ื ืึธื ืืขืงืก ืืืฉืื ืคืื ืึทื ืืืืืงืืื ื, Oracle ืคึผืืึทืืคืึธืจืืข (Java Platform, Standard Edition 13), ืื ืึธืคึฟื-ืืงืืจ OpenJDK ืคึผืจืืืขืงื ืืื ืืขื ืืฆื ืืื ืึท ืจืขืคึฟืขืจืขื ืฅ ืืืคึผืืึทืืขื ืืืืฉืึทื. Java SE 13 ืืืื ืฆืืจืืง ืงืึทืืคึผืึทืืึทืืืืึทืื ืืื ืคืจืืึทืขืจืืืง ืจืืืืกืื ืคืื ืื Java ืคึผืืึทืืคืึธืจืืข ืึทืืข ืคืจืืขืจ ืืขืฉืจืืื Java ืคึผืจืึทืืืฉืขืงืก ืืืขื ืึทืจืืขืื ืึธื ืขื ืืขืจืื ืืขื ืืืขื ืืึธื ืืฉื ืืื ืืขืจ ืื ื ืืึทืข ืืืขืจืกืืข. ืืจืืื-ืฆื-ืื ืกืืึทืืืจื Java SE 13 ืืืืขื (JDK, JRE ืืื Server JRE) ืคึฟืึทืจ ืืื ืืงืก (ืงืก86_64), ืกืึธืืึทืจืืก, ืืืื ืืึธืื ืืื ืืึทืงืึธืก. ืจืขืคืขืจืขื ืฅ ืืืคึผืืึทืืขื ืืืืฉืึทื ืืขืืืขืืึธืคึผืขื ืืืจื ืื OpenJDK ืคึผืจืืืขืงื ืืื ืืึธืจ ืึธืคึฟื ืืงืืจ ืืื ืืขืจ ืื GPLv2 ืืขืจืืืืืขื ืืฉ, ืืื GNU ClassPath ืืืืกื ืขืืขื ืึทืืึทืืื ื ืืื ืึทืืืฉ ืคึฟืึทืจืืื ืืื ื ืืื ืืขืฉืขืคื ืคึผืจืึธืืืงืื.
Java SE 13 ืืื ืงืืึทืกืึทืคืืื ืืื ืึท ืืขื ืขืจืึทื ืฉืืืฆื ืืขืืืื ื ืืื ืืืขื ืคืึธืจืืขืฆื ืฆื ืืึทืงืืืขื ืืขืจืืืึทื ืืืงืื ืืขื ืืื ืืขืจ ืืืืึทืืขืจ ืืขืืืื ื. ืื ืืื ื ืืขืจืืื ืฉืืืฆื (LTS) ืฆืืืืึทื ืืึธื ืืืื Java SE 11, ืืืึธืก ืืืขื ืคืึธืจืืขืฆื ืฆื ืืึทืงืืืขื ืืขืจืืืึทื ืืืงืื ืืขื ืืื 2026. ืื ืคืจืืขืจืืืงืข LTS ืฆืืืืึทื ืคืื Java 8 ืืืขื ืืืื ืืขืฉืืืฆื ืืื ืืขืฆืขืืืขืจ 2020. ืืขืจ ืืืืึทืืขืจ LTS ืืขืืืื ื ืืื ืกืงืขืืืฉืืื ืคึฟืึทืจ ืกืขืคืืขืืืขืจ 2021. ืืึธืื ืืื ืื ืืขืจืืึธื ืขื ืืืจ ืึทื ืกืืึทืจืืื ื ืืื ืื ืืขืืืื ื ืคืื Java 10, ืื ืคึผืจืืืขืงื ืืื ืกืืืืืฉื ืฆื ืึท ื ืืึทืข ืึทื ืืืืืงืืื ื ืคึผืจืึธืฆืขืก, ืืืึธืก ืืืคึผืืืื ืึท ืงืืจืฆืขืจ ืฆืืงื ืคึฟืึทืจ ืื ืคืึธืจืืืจืื ื ืคืื ื ืืึทืข ืจืืืืกืื. ื ืื ืคืึทื ืืงืฉืึทื ืึทืืืื ืืื ืืืฆื ืืขืืืขืืึธืคึผืขื ืืื ืืืื ืงืขืกืืืืขืจ ืืขืจืืืึทื ืืืงื ืืขื ืฆืืืืึทื, ืืืึธืก ืืืื ืคืึทืจืืืง ืขื ืืขืจืื ืืขื ืืื ืคืื ืืืึธืก ืฆืืืืืื ืืขื ืขื ืืจืึทื ืืฉื ืืขืืขืจ ืืขืงืก ืืืฉืื ืฆื ืกืืืืืึทืืืื ื ืืึทืข ืจืืืืกืื. Java 14 ืืื ืกืงืขืืืฉืืื ืคึฟืึทืจ ืืขืืืื ื ืืขืจืฅ ืืืืึทืืขืจ ืืึธืจ, ืืื ืคืึธืจืืืกืืงืข ืืืืึทืืื ื ืืืืขื ืฉืืื ืคึฟืึทืจ ืืขืกืืื ื.
ืคืื :
- ืฉืืืฆื ืคึฟืึทืจ ืืื ืึทืืืฉ ืึทืืืฉืึทื ืคืื CDS (ืงืืึทืก-ืืึทืืึท ืืึทื ืืืืืื ื) ืึทืจืงืืืืื, ืคึผืจืึทืืืืืืื ื ืฉืขืจื ืึทืคึผืืึทืงืืืฉืึทื ืึทืงืกืขืก ืฆื ืคึผืจืึธืกื ืงืืืกื. ืืื CDS, ืคึผืจืึธืกื ืงืืืกื ืงืขื ืขื ืืืื ืืขืฉืืขืื ืืื ืึท ืืึทืืื ืืขืจ, ืฉืขืจื ืึทืจืงืืืื, ืึทืืึทืืื ื ืึทืคึผืืึทืงืืืฉืึทื ื ืฆื ืงืึทืืขืจ ืคืึทืกืืขืจ ืืื ืจืขืืืฆืืