Conditional Statements

20.01.2025 · dayanch

Conditional statements are essential for controlling the flow of a program based on certain conditions. In Go, you can use 

if, else if, and switch
statements to implement conditional logic.

If Statement

The simplest form of a conditional statement is the 

if
statement. It allows you to execute a block of code if a specified condition is true.

Example 1: Basic If Statement

x := 10
if x > 5 {
    fmt.Println("x is greater than 5")
}

This will print:

x is greater than 5

Else If Statement

You can chain multiple conditions using 

else if
. This allows you to check additional conditions if the previous ones are false.

Example 2: Else If Statement

x := 3
if x > 5 {
    fmt.Println("x is greater than 5")
} else if x > 2 {
    fmt.Println("x is greater than 2 but less than or equal to 5")
}

This will print:

x is greater than 2 but less than or equal to 5

Else Statement

The 

else
statement can be used to execute a block of code when all previous conditions are false.

Example 3: Else Statement

x := 1
if x > 5 {
    fmt.Println("x is greater than 5")
} else {
    fmt.Println("x is less than or equal to 5")
}

This will print:

x is less than or equal to 5

Switch Statement

The 

switch
statement provides an alternative way to handle multiple conditions. It evaluates an expression and executes the corresponding case block.

Example 4: Switch Statement

year := "2024"
switch year {
case "2023":
    fmt.Println("Year is 2023")
default:
    fmt.Println("Year is not recognized")
}

This will print:

year is not recognized

Conclusion

Conditional statements are fundamental in programming, allowing you to control the flow of your program based on specific conditions. In Go, you can use 

if
, 
else if
, and 
switch
statements to implement complex logic in a clean and readable manner. Understanding how to use these statements effectively is crucial for writing robust Go applications.

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Conditional Statements