Statements and Expressions

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Programming in C#

Types of Statements

Selection

| if, else, switch, case

Iteration

| for, foreach, while

Jump

| break, continue, default, goto, return, yield

Exception Handling

| throw, try-catch, try-finally, try-catch-finally

Checked and Unchecked

Fixed

| fixed, unsafe

Lock

Types of Operators

Types of Operators

Arithmetic

Relational

Logical

Conditional

Increment and Decrement

Assignment

Arithmetic Operators

are binary operators.

Relational Operators

Logical Operators Boolean Logical Operators

Bitwise Logical Operators

Bitwise Logical Operators Boolean Logical Operators

http://pastebin.com/BuXr5Zxq

AND

Conditional Operators

AND (&&) evaluates the second expression only if the first one return true. https://gist.github.com/2318365

OR (||) evaluates the second expression only if the first one return false. https://gist.github.com/2318398

Increment and Decrement Operators

Assignment Operators

Precedence and Associativity

Data Conversions

Typecasting

Implicit typecasting (Coercion) refers to an automatic conversion of data type

done when the destination data types belong to the same hierarchy and the destination data type must hold a larger range of values than the source data type

https://gist.github.com/2318445

Implicit typecasting (Coercion)

Explicit typecasting refers to changing a data type of higher precision into a data type of lower precision.

the destination data type hold a smaller range of values than the source data type

<tager data type> <variable name> = (target data type) <source data type>;

https://gist.github.com/2318452

Explicit typecasting using built-in method System.Convert class

Convert.ToChar(float)

ToString() method

https://gist.github.com/2318468

Boxing converting a value type to its reference type.

Unboxing converting a reference type to a value type

Boxing & Unboxing https://gist.github.com/2318516

Question?

What is the result of the following code snippets?

https://gist.github.com/2318553

Question?

What is the result of the following code snippets?

https://gist.github.com/2318553