Section5.49 - COMPLETE

Section5 - Exercices S1-2-3-4/47.go

@@ -0,0 +1,83 @@
+/*
+Coding Exercise #1
+
+Consider the following variable declarations:
+
+    x, y, z := 10, 15.5, "Gophers"
+    score := []int{10, 20, 30}
+
+Using fmt.Printf():
+
+    Print each variable using a specific verb for its type
+
+    Print the string value enclosed by double quotes ("Gophers")
+
+    Print each variable using the same verb
+
+    Print the type of y and score
+
+package main
+
+import "fmt"
+
+func main() {
+	x, y, z := 10, 15.5, "Gophers"
+	score := []int{10, 20, 30}
+
+	fmt.Printf("x is %d, y is %f, z is %s\n", x, y, z)
+	fmt.Printf("score is %#v\n", score)
+	fmt.Printf("Values are %v,%v,%v,%v \n", x, y, z, score)
+	fmt.Printf("y is %T\nscore is %T\n", y, score)
+}
+*/
+
+/*
+Coding Exercise #2
+
+Consider the following constant declaration: const x float64 = 1.422349587101
+
+Write a Go program that prints the value of x with 4 decimal points.
+
+package main
+
+import "fmt"
+
+func main() {
+	const x float64 = 1.422349587101
+	fmt.Printf("%.4f\n", x)
+}
+*/
+
+/*
+Coding Exercise #3
+
+There are some errors in the following Go program. Try to identify the errors, change the code and run the program without errors.
+
+    package main
+
+    import "fmt"
+
+    func main() {
+    	shape := "circle"
+    	radius := 3.2
+    	const pi float64 = 3.14159
+    	circumference := 2 * pi * radius
+
+    	fmt.Printf("Shape: %q\n")
+    	fmt.Printf("Circle's circumference with radius %d is %b\n", radius, circumference)
+    	_ = shape
+    }
+*/
+package main
+
+import "fmt"
+
+func main() {
+	shape := "circle"
+	radius := 3.2
+	const pi float64 = 3.14159
+	var circumference float64 = float64(2) * pi * radius
+
+	fmt.Printf("Shape: %q\n", shape)
+	fmt.Printf("Circle's circumference with radius %f is %f\n", radius, circumference)
+}