JavaRush /ื‘ืœื•ื’ Java /Random-HE /ื”ืชื™ื™ื—ืกื•ืช ืœืกื•ื’ื™ ื ืชื•ื ื™ื ื‘-Java

ื”ืชื™ื™ื—ืกื•ืช ืœืกื•ื’ื™ ื ืชื•ื ื™ื ื‘-Java

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ื‘ืœื™ ืœื”ื‘ื™ืŸ ืืช ืชื—ื‘ื™ืจ ื’'ืื•ื•ื”, ืื™ ืืคืฉืจ ืœื”ืคื•ืš ืœืžืคืชื— ืจืฆื™ื ื™, ืื– ื”ื™ื•ื ืื ื—ื ื• ืžืžืฉื™ื›ื™ื ืœืœืžื•ื“ ืืช ื”ืชื—ื‘ื™ืจ. ื‘ืื—ื“ ื”ืžืืžืจื™ื ื”ืงื•ื“ืžื™ื ื“ื™ื‘ืจื ื• ืขืœ ืžืฉืชื ื™ื ืคืจื™ืžื™ื˜ื™ื‘ื™ื™ื, ืืš ืžื›ื™ื•ื•ืŸ ืฉื™ืฉื ื ืฉื ื™ ืกื•ื’ื™ ืžืฉืชื ื™ื, ื”ื™ื•ื ื ื“ื‘ืจ ืขืœ ื”ืกื•ื’ ื”ืฉื ื™ โ€“ ื˜ื™ืคื•ืกื™ ื”ืชื™ื™ื—ืกื•ืช ื‘ื’'ืื•ื•ื”. ืื– ืžื” ื–ื”? ืžื“ื•ืข ื ื“ืจืฉื™ื ืกื•ื’ื™ ื ืชื•ื ื™ ืขื–ืจ ื‘-Java? ื”ืชื™ื™ื—ืกื•ืช ืœืกื•ื’ื™ ื ืชื•ื ื™ื ื‘-Java - 1ื‘ื•ืื• ื ื“ืžื™ื™ืŸ ืฉื™ืฉ ืœื ื• ืื•ื‘ื™ื™ืงื˜ ื˜ืœื•ื•ื™ื–ื™ื” ืขื ื›ืžื” ืžืืคื™ื™ื ื™ื, ื›ืžื• ืžืกืคืจ ืขืจื•ืฅ, ืขื•ืฆืžืช ืงื•ืœ ื•ื“ื’ืœ:
public class TV {
   int numberOfChannel;
   int soundVolume;
   boolean isOn;
}
ืื™ืš ืกื•ื’ ืคืฉื•ื˜ ื›ืžื• , ื™ื›ื•ืœ intืœืื—ืกืŸ ืืช ื”ื ืชื•ื ื™ื ื”ืืœื”? ื‘ื•ืื• ื ื–ื›ื•ืจ: ืžืฉืชื ื” ืื—ื“ intื”ื•ื 4 ื‘ืชื™ื. ืื‘ืœ ื‘ืคื ื™ื ื™ืฉ ืฉื ื™ ืžืฉืชื ื™ื (4 ื‘ืชื™ื + 4 ื‘ืชื™ื) ืžืื•ืชื• ืกื•ื’, ื•ื’ื boolean(+1 ื‘ืชื™ื)... ืกืš ื”ื›ืœ - 4 ืขื“ 9, ืื‘ืœ ื›ื›ืœืœ, ื”ืจื‘ื” ื™ื•ืชืจ ืžื™ื“ืข ืžืื•ื—ืกืŸ ื‘ืื•ื‘ื™ื™ืงื˜. ืžื” ืœืขืฉื•ืช? ืืชื” ืœื ื™ื›ื•ืœ ืœื”ื›ื ื™ืก ืื•ื‘ื™ื™ืงื˜ ืœืžืฉืชื ื”. ื‘ืฉืœื‘ ื–ื” ื‘ืกื™ืคื•ืจ ืฉืœื ื•, ืžืฉืชื ื™ ื”ืชื™ื™ื—ืกื•ืช ืžื•ืคื™ืขื™ื. ืžืฉืชื ื™ ื”ืชื™ื™ื—ืกื•ืช ืžืื—ืกื ื™ื ืืช ื”ื›ืชื•ื‘ืช ืฉืœ ืžื™ืงื•ื ื”ื–ื™ื›ืจื•ืŸ ืฉื‘ื• ื ืžืฆื ืื•ื‘ื™ื™ืงื˜ ืกืคืฆื™ืคื™. ื›ืœื•ืžืจ, ืžื“ื•ื‘ืจ ื‘"ื›ืจื˜ื™ืก ื‘ื™ืงื•ืจ" ืขื ื›ืชื•ื‘ืช, ืฉื‘ืืžืฆืขื•ืชื• ื ื•ื›ืœ ืœืžืฆื•ื ืืช ื”ืื•ื‘ื™ื™ืงื˜ ืฉืœื ื• ื‘ื–ื™ื›ืจื•ืŸ ื”ืžืฉื•ืชืฃ ื•ืœื‘ืฆืข ืื™ืชื• ื›ืžื” ืžื ื™ืคื•ืœืฆื™ื•ืช. ื”ืคื ื™ื” ืœื›ืœ ืื•ื‘ื™ื™ืงื˜ ื‘-Java ื”ื™ื ืžืฉืชื ื” ื”ืชื™ื™ื—ืกื•ืช. ื›ืš ื–ื” ื™ื™ืจืื” ืขื ืื•ื‘ื™ื™ืงื˜ ื”ื˜ืœื•ื•ื™ื–ื™ื” ืฉืœื ื•:
TV telly = new TV();
ื”ื’ื“ืจื ื• ืžืฉืชื ื” ืžืกื•ื’ TV ืขื ืฉื tellyืœืงื™ืฉื•ืจ ืœืื•ื‘ื™ื™ืงื˜ ืฉื ื•ืฆืจ ืžืกื•ื’ TV. ื›ืœื•ืžืจ, ื”-JVM ืžืงืฆื” ื–ื™ื›ืจื•ืŸ ืขืœ ื”ืขืจื™ืžื” ืขื‘ื•ืจ ืื•ื‘ื™ื™ืงื˜ ื”ื˜ืœื•ื•ื™ื–ื™ื”, ื™ื•ืฆืจ ืื•ืชื• ื•ืืช ื”ื›ืชื•ื‘ืช ืœืžื™ืงื•ืžื• ื‘ื–ื™ื›ืจื•ืŸ, ืžื›ื ื™ืก ืื•ืชื• ืœืžืฉืชื ื” telly, ืืฉืจ ืžืื•ื—ืกืŸ ื‘ืขืจื™ืžื”. ืืชื” ื™ื›ื•ืœ ืœืงืจื•ื ืขื•ื“ ืขืœ ื–ื™ื›ืจื•ืŸ, ื›ืœื•ืžืจ ื”ืžื—ืกื ื™ืช ื•ื”ืจื‘ื” ืžื™ื“ืข ืฉื™ืžื•ืฉื™ ืื—ืจ, ื‘ื”ืจืฆืื” ื–ื• . ืžืฉืชื ื” ืžืกื•ื’ TV ื•ืื•ื‘ื™ื™ืงื˜ ืžืกื•ื’ TV, ืฉืžืชื ืœื‘? ื–ื” ืœื ื‘ื›ื“ื™: ืื•ื‘ื™ื™ืงื˜ื™ื ืžืกื•ื’ ืžืกื•ื™ื ื—ื™ื™ื‘ื™ื ืœื”ื™ื•ืช ื‘ืขืœื™ ืžืฉืชื ื™ื ืžืชืื™ืžื™ื ืžืื•ืชื• ืกื•ื’ (ืœื ืกื•ืคืจื™ื ืืช ื”ื”ื˜ืžืขื•ืช ืฉืœ ื™ืจื•ืฉื” ื•ืžืžืฉืง, ืื‘ืœ ืขื›ืฉื™ื• ืื ื—ื ื• ืœื ืœื•ืงื—ื™ื ืืช ื–ื” ื‘ื—ืฉื‘ื•ืŸ). ืื—ืจื™ ื”ื›ืœ, ืื ื—ื ื• ืœื ื”ื•ืœื›ื™ื ืœืžื–ื•ื’ ืžืจืง ืœื›ื•ืกื•ืช, ื ื›ื•ืŸ? ืžืกืชื‘ืจ ืฉื”ืื•ื‘ื™ื™ืงื˜ ืฉืœื ื• ื”ื•ื ื˜ืœื•ื•ื™ื–ื™ื”, ื•ืžืฉืชื ื” ื”ื™ื™ื—ื•ืก ืขื‘ื•ืจื• ื”ื•ื ื›ืžื• ืœื•ื— ื‘ืงืจื”. ื‘ืืžืฆืขื•ืช ืฉืœื˜ ืจื—ื•ืง ื–ื” ื ื•ื›ืœ ืœื™ืฆื•ืจ ืื™ื ื˜ืจืืงืฆื™ื” ืขื ื”ืื•ื‘ื™ื™ืงื˜ ืฉืœื ื• ื•ื”ื ืชื•ื ื™ื ืฉืœื•. ืœื“ื•ื’ืžื”, ื”ื’ื“ืจ ืืช ื”ืžืืคื™ื™ื ื™ื ืขื‘ื•ืจ ื”ื˜ืœื•ื•ื™ื–ื™ื” ืฉืœื ื•:
telly.isOn = true;
telly.numberOfChannel = 53;
telly.soundVolume = 20;
ื›ืืŸ ื”ืฉืชืžืฉื ื• ื‘ืื•ืคืจื˜ื•ืจ ื”ื ืงื•ื“ื” .ื›ื“ื™ ืœื’ืฉืช ื•ืœื”ืชื—ื™ืœ ืœื”ืฉืชืžืฉ ื‘ืืœืžื ื˜ื™ื ื”ืคื ื™ืžื™ื™ื ืฉืœ ื”ืื•ื‘ื™ื™ืงื˜ ืฉืืœื™ื• ื”ืžืฉืชื ื” ืžืชื™ื™ื—ืก. ืœื“ื•ื’ืžื”, ื‘ืฉื•ืจื” ื”ืจืืฉื•ื ื” ืืžืจื ื• ืœืžืฉืชื ื” telly: "ืชืŸ ืœื ื• ืžืฉืชื ื” ืคื ื™ืžื™ isOnืฉืœ ื”ืื•ื‘ื™ื™ืงื˜ ืฉืืœื™ื• ืืชื” ืžืชื™ื™ื—ืก ื•ื”ื’ื“ืจ ืื•ืชื• ื›-true" (ืชื“ืœื™ืง ืœื ื• ืืช ื”ื˜ืœื•ื•ื™ื–ื™ื”).

