ExamplePhone1
display
LCD
GSM
CPU
keyboard
ExamplePhone2
display
OLED
GSM
touchscreen
ExampleTablet1
display
AMOLED
HSPA
CPU 4
touchscreen
ExamplePhone3
display
LCD
GSM
CPU 4
keyboard
ExampleTablet2
display
AMOLED
HSPA
CPU 4
keyboard
abstract AndroidDevice1
xor display
LCD
OLED
AMOLED
[ no keyboard ]
GSM
HSPA ?
CPU 1..4
xor input
keyboard
touchscreen
abstract AndroidPhone : AndroidDevice
[ GSM ]
[ # CPU < 4 ]
abstract AndroidDevice
xor display
LCD
OLED
AMOLED
[ no keyboard ]
GSM ?
HSPA ?
CPU 1..4
xor input
keyboard
touchscreen
AndroidPhone4 : AndroidPhone
display
AMOLED
GSM
HSPA
CPU 2
input
touchscreen