching, and sorting arrays, thereby serving as the base class for all arrays in the common language runtime. Array class is an abstract base class, which can't be inherited, but it provides CreateInstance method to construct an array. The Array class, defined in the System namespace, is the base class for arrays in C#. Understanding the Array ClassĪrrays are extremely useful when you have several similar objects that you want to be able to process the same way or to be able to process as a group rather than individually. Multi-dimension arrays are also called as rectangular arrays. Mixed arrays are a combination of multi-dimension arrays and jagged arrays. Single dimensional array initialization int numbers = new int ", arr, j = (arr.Length - 1) ? "" : " ") ![]() The factor is used to specify the number of items of the list.ĭeclaring single dimensional array int arr = new int The new operator allows the compiler to reserve memory. The square brackets on the left of the assignment operator are used to let the compiler know that you are declaring an array instead of a normal variable. In the above declaration DataType can be char, int, float, double, decimal, string, etc. Single Dimensional array is also called one-dimensional array.ĭataType VariableName = new DataType All items in a single dimension array are stored in a row starting from 0 to the size of array - 1. These types of arrays are used to store number of items of a predefined type. Single-dimensional arrays are the simplest form of arrays.
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