init

01-hello.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+	fmt.Println("Hello World")
+}

02-numbers.go

@@ -0,0 +1,7 @@
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Println("1 + 1 =", 1 + 1)
+}

03-strings.go

@@ -0,0 +1,9 @@
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Println(len("Hello World"))
+    fmt.Println("Hello World"[1])
+    fmt.Println("Hello " + "World")
+}

04-booleans.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Println(true && true)
+    fmt.Println(true && false)
+    fmt.Println(true || true)
+    fmt.Println(true || false)
+    fmt.Println(!true)
+}

05-variable.go

@@ -0,0 +1,8 @@
+package main
+
+import "fmt"
+
+func main() {
+    var x string = "Hello World"
+    fmt.Println(x)
+}

06-mutation.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+func main() {
+    var x string
+    x = "first"
+    fmt.Println(x)
+    x = "second"
+    fmt.Println(x)
+}

07-literal.go

@@ -0,0 +1,8 @@
+package main
+
+import "fmt"
+
+func main() {
+	x := "Hello World"
+	fmt.Println(x)
+}

08-constant.go

@@ -0,0 +1,9 @@
+package main
+
+import "fmt"
+
+const x string = "Hello World"
+
+func main() {
+    fmt.Println(x)
+}

09-input.go

@@ -0,0 +1,11 @@
+package main
+
+import "fmt"
+
+func main() {
+    fmt.Print("Enter a number: ")
+    var input float64
+    fmt.Scanf("%f", &input)    
+    output := input * 2
+    fmt.Println(input, "* 2 =", output)    
+}