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RADELLAH Badr
Formula
Commits
9a6ddad7
Commit
9a6ddad7
authored
8 months ago
by
RADELLAH Badr
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Plain Diff
Formula TP2
parent
ad925775
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Changes
3
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3 changed files
src/main/java/formula/Product.java
+9
-30
9 additions, 30 deletions
src/main/java/formula/Product.java
src/main/java/formula/Sum.java
+9
-30
9 additions, 30 deletions
src/main/java/formula/Sum.java
src/main/java/formula/VariadicOperator.java
+39
-0
39 additions, 0 deletions
src/main/java/formula/VariadicOperator.java
with
57 additions
and
60 deletions
src/main/java/formula/Product.java
+
9
−
30
View file @
9a6ddad7
package
formula
;
public
class
Product
implements
Formula
{
private
Formula
[]
formulas
;
public
class
Product
extends
VariadicOperator
{
public
Product
(
Formula
...
formulas
)
{
this
.
formulas
=
formulas
;
}
// Retourne la valeur initiale pour le produit (1)
public
double
initialValue
()
{
return
1
;
}
// Cumul des valeurs pour le produit (multiplication)
public
double
cumulativeValue
(
double
accumulator
,
double
value
)
{
return
accumulator
*
value
;
super
(
formulas
);
}
@Override
public
String
asString
()
{
StringBuilder
sb
=
new
StringBuilder
(
"("
);
for
(
int
i
=
0
;
i
<
formulas
.
length
;
i
++)
{
sb
.
append
(
formulas
[
i
].
asString
());
if
(
i
<
formulas
.
length
-
1
)
sb
.
append
(
symbol
());
}
sb
.
append
(
")"
);
return
sb
.
toString
();
public
String
symbol
()
{
return
"*"
;
}
@Override
public
double
asValue
()
{
double
result
=
initialValue
();
// Initialise avec la valeur de départ (1 pour Product)
for
(
Formula
formula
:
formulas
)
{
result
=
cumulativeValue
(
result
,
formula
.
asValue
());
// Multiplie chaque valeur
}
return
result
;
public
double
initialValue
()
{
return
1
;
}
// Méthode symbol() comme déjà défini
e
public
String
symbol
(
)
{
return
"*"
;
@Overrid
e
public
double
cumulativeValue
(
double
accumulator
,
double
value
)
{
return
accumulator
*
value
;
}
}
This diff is collapsed.
Click to expand it.
src/main/java/formula/Sum.java
+
9
−
30
View file @
9a6ddad7
package
formula
;
public
class
Sum
implements
Formula
{
private
Formula
[]
formulas
;
public
class
Sum
extends
VariadicOperator
{
public
Sum
(
Formula
...
formulas
)
{
this
.
formulas
=
formulas
;
}
// Retourne la valeur initiale pour la somme (0)
public
double
initialValue
()
{
return
0
;
}
// Cumul des valeurs pour la somme (addition)
public
double
cumulativeValue
(
double
accumulator
,
double
value
)
{
return
accumulator
+
value
;
super
(
formulas
);
}
@Override
public
String
asString
()
{
StringBuilder
sb
=
new
StringBuilder
(
"("
);
for
(
int
i
=
0
;
i
<
formulas
.
length
;
i
++)
{
sb
.
append
(
formulas
[
i
].
asString
());
if
(
i
<
formulas
.
length
-
1
)
sb
.
append
(
symbol
());
}
sb
.
append
(
")"
);
return
sb
.
toString
();
public
String
symbol
()
{
return
"+"
;
}
@Override
public
double
asValue
()
{
double
result
=
initialValue
();
// Initialise avec la valeur de départ (0 pour Sum)
for
(
Formula
formula
:
formulas
)
{
result
=
cumulativeValue
(
result
,
formula
.
asValue
());
// Ajoute chaque valeur
}
return
result
;
public
double
initialValue
()
{
return
0
;
}
// Méthode symbol() comme déjà défini
e
public
String
symbol
(
)
{
return
"+"
;
@Overrid
e
public
double
cumulativeValue
(
double
accumulator
,
double
value
)
{
return
accumulator
+
value
;
}
}
This diff is collapsed.
Click to expand it.
src/main/java/formula/VariadicOperator.java
0 → 100644
+
39
−
0
View file @
9a6ddad7
package
formula
;
public
abstract
class
VariadicOperator
implements
Formula
{
protected
Formula
[]
formulas
;
public
VariadicOperator
(
Formula
...
formulas
)
{
this
.
formulas
=
formulas
;
}
// Méthode abstraite pour le symbole
public
abstract
String
symbol
();
// Méthode abstraite pour la valeur initiale de l'opération
public
abstract
double
initialValue
();
// Méthode abstraite pour le cumul des valeurs
public
abstract
double
cumulativeValue
(
double
accumulator
,
double
value
);
@Override
public
String
asString
()
{
StringBuilder
sb
=
new
StringBuilder
(
"("
);
for
(
int
i
=
0
;
i
<
formulas
.
length
;
i
++)
{
sb
.
append
(
formulas
[
i
].
asString
());
if
(
i
<
formulas
.
length
-
1
)
sb
.
append
(
symbol
());
}
sb
.
append
(
")"
);
return
sb
.
toString
();
}
@Override
public
double
asValue
()
{
double
result
=
initialValue
();
for
(
Formula
formula
:
formulas
)
{
result
=
cumulativeValue
(
result
,
formula
.
asValue
());
}
return
result
;
}
}
This diff is collapsed.
Click to expand it.
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