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Patryk Czarnik
android_20250623
Commits
f77ec959
Commit
f77ec959
authored
Jun 23, 2025
by
Patryk Czarnik
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Przykłady for, if itp
parent
c8198924
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-0
PetlaFor.java
...rc/main/java/alx/czysta_java/p03_sterowanie/PetlaFor.java
+20
-0
Rozmowa.java
...src/main/java/alx/czysta_java/p03_sterowanie/Rozmowa.java
+19
-0
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Projekt2/czysta_java/src/main/java/alx/czysta_java/p03_sterowanie/PetlaFor.java
0 → 100644
View file @
f77ec959
package
alx
.
czysta_java
.
p03_sterowanie
;
public
class
PetlaFor
{
public
static
void
main
(
String
[]
args
)
{
// klasyczna pętla for (z języka C)
for
(
int
i
=
0
;
i
<
10
;
i
++)
{
System
.
out
.
println
(
i
+
" do potęgi 2 = "
+
(
i
*
i
));
}
// W Kotlin for i in 0..9
System
.
out
.
println
();
// pętla "for-each" - do przeglądania elementów talicy / kolekcji
String
[]
imiona
=
{
"Ala"
,
"Basia"
,
"Celina"
,
"Dorota"
};
for
(
String
imie
:
imiona
)
{
System
.
out
.
println
(
"Witaj "
+
imie
);
}
}
}
Projekt2/czysta_java/src/main/java/alx/czysta_java/p03_sterowanie/Rozmowa.java
0 → 100644
View file @
f77ec959
package
alx
.
czysta_java
.
p03_sterowanie
;
import
java.util.Scanner
;
public
class
Rozmowa
{
public
static
void
main
(
String
[]
args
)
{
Scanner
scanner
=
new
Scanner
(
System
.
in
);
System
.
out
.
print
(
"Jak masz na imię? "
);
var
imie
=
scanner
.
nextLine
();
System
.
out
.
println
(
"Witaj "
+
imie
);
System
.
out
.
print
(
"Ile masz lat? "
);
var
wiek
=
scanner
.
nextInt
();
if
(
wiek
>=
18
)
{
System
.
out
.
println
(
"Możesz kupić piwo"
);
}
else
{
System
.
out
.
println
(
"Jesteś osobą niepełnoletnią"
);
}
}
}
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