What is the difference between Array and Arraylist.

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Anonymous User · Accepted Answer

Arrays are strongly typed collection of same datatype and these arrays are fixed length that cannot be changed during runtime. Generally in arrays we will store values with index basis that will start with zero. If we want to access values from arrays we need to pass index values.          string[] arr = new string[2];
and and and and and and and and and and and  arr[0] = "aditya";
and and and and and and and and and and and  arr[1] = "rejeev";
and Array lists are not strongly type collection. It will store values of different datatypes or same datatype. Array list size will increase or decrease dynamically it can take any size of values from any data type. These Array lists will be accessible with “System.Collections” namespaceArrayList strarr = new ArrayList();strarr.Add("Shivam"); // Add string values
strarr.Add(10);and and  // Add integer values
strarr.Add(10.05); // Add float values

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What is the difference between Array and Arraylist.

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