Persistent Systems DOT NET Developer Interview Questions and Answers

A constructor is a special method in a class that is automatically called when an instance of the class is created.

• Constructors have the same name as the class they belong to.

• They can be used to initialize the object's state or perform any necessary setup.

• Constructors do not have a return type.

• Example: public class Person { public Person() { // constructor code here } }

Program to reverse a string using array of characters

• Create a character array from the input string

• Use two pointers to swap characters from start and end of the array

• Continue swapping until the pointers meet in the middle