Expression
- The combination of operator and operand.
- We can use if condition, while, or dowhile that are required in the boolean condition.
- The final results will come as either 0 (or) 1.
- The goto statement cannot jump into blocks.
- For each statement used (It can be used in Array).
Step 1: Open Visual Studio 2015,
![Open Visual Studio 2015]()
Step 2: Click New Project and choose Visual C# then Click Console Application, type App Name and then click Ok,
![New]()
Step 3: Write the coding for the normal addition of two values,
![coding]()
Step 4: Click the start button to run the program,
![run]()
Step 5: We can use more numbers of expression in our Program. The expression can run based on their precedence.The order of precedence is Bracket, Division, Multiplication, Addition, and Subtraction.
![expression]()
Step 6: Click Start button to run the program,
![run]()
Step 7: Use Another Expression,
![Expression]()
Step 8: Output
![Output]()
Type Systems in C#
- Value Types
- Reference Types
Value Types
- It can contain the data directly
- It cannot be null
- It can use primitives, Enums, Structs
Example: int i=10 (It can directly contain the data)
Reference Types
- It contains references to the objects
- It may be null
- It can use Classes, Interfaces, Arrays, Delegates
Example: String s="Good"; (The word "Good" can contain reference to s).