test

mobile.go

@@ -0,0 +1,91 @@
+package main
+
+import (
+	"fmt"
+	"time"
+)
+
+// Mobile struct represents a mobile device.
+type Mobile struct {
+	Brand     string
+	Model     string
+	IsOn      bool
+	Battery   int
+	LastUsage time.Time
+}
+
+// TurnOn turns on the mobile device.
+func (m *Mobile) TurnOn() {
+	m.IsOn = true
+	m.LastUsage = time.Now()
+	fmt.Printf("%s %s is now turned on.\n", m.Brand, m.Model)
+}
+
+// TurnOff turns off the mobile device.
+func (m *Mobile) TurnOff() {
+	m.IsOn = false
+	fmt.Printf("%s %s is now turned off.\n", m.Brand, m.Model)
+}
+
+// UseMobile simulates the usage of the mobile device.
+func (m *Mobile) UseMobile(minutes int) {
+	if !m.IsOn {
+		fmt.Println("Please turn on the mobile device first.")
+		return
+	}
+
+	if m.Battery <= 0 {
+		fmt.Println("The mobile device is out of battery. Please charge it.")
+		return
+	}
+
+	m.LastUsage = time.Now()
+	fmt.Printf("Using %s %s for %d minutes.\n", m.Brand, m.Model, minutes)
+
+	// Simulate battery drain
+	m.Battery -= minutes
+	if m.Battery < 0 {
+		m.Battery = 0
+	}
+
+	// Check battery level
+	if m.Battery == 0 {
+		m.TurnOff()
+		fmt.Println("The mobile device is out of battery. Please charge it.")
+	}
+}
+
+// ChargeMobile charges the mobile device.
+func (m *Mobile) ChargeMobile(minutes int) {
+	m.LastUsage = time.Now()
+	m.Battery += minutes
+	if m.Battery > 100 {
+		m.Battery = 100
+	}
+	fmt.Printf("Charging %s %s for %d minutes.\n", m.Brand, m.Model, minutes)
+}
+
+func main() {
+	// Create a new mobile device
+	myMobile := Mobile{
+		Brand:   "Apple",
+		Model:   "iPhone X",
+		IsOn:    false,
+		Battery: 50,
+	}
+
+	// Turn on the mobile device
+	myMobile.TurnOn()
+
+	// Simulate using the mobile device
+	myMobile.UseMobile(60)
+
+	// Charge the mobile device
+	myMobile.ChargeMobile(30)
+
+	// Simulate using the mobile device again
+	myMobile.UseMobile(120)
+
+	// Turn off the mobile device
+	myMobile.TurnOff()
+}