Merge branch 'slices'

strings.go

@@ -0,0 +1,49 @@
+package main
+// importing many packages will be done using () as below
+// importing string packages for using string functions
+import( 
+	"fmt" 
+	"strings" 
+	"sort"
+)
+
+func main() {
+
+ 	// assign a string to a variable
+
+ 	sampleString := "Hello World"
+ 	// check if a string contains a character
+ 	fmt.Println(strings.Contains(sampleString, "lo"))
+
+ 	// calculate the first index of a charachter in a string
+ 	fmt.Println(strings.Index(sampleString, "lo"))
+
+ 	// cacluate the count/no of a appearence of a character n a string
+ 	fmt.Println(strings.Count(sampleString, "l"))
+
+ 	// replace characters in a string
+ 	// here replace "l" character with "x" starting with third index
+ 	fmt.Println(strings.Replace(sampleString, "l", "x", 3))
+
+ 	// create a csv list of values to join and apply more string operations
+ 	csvString := "1,2,3,4,5"
+
+ 	// split the string from comma
+ 	fmt.Println( strings.Split( csvString, "," ) )
+
+ 	// create an array of string type
+
+ 	listOfLetters := []string{"c","b","a"}
+
+ 	// sort the liost of letters
+ 	sort.Strings(listOfLetters)
+ 	fmt.Println(listOfLetters)
+
+ 	// join the letters to using comma
+ 	fmt.Println(strings.Join(listOfLetters, ","))
+
+ 	// create a list of letters by joining using comma
+ 	listOfNums := strings.Join([]string{"1","2","3"}, ",")
+ 	fmt.Println(listOfNums)
+
+}