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20231104-KursPodstawowyALX
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Patryk Czarnik
20231104-KursPodstawowyALX
Commits
ba06c9f7
Commit
ba06c9f7
authored
Jan 06, 2024
by
Patryk Czarnik
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popraweczki
parent
1dd7de8c
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2 changed files
with
9 additions
and
4 deletions
+9
-4
PorownanieSzybkosciList.java
...ain/java/p12_kolekcje/a_list/PorownanieSzybkosciList.java
+2
-1
Sortowanie2.java
src/main/java/p12_kolekcje/s_sortowanie/Sortowanie2.java
+7
-3
No files found.
src/main/java/p12_kolekcje/a_list/PorownanieSzybkosciList.java
View file @
ba06c9f7
...
@@ -29,8 +29,9 @@ public class PorownanieSzybkosciList {
...
@@ -29,8 +29,9 @@ public class PorownanieSzybkosciList {
System
.
out
.
println
(
"\nDodawanie na początek... "
);
System
.
out
.
println
(
"\nDodawanie na początek... "
);
start
=
System
.
currentTimeMillis
();
start
=
System
.
currentTimeMillis
();
Integer
element
=
333
;
for
(
int
i
=
0
;
i
<
10000
;
i
++)
{
for
(
int
i
=
0
;
i
<
10000
;
i
++)
{
lista
.
add
(
0
,
333
);
// 333 jest elementem (wartością) a nie indeksem
lista
.
add
(
0
,
element
);
// Szybko dla LinkedList, wolno dla ArrayList
// Szybko dla LinkedList, wolno dla ArrayList
}
}
koniec
=
System
.
currentTimeMillis
();
koniec
=
System
.
currentTimeMillis
();
...
...
src/main/java/p12_kolekcje/s_sortowanie/Sortowanie2.java
View file @
ba06c9f7
...
@@ -13,7 +13,9 @@ public class Sortowanie2 {
...
@@ -13,7 +13,9 @@ public class Sortowanie2 {
String
[]
imiona
=
{
"Ala"
,
"Ola"
,
"Iwona"
,
"Magdalena"
,
"Joanna"
,
"Anna"
,
"Teresa"
,
String
[]
imiona
=
{
"Ala"
,
"Ola"
,
"Iwona"
,
"Magdalena"
,
"Joanna"
,
"Anna"
,
"Teresa"
,
"Żaneta"
,
"Ęcki"
,
"Ącki"
,
"ala"
,
"Agnieszka"
,
"Łucja"
,
"Julia"
,
"Julitta"
,
"Ela"
,
"Zuzanna"
};
"Żaneta"
,
"Ęcki"
,
"Ącki"
,
"ala"
,
"Agnieszka"
,
"Łucja"
,
"Julia"
,
"Julitta"
,
"Ela"
,
"Zuzanna"
};
List
<
String
>
lista
=
new
ArrayList
<>(
Arrays
.
asList
(
imiona
));
// List<String> lista = new ArrayList<>(Arrays.asList(imiona));
// od Java 9:
List
<
String
>
lista
=
new
ArrayList
<>(
List
.
of
(
imiona
));
System
.
out
.
println
(
lista
);
System
.
out
.
println
(
lista
);
// Pierwszy sposób utworzenia komparatora: oddzielna klasa
// Pierwszy sposób utworzenia komparatora: oddzielna klasa
...
@@ -29,7 +31,7 @@ public class Sortowanie2 {
...
@@ -29,7 +31,7 @@ public class Sortowanie2 {
System
.
out
.
println
(
lista
);
System
.
out
.
println
(
lista
);
// Drugi sposób utworzenia komparatora: klasa anonimowa
// Drugi sposób utworzenia komparatora: klasa anonimowa
// Składnia dost
e
pna od początków Javy
// Składnia dost
ę
pna od początków Javy
System
.
out
.
println
(
"\nlista.sort( klasa anonimowa )"
);
System
.
out
.
println
(
"\nlista.sort( klasa anonimowa )"
);
lista
.
sort
(
new
Comparator
<
String
>()
{
lista
.
sort
(
new
Comparator
<
String
>()
{
public
int
compare
(
String
s1
,
String
s2
)
{
public
int
compare
(
String
s1
,
String
s2
)
{
...
@@ -49,7 +51,9 @@ public class Sortowanie2 {
...
@@ -49,7 +51,9 @@ public class Sortowanie2 {
System
.
out
.
println
(
lista
);
System
.
out
.
println
(
lista
);
lista
.
sort
(
Collator
.
getInstance
(
Locale
.
CANADA_FRENCH
));
lista
.
sort
(
Collator
.
getInstance
(
Locale
.
CANADA_FRENCH
));
System
.
out
.
println
(
lista
);
System
.
out
.
println
(
lista
);
lista
.
sort
(
Collator
.
getInstance
(
new
Locale
(
"pl"
,
"PL"
)));
// lista.sort(Collator.getInstance(new Locale("pl", "PL")));
lista
.
sort
(
Collator
.
getInstance
(
Locale
.
of
(
"pl"
,
"PL"
)));
// lista.sort(Collator.getInstance(Locale.of("en", "US")));
System
.
out
.
println
(
lista
);
System
.
out
.
println
(
lista
);
}
}
}
}
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