Define Labs Interview Questions and Answers

Data types in C# are used to define the type of data that a variable can hold.

• C# has value types (int, float, double) and reference types (class, interface)

• Value types store data directly in memory, while reference types store a reference to the data

• Examples: int num = 10; string name = 'John'; MyClass obj = new MyClass();

An array program in C# using strings

• Declare an array of strings: string[] arrayName;

• Initialize the array with values: string[] arrayName = {"value1", "value2", "value3"};

• Access elements in the array using index: string element = arrayName[index];