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JavaExercises/Java 1/HW7Lesson.java at master · biblelamp/JavaExercises · GitHub
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/**
* Java. Level 1. Lesson 7. Example of homework
*
* @author Sergey Iryupin
* @version dated Oct 20, 2017
*/
class
HW7Lesson
{
public
static
void
main
(
String
[]
args
) {
Cat
[]
cats
= {
new
Cat
(
"Barsik"
,
15
),
new
Cat
(
"Murzik"
,
10
),
new
Cat
(
"Vasily"
,
20
)
};
Plate
plate
=
new
Plate
(
50
,
30
);
System
.
out
.
println
(
plate
);
// feeding cats first time
for
(
Cat
cat
:
cats
) {
cat
.
eat
(
plate
);
System
.
out
.
println
(
cat
);
}
// adding food in the plate
System
.
out
.
println
(
plate
);
plate
.
add
(
40
);
System
.
out
.
println
(
plate
);
// feeding cats second time
for
(
Cat
cat
:
cats
) {
cat
.
setFullness
(
false
);
cat
.
eat
(
plate
);
System
.
out
.
println
(
cat
);
}
System
.
out
.
println
(
plate
);
}
}
class
Cat
{
protected
String
name
;
protected
int
appetite
;
// ability to eat for 1 time
protected
boolean
fullness
;
// satiety status
Cat
(
String
name
,
int
appetite
) {
this
.
name
=
name
;
this
.
appetite
=
appetite
;
fullness
=
false
;
}
void
setFullness
(
boolean
status
) {
fullness
=
status
;
}
void
eat
(
Plate
plate
) {
if
(!
fullness
)
fullness
=
plate
.
decreaseFood
(
appetite
);
}
@
Override
public
String
toString
() {
return
"{name="
+
name
+
", appetite="
+
appetite
+
", fullness="
+
fullness
+
"}"
;
}
}
class
Plate
{
protected
int
volume
;
protected
int
food
;
Plate
(
int
volume
,
int
food
) {
this
.
volume
=
volume
;
this
.
food
=
food
;
}
boolean
decreaseFood
(
int
portion
) {
if
(
food
<
portion
)
return
false
;
food
-=
portion
;
return
true
;
}
void
add
(
int
food
) {
if
(
this
.
food
+
food
<=
volume
)
this
.
food
+=
food
;
}
@
Override
public
String
toString
() {
return
"plate: "
+
food
;
}
}
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