ื”ื’ื“ืจื” ืžื—ื“ืฉ ืฉืœ ืžืฉืชื ื™ ื”ืชื™ื™ื—ืกื•ืช

ื ื ื™ื— ืฉื™ืฉ ืœื ื• ืฉื ื™ ืžืฉืชื ื™ื ืžืกื•ื’ ื”ืคื ื™ื” ื•ื”ืื•ื‘ื™ื™ืงื˜ื™ื ืฉื”ื ืžืชื™ื™ื—ืกื™ื ืืœื™ื”ื:
TV firstTV = new TV();
TV secondTV = new TV();
ืื ื ื›ืชื•ื‘:
firstTV = secondTV;
ื–ื” ืื•ืžืจ ืฉื”ืงืฆื ื• ืœืžืฉืชื ื” ื”ืจืืฉื•ืŸ ื›ืขืจืš ืขื•ืชืง ืฉืœ ื”ื›ืชื•ื‘ืช (ืขืจืš ืกื™ื‘ื™ื•ืช ื”ื›ืชื•ื‘ืช) ืœืื•ื‘ื™ื™ืงื˜ ื”ืฉื ื™, ื•ื›ืขืช ืฉื ื™ ื”ืžืฉืชื ื™ื ืžืชื™ื™ื—ืกื™ื ืœืื•ื‘ื™ื™ืงื˜ ื”ืฉื ื™ (ื‘ืžื™ืœื™ื ืื—ืจื•ืช, ืฉื ื™ ืฉืœื˜ื™ื ืจื—ื•ืงื™ื ืœืื•ืชื• ืื•ื‘ื™ื™ืงื˜ ื˜ึตืœึถื•ึดื™ื–ึดื™ึธื”). ื™ื—ื“ ืขื ื–ืืช, ื”ืื•ื‘ื™ื™ืงื˜ ื”ืจืืฉื•ืŸ ื ื•ืชืจ ืœืœื ืžืฉืชื ื” ื”ืžืชื™ื™ื—ืก ืืœื™ื•. ื›ืชื•ืฆืื” ืžื›ืš, ื™ืฉ ืœื ื• ืื•ื‘ื™ื™ืงื˜ ืฉืœื ื ื™ืชืŸ ืœื’ืฉืช ืืœื™ื•, ื›ื™ ื”ืžืฉืชื ื” ื”ื™ื” ื—ื•ื˜ ื›ืœ ื›ืš ืžื•ืชื ื” ืœื•, ืฉื‘ืœืขื“ื™ื• ื”ื•ื ื”ื•ืคืš ืœื–ื‘ืœ, ืคืฉื•ื˜ ืฉื•ื›ื‘ ื‘ื–ื™ื›ืจื•ืŸ ื•ืชื•ืคืก ืžืงื•ื. ื—ืคืฅ ื–ื” ื™ื•ืฉืžื“ ืœืื—ืจ ืžื›ืŸ ืžื”ื–ื™ื›ืจื•ืŸ ืขืœ ื™ื“ื™ ืืกืคืŸ ื”ืืฉืคื” . ื”ืชื™ื™ื—ืกื•ืช ืœืกื•ื’ื™ ื ืชื•ื ื™ื ื‘-Java - 2ืืชื” ื™ื›ื•ืœ ืœืฉื‘ื•ืจ ืืช ื”ื—ื•ื˜ ื”ืžื—ื‘ืจ ืขื ืื•ื‘ื™ื™ืงื˜ ืœืœื ืงื™ืฉื•ืจ ื ื•ืกืฃ:
secondTV = null;
ื›ืชื•ืฆืื” ืžื›ืš, ื™ื”ื™ื” ืจืง โ€‹โ€‹ืงื™ืฉื•ืจ ืื—ื“ ืœืื•ื‘ื™ื™ืงื˜ - firstTV, secondTVื•ืœื ื™ืคื ื” ื™ื•ืชืจ ืœืืฃ ืื—ื“ (ืžื” ืฉืœื ืžื•ื ืข ืžืื™ืชื ื• ืœื”ืงืฆื•ืช ืœื• ืงื™ืฉื•ืจ ืœืื•ื‘ื™ื™ืงื˜ ื›ืœืฉื”ื• ื›ืžื• ื˜ืœื•ื•ื™ื–ื™ื” ื‘ืขืชื™ื“).

ืฉื™ืขื•ืจ ืžื™ืชืจ

ื‘ื ืคืจื“, ื‘ืจืฆื•ื ื™ ืœื”ื–ื›ื™ืจ ืืช ืžื—ืœืงื” String . ื–ื•ื”ื™ ืžื—ืœืงื” ื‘ืกื™ืก ื”ืžื™ื•ืขื“ืช ืœืื—ืกื•ืŸ ื•ืขื‘ื•ื“ื” ืขื ื ืชื•ื ื™ื ื”ืžืื•ื—ืกื ื™ื ื›ืžื—ืจื•ื–ืช. ื“ื•ื’ืžื:
String text = new String("This TV is very loud");
ื›ืืŸ ื”ืขื‘ืจื ื• ืžื—ืจื•ื–ืช ืฉืชื”ื™ื” ืžืื•ื—ืกื ืช ื‘ืงื•ื ืกื˜ืจื•ืงื˜ื•ืจ ืฉืœ ื”ืื•ื‘ื™ื™ืงื˜. ืื‘ืœ ืืฃ ืื—ื“ ืœื ืขื•ืฉื” ืืช ื–ื”. ืื—ืจื™ ื”ื›ืœ, ื ื™ืชืŸ ืœื™ืฆื•ืจ ืžื—ืจื•ื–ื•ืช:
String text = "This TV is very loud";
ื”ืจื‘ื” ื™ื•ืชืจ ื ื•ื—, ื ื›ื•ืŸ? ืžื‘ื—ื™ื ืช ืคื•ืคื•ืœืจื™ื•ืช ื”ืฉื™ืžื•ืฉ, Stringื”ื•ื ืœื ื ื—ื•ืช ืžื˜ื™ืคื•ืกื™ื ืคืจื™ืžื™ื˜ื™ื‘ื™ื™ื, ืื‘ืœ ื”ื•ื ืขื“ื™ื™ืŸ ืžื—ืœืงื”, ื•ื”ืžืฉืชื ื” ืฉืžืชื™ื™ื—ืก ืืœื™ื• ืื™ื ื• ื˜ื™ืคื•ืก ืคืจื™ืžื™ื˜ื™ื‘ื™, ืืœื ื˜ื™ืคื•ืก ื”ืชื™ื™ื—ืกื•ืช. ื™ืฉ ืœื ื• Stringืืช ื”ื™ื›ื•ืœืช ื”ื ืคืœืื” ื”ื–ื• ืœืฉืจืฉืจ ืžื—ืจื•ื–ื•ืช:
String text = "This TV" + " is very loud";
ื›ืชื•ืฆืื” ืžื›ืš, ื ืงื‘ืœ ืฉื•ื‘ ืืช ื”ื˜ืงืกื˜: This TV is very loud, ืžื›ื™ื•ื•ืŸ ืฉืฉืชื™ ื”ืฉื•ืจื•ืช ื™ืฉื•ืœื‘ื• ืœื›ื“ื™ ืฉืœื ืื—ื“, ื•ื”ืžืฉืชื ื” ื™ืคื ื” ืœื˜ืงืกื˜ ื”ืžืœื ื”ื–ื”. ื ื™ื•ืื ืก ื—ืฉื•ื‘ ื”ื•ื ืฉืžื“ื•ื‘ืจ Stringื‘ืžืขืžื“ ื‘ืœืชื™ ืžืฉืชื ื”. ืžื” ื–ื” ืื•ืžืจ? ื ื™ืงื— ืืช ื”ื“ื•ื’ืžื” ื”ื–ื•:
String text = "This TV";
text = text + " is very loud";
ื ืจืื” ืฉื”ื›ืœ ืคืฉื•ื˜: ืื ื• ืžื›ืจื™ื–ื™ื ืขืœ ืžืฉืชื ื”, ื ื•ืชื ื™ื ืœื• ืขืจืš. ื‘ืฉื•ืจื” ื”ื‘ืื” ื ืฉื ื” ืื•ืชื•. ืื‘ืœ ืื ื—ื ื• ืœื ื‘ืืžืช ืžืฉืชื ื™ื. ืžื›ื™ื•ื•ืŸ ืฉืžื“ื•ื‘ืจ ื‘ืžื—ืœืงื” ื‘ืœืชื™ ื ื™ืชื ืช ืœืฉื™ื ื•ื™, ื‘ืฉื•ืจื” ื”ืฉื ื™ื™ื” ื”ืขืจืš ื”ื”ืชื—ืœืชื™ ืื™ื ื• ืžืฉืชื ื”, ืืœื ื ื•ืฆืจ ืื—ื“ ื—ื“ืฉ, ืืฉืจ ื‘ืชื•ืจื• ืžื•ืจื›ื‘ ืžื”ืจืืฉื•ืŸ + " is very loud".

ืงื‘ื•ืขื™ ื”ืชื™ื™ื—ืกื•ืช

ื‘ืžืืžืจ ืขืœ ื˜ื™ืคื•ืกื™ื ืคืจื™ืžื™ื˜ื™ื‘ื™ื™ื ื ื’ืขื ื• ื‘ื ื•ืฉื ื”ืงื‘ื•ืขื™ื. ื›ื™ืฆื“ ื™ืชื ื”ื’ ืžืฉืชื ื” ื”ืชื™ื™ื—ืกื•ืช ื›ืฉื ื›ืจื™ื– ืขืœื™ื• ื›ืกื•ืคื™ ?
final TV telly = new TV();
ืืชื” ืขืฉื•ื™ ืœื—ืฉื•ื‘ ืฉื–ื” ื™ื”ืคื•ืš ืืช ื”ืื•ื‘ื™ื™ืงื˜ ืœื‘ืœืชื™ ื ื™ืชืŸ ืœืฉื™ื ื•ื™. ืื‘ืœ ืœื, ื–ื” ืœื ื ื›ื•ืŸ. ื”ืชื™ื™ื—ืกื•ืช ืœืกื•ื’ื™ ื ืชื•ื ื™ื ื‘-Java - 3ืžืฉืชื ื” ื”ืชื™ื™ื—ืกื•ืช ืขื ืžืฉืชื ื” finalื™ื”ื™ื” ืงืฉื•ืจ ืœืื•ื‘ื™ื™ืงื˜ ืกืคืฆื™ืคื™ ืœืœื ื™ื›ื•ืœืช ืœื‘ื˜ืœ ืื•ืชื• ื‘ืฉื•ื ืื•ืคืŸ (ืœื”ื’ื“ื™ืจ ืื•ืชื• ืžื—ื“ืฉ ืื• ืœื”ืฉื•ื•ืช ืื•ืชื• ืœ null). ื›ืœื•ืžืจ, ืœืื—ืจ ื”ื’ื“ืจืช ื”ืขืจืš ืฉืœ ืžืฉืชื ื” ื›ื–ื”, ืงื•ื“ ื›ืžื•:
telly = new TV();
ืื•ึน
telly = null;
ื™ื’ืจื•ื ืœืฉื’ื™ืืช ืงื•ืžืคื™ืœืฆื™ื”. ื›ืœื•ืžืจ, finalื”ื•ื ืคื•ืขืœ ืจืง ืขืœ ื”ืงื™ืฉื•ืจ, ื•ืื™ืŸ ืœื• ื”ืฉืคืขื” ืขืœ ื”ืื•ื‘ื™ื™ืงื˜ ืขืฆืžื•. ืื ื‘ื”ืชื—ืœื” ื™ืฉ ืœื ื• ืืช ื–ื” ื ื™ืชืŸ ืœืฉื™ื ื•ื™, ื ื•ื›ืœ ืœืฉื ื•ืช ืืช ื”ืžืฆื‘ ื”ืคื ื™ืžื™ ืฉืœื• ืœืœื ื‘ืขื™ื•ืช:
telly.soundVolume = 30;
ืœืคืขืžื™ื, ืžืฉืชื ื™ื ืžื•ื’ื“ืจื™ื ื›ืกื•ืคื™ื™ื ืืคื™ืœื• ื‘ื˜ื™ืขื•ื ื™ ืฉื™ื˜ื”!
public void enableTV (final TV telly){
   telly.isOn = true;
}
ื–ื” ื ืขืฉื” ื›ื“ื™ ืฉื‘ืžื”ืœืš ืชื”ืœื™ืš ื›ืชื™ื‘ืช ืฉื™ื˜ื” ืœื ื ื™ืชืŸ ืœืขืงื•ืฃ ืืช ื”ื˜ื™ืขื•ื ื™ื ื”ืœืœื•, ื•ื‘ื”ืชืื, ืœื™ืฆื•ืจ ืคื—ื•ืช ื‘ืœื‘ื•ืœ. ืžื” ืื ื ืฆื™ื™ืŸ finalืžืฉืชื ื” ื™ื™ื—ื•ืก ื”ืžืชื™ื™ื—ืก ืœืื•ื‘ื™ื™ืงื˜ ื‘ืœืชื™ ื ื™ืชืŸ ืœืฉื™ื ื•ื™? ืœืžืฉืœ String:
final String PASSWORD = "password";
ื›ืชื•ืฆืื” ืžื›ืš, ื ืงื‘ืœ ืงื‘ื•ืข, ืื ืœื•ื’ื™ ืฉืœ ืงื‘ื•ืขื™ื ืžืกื•ื’ ืคืจื™ืžื™ื˜ื™ื‘ื™, ื›ื™ ื›ืืŸ ืœื ื ื•ื›ืœ ืœื”ื’ื“ื™ืจ ืžื—ื“ืฉ ืืช ื”ื”ืชื™ื™ื—ืกื•ืช ื•ืœื ืœืฉื ื•ืช ืืช ื”ืžืฆื‘ ื”ืคื ื™ืžื™ ืฉืœ ื”ืื•ื‘ื™ื™ืงื˜ (ื ืชื•ื ื™ื ืคื ื™ืžื™ื™ื).

ื‘ื•ืื• ื ืกื›ื ืืช ื–ื”

  1. ื‘ืขื•ื“ ืฉืžืฉืชื ื™ื ืคืฉื•ื˜ื™ื ืžืื—ืกื ื™ื ืกื™ื‘ื™ื•ืช ืขืจืš, ืžืฉืชื ื™ ื”ืชื™ื™ื—ืกื•ืช ืžืื—ืกื ื™ื ืกื™ื‘ื™ื•ืช ื”ืžื™ื™ืฆื’ื•ืช ืืช ื”ืื•ืคืŸ ืฉื‘ื• ืื•ื‘ื™ื™ืงื˜ ืžืื•ื—ื–ืจ.
  2. ื”ืคื ื™ื•ืช ืœืื•ื‘ื™ื™ืงื˜ ืžื•ืฆื”ืจื•ืช ืจืง ืขื‘ื•ืจ ืกื•ื’ ืื—ื“ ืฉืœ ืื•ื‘ื™ื™ืงื˜.
  3. ื›ืœ ืžื—ืœืงื” ื‘-Java ื”ื™ื ืกื•ื’ ื”ืคื ื™ื”.
  4. ืขืจืš ื‘ืจื™ืจืช ื”ืžื—ื“ืœ ืฉืœ ื›ืœ ืžืฉืชื ื” ื™ื™ื—ื•ืก ื‘-Java ื”ื•ื null.
  5. Stringื”ื•ื ื“ื•ื’ืžื” ืกื˜ื ื“ืจื˜ื™ืช ืœืกื•ื’ ื”ืคื ื™ื”. ื’ื ืžื—ืœืงื” ื–ื• ืื™ื ื” ื ื™ืชื ืช ืœืฉื™ื ื•ื™.
  6. ืžืฉืชื ื™ ื”ืชื™ื™ื—ืกื•ืช ืขื ืžืฉื ื” ืงืฉื•ืจื™ื finalืœืื•ื‘ื™ื™ืงื˜ ืื—ื“ ื‘ืœื‘ื“ ืœืœื ืืคืฉืจื•ืช ื”ื’ื“ืจื” ืžื—ื“ืฉ.
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