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Patryk Czarnik
jvstd1
Commits
0263eccd
Commit
0263eccd
authored
Oct 16, 2024
by
Patryk Czarnik
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wątki - początek
parent
93a3da41
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3 changed files
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98 additions
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-0
A_PierwszyProgram.java
src/main/java/p19_watki/podstawy/A_PierwszyProgram.java
+30
-0
B_Problem_ZmiennaGlobalna.java
...in/java/p19_watki/podstawy/B_Problem_ZmiennaGlobalna.java
+33
-0
B_Problem_ZmiennaGlobalna_BezPrint.java
...19_watki/podstawy/B_Problem_ZmiennaGlobalna_BezPrint.java
+35
-0
No files found.
src/main/java/p19_watki/podstawy/A_PierwszyProgram.java
0 → 100644
View file @
0263eccd
package
p19_watki
.
podstawy
;
public
class
A_PierwszyProgram
{
public
static
void
main
(
String
[]
args
)
{
System
.
out
.
println
(
"Początek main"
);
Thread
watek0
=
new
Thread
();
Thread
watekA
=
new
Thread
(()
->
{
System
.
out
.
println
(
"A początek"
);
for
(
int
i
=
1
;
i
<=
1000
;
i
++)
{
System
.
out
.
println
(
"A "
+
i
);
}
System
.
out
.
println
(
"A koniec"
);
});
Thread
watekB
=
new
Thread
(()
->
{
System
.
out
.
println
(
"B początek"
);
for
(
int
i
=
1
;
i
<=
1000
;
i
++)
{
System
.
out
.
println
(
"B "
+
i
);
}
System
.
out
.
println
(
"B koniec"
);
});
watek0
.
start
();
// nic nie robi :-)
watekA
.
start
();
watekB
.
start
();
System
.
out
.
println
(
"Koniec main"
);
}
}
src/main/java/p19_watki/podstawy/B_Problem_ZmiennaGlobalna.java
0 → 100644
View file @
0263eccd
package
p19_watki
.
podstawy
;
import
java.util.concurrent.atomic.AtomicInteger
;
public
class
B_Problem_ZmiennaGlobalna
{
static
int
liczba
=
0
;
static
AtomicInteger
liczbaAtomowa
=
new
AtomicInteger
(
0
);
static
final
int
N
=
100_000
;
public
static
void
main
(
String
[]
args
)
{
System
.
out
.
println
(
"Początek main"
);
Thread
watekA
=
new
Thread
(()
->
{
System
.
out
.
println
(
"A początek"
);
for
(
int
i
=
1
;
i
<=
N
;
i
++)
{
System
.
out
.
println
(
"A "
+
i
+
" "
+
++
liczba
+
" "
+
liczbaAtomowa
.
incrementAndGet
());
}
System
.
out
.
println
(
"A koniec"
);
});
Thread
watekB
=
new
Thread
(()
->
{
System
.
out
.
println
(
"B początek"
);
for
(
int
i
=
1
;
i
<=
N
;
i
++)
{
System
.
out
.
println
(
"B "
+
i
+
" "
+
++
liczba
+
" "
+
liczbaAtomowa
.
incrementAndGet
());
}
System
.
out
.
println
(
"B koniec"
);
});
watekA
.
start
();
watekB
.
start
();
System
.
out
.
println
(
"Koniec main"
);
}
}
src/main/java/p19_watki/podstawy/B_Problem_ZmiennaGlobalna_BezPrint.java
0 → 100644
View file @
0263eccd
package
p19_watki
.
podstawy
;
import
java.util.concurrent.atomic.AtomicInteger
;
public
class
B_Problem_ZmiennaGlobalna_BezPrint
{
static
int
liczba
=
0
;
static
AtomicInteger
liczbaAtomowa
=
new
AtomicInteger
(
0
);
static
final
int
N
=
100_000
;
public
static
void
main
(
String
[]
args
)
{
System
.
out
.
println
(
"Początek main"
);
Thread
watekA
=
new
Thread
(()
->
{
System
.
out
.
println
(
"A początek"
);
for
(
int
i
=
1
;
i
<=
N
;
i
++)
{
++
liczba
;
liczbaAtomowa
.
incrementAndGet
();
}
System
.
out
.
println
(
"A koniec "
+
liczba
+
" "
+
liczbaAtomowa
);
});
Thread
watekB
=
new
Thread
(()
->
{
System
.
out
.
println
(
"B początek"
);
for
(
int
i
=
1
;
i
<=
N
;
i
++)
{
++
liczba
;
liczbaAtomowa
.
incrementAndGet
();
}
System
.
out
.
println
(
"B koniec "
+
liczba
+
" "
+
liczbaAtomowa
);
});
watekA
.
start
();
watekB
.
start
();
System
.
out
.
println
(
"Koniec main"
);
}
}
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