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alx_mszczonow_1
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Patryk Czarnik
alx_mszczonow_1
Commits
6f0aec66
Commit
6f0aec66
authored
Jul 11, 2023
by
Patryk Czarnik
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Dropne zmiany stylu w streamach
parent
e54522cf
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SumaWJednymMiescie_Funkcyjnie.java
src/main/java/sprzedaz/SumaWJednymMiescie_Funkcyjnie.java
+2
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src/main/java/sprzedaz/SumaWJednymMiescie_Funkcyjnie.java
View file @
6f0aec66
...
@@ -14,14 +14,14 @@ public class SumaWJednymMiescie_Funkcyjnie {
...
@@ -14,14 +14,14 @@ public class SumaWJednymMiescie_Funkcyjnie {
BigDecimal
suma
=
lista
.
stream
()
BigDecimal
suma
=
lista
.
stream
()
.
filter
(
r
->
miasto
.
equalsIgnoreCase
(
r
.
miasto
()))
.
filter
(
r
->
miasto
.
equalsIgnoreCase
(
r
.
miasto
()))
.
map
(
r
->
r
.
cena
().
multiply
(
BigDecimal
.
valueOf
(
r
.
sztuk
())))
.
map
(
r
->
r
.
cena
().
multiply
(
BigDecimal
.
valueOf
(
r
.
sztuk
())))
.
reduce
(
BigDecimal
.
ZERO
,
(
a
,
b
)
->
a
.
add
(
b
)
)
.
reduce
(
BigDecimal
.
ZERO
,
BigDecimal:
:
add
)
;
;
// wersja double
// wersja double
double
sumaD
=
lista
.
stream
()
double
sumaD
=
lista
.
stream
()
.
filter
(
r
->
miasto
.
equalsIgnoreCase
(
r
.
miasto
()))
.
filter
(
r
->
miasto
.
equalsIgnoreCase
(
r
.
miasto
()))
.
mapToDouble
(
r
->
r
.
cena
().
doubleValue
()
*
r
.
sztuk
())
.
mapToDouble
(
r
->
r
.
cena
().
doubleValue
()
*
r
.
sztuk
())
.
reduce
(
0.0
,
(
a
,
b
)
->
a
+
b
);
.
sum
(
);
JOptionPane
.
showMessageDialog
(
null
,
JOptionPane
.
showMessageDialog
(
null
,
"Suma BD = "
+
suma
+
"\nSuma db = "
+
sumaD
);
"Suma BD = "
+
suma
+
"\nSuma db = "
+
sumaD
);
...
...
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