Console is a pre-defined class it has various members methods among them two are important.
1. WritLine(): This method will print the given value on command prompt window after printing the value it will move the cursor to next line.
2. ReadLine(): This method will accept input from the user until user will press an enter key.
This method return type is string that means this method will treate th e user input as an string. Eg: To print name and age:
void main(--) { Console.WriteLine("Enter your name"); string name = Console.ReadLine(); Console.WriteLine("Your name is " +name); Console.WriteLine("Enter your age"); string age =Convert.ToInt32(Console.ReadLine()); Console.WriteLine("Your age is " +age); Console.ReadLine(); } Output: Enter your name Sathya Your name is Sathya Enter your age 16 Your age is 16
Convert Class: Convert is apre-defined class this class will have various data type conversion methods.
ToInt32(): It is a member of convert class. This method will convert the given value from any data type to int data type.
Console.WriteLine("Enter Salary"); int sal = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Employee number is " +empno); Console.WriteLine("Employee name is " +ename); Console.WriteLine("Employee salary is " +sal);
Console.ReadLine() } Output: Enter Employee number 111 Enter employee name John Enter salary 1000 Employee number is 111 Employee name is John Employee salary is 1000
Conditional Statements: Whenever we want to execute a single statement or a block of statement based on some conditions we will go for conditional statements.
Conditional statements are of two types: 1. If condition 2. Switch condition 1. If condition: If condition we can implement in 3 ways: