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aichinos
ohj2
Commits
609622b2
Commit
609622b2
authored
1 month ago
by
aichinos
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haku metodi tehdy demossa
parent
a46c66e4
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mmkurssit/src/apumetodit/Haku.java
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mmkurssit/src/apumetodit/Haku.java
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609622b2
package
apumetodit
;
import
java.util.regex.Matcher
;
import
java.util.regex.Pattern
;
/**
* @author aichi
* @version 27 Feb 2025
*
*/
public
class
Haku
{
/**
* @param jono mistä etsitään haku-sanaa
* @param haku hakusana
* @return true, jos haku-string löytyy jonossa
* @example
* <pre name="test">
* String jono = "kissa";
* String haku1 = " k";
* String haku2 = " ";
* String haku3 = "SS";
* onkoSamat(jono, haku1) === true;
* onkoSamat(jono, haku2) === false;
* onkoSamat(jono, haku3) === true;
*/
public
static
boolean
onkoSamat
(
String
jono
,
String
haku
){
String
tasta
=
jono
.
trim
().
toLowerCase
();
String
regex
=
haku
.
trim
().
toLowerCase
();
if
(
tasta
.
length
()
==
0
||
regex
.
length
()
==
0
)
return
false
;
//System.out.println("."+tasta+".");
//System.out.println("."+regex+".");
Pattern
pattern
=
Pattern
.
compile
(
regex
);
Matcher
matcher
=
pattern
.
matcher
(
tasta
);
return
matcher
.
find
();
}
/**
* @param args ei käytössä
*/
public
static
void
main
(
String
[]
args
)
{
if
(
onkoSamat
(
"Matti Nykänen"
,
" matti* "
))
System
.
out
.
println
(
"Samat on!"
);
else
System
.
out
.
println
(
"Eivät ole."
);
}
}
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