tugas 1

golang-basic/latihan/latihan-1.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func isPalindrome(s string) bool {
+	for i := 0; i < len(s)/2; i++ {
+		if s[i] != s[len(s)-i-1] {
+			return false
+		}
+	}
+	return true
+}
+
+func main() {
+	fmt.Print("Welcome to Palindrome check, please input text to check is it a palindrome or not. to exit the program please type 'end' in the input field \n")
+
+	// for is to make a loop so the program will always running until it stop by the user
+	for {
+		// scan input from terminal
+		scanner := bufio.NewScanner(os.Stdin)
+
+		fmt.Print("Enter a string: ")
+
+		scanner.Scan()
+
+		input := scanner.Text()
+
+		// type end to end the program
+		if input == "end" {
+			break
+		}
+
+		// empty string validation
+		inputNotEmpty := true
+
+		if input == "" {
+			fmt.Println("Input cannot be an empty string")
+			inputNotEmpty = false
+		}
+
+		if inputNotEmpty {
+			palindromeValidation := isPalindrome(input)
+
+			if palindromeValidation {
+				fmt.Println("Palindrome")
+			} else {
+				fmt.Println("Not a Palindrome")
+			}
+		}
+	}
+}

golang-basic/latihan/latihan-2.go

@@ -0,0 +1,63 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"regexp"
+	"strings"
+)
+
+func isVowel(s string) bool {
+	input := strings.ToLower(s)
+	if(input == "a" || input == "i" || input == "u" || input == "e" || input == "o") {
+		return true
+	}
+	return false
+}
+
+func isAlphabet(s string) bool {
+	re := regexp.MustCompile(`^[a-zA-Z]*$`)
+
+	return re.MatchString(s)
+}
+
+func main() {
+	fmt.Print("Welcome to Vowel check, please input an alphabet to check is it a vowel or not. to exit the program please type 'end' in the input field \n")
+
+	// for is to make a loop so the program will always running until it stop by the user
+	for {
+		// scan input from terminal
+		scanner := bufio.NewScanner(os.Stdin)
+
+		fmt.Print("Enter a single string: ")
+
+		scanner.Scan()
+
+		input := scanner.Text()
+
+		// type end to end the program
+		if input == "end" {
+			break
+		}
+
+		// empty string validation & character validation
+		inputValidationOk := true
+
+		if input == "" || len(input) > 1 || !isAlphabet(input){
+			fmt.Println("Input only can an alphabet and cannot be empty")
+			inputValidationOk = false
+		}
+
+
+		if inputValidationOk {
+			characterCheck := isVowel(input)
+
+			if characterCheck {
+				fmt.Println("Vowel")
+			} else {
+				fmt.Println("Not a Vowel")
+			}
+		}
+	}
+}