Explain the use of Go's string concatenation and string comparison?

The use of Go's string concatenation and string comparison are as follows:-

String concatenation is the process of combining two or more strings into a single string. In Go, this can be done using the "+" operator. For example, if we have two strings "hello" and "world", we can concatenate them using the following code:

str1 := "hello"
str2 := "world"
result := str1 + " " + str2

The resulting string would be "hello world".

String comparison, on the other hand, is the process of comparing two strings to determine if they are equal or if one is greater than the other. In Go, string comparison can be done using the "==" and "!=" operators. For example, if we have two strings "hello" and "world", we can compare them using the following code:

str1 := "hello"
str2 := "world"
if str1 == str2 {
    fmt.Println("The strings are equal")
} else {
    fmt.Println("The strings are not equal")
}

In this case, the output would be "The strings are not equal".

It's important to note that in Go, string comparison is case-sensitive, so "hello" and "Hello" would be considered different strings. If you need to perform a case-insensitive comparison, you can use the "strings.EqualFold()" function.