Section11 Complete

Section11/89-6.go

@@ -0,0 +1,23 @@
+/*
+Consider the following slice declaration:
+friends := []string{"Marry", "John", "Paul", "Diana"}
+
+Using copy() function create a copy of the slice. Prove that the slices
+are not connected by modifying one slice and notice that the other slice is not modified.
+*/
+
+package main
+
+import "fmt"
+
+func main() {
+	friends := []string{"Marry", "John", "Paul", "Diana"}
+
+	yourFriends := make([]string, len(friends))
+	copy(yourFriends, friends)
+
+	yourFriends[0] = "Dan"
+
+	fmt.Println(friends, yourFriends)
+
+}

Section11/89-7.go

@@ -0,0 +1,24 @@
+/*
+Consider the following slice declaration:
+friends := []string{"Marry", "John", "Paul", "Diana"}
+
+Using append() function create a copy of the slice.
+Prove that the slices are not connected by modifying
+one slice and notice that the other slice is not modified.
+*/
+
+package main
+
+import "fmt"
+
+func main() {
+	friends := []string{"Marry", "John", "Paul", "Diana"}
+
+	yourFriends := []string{}
+
+	yourFriends = append(yourFriends, friends...)
+
+	yourFriends[0] = "Dan"
+
+	fmt.Println(friends, yourFriends)
+}

Section11/89-8.go

@@ -0,0 +1,23 @@
+/*
+Consider the following slice declaration:
+
+ years := []int{2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010}
+
+Using a slice expression and append() function create a new slice called
+newYears that contains the first 3 and the last 3 elements of the slice.
+newYears should be []int{2000, 2001, 2002, 2008, 2009, 2010}
+*/
+
+package main
+
+import "fmt"
+
+func main() {
+	years := []int{2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010}
+	newYears := []int{}
+
+	newYears = append(years[:3], years[len(years)-3:]...)
+
+	fmt.Printf("%#v\n", newYears)
+
+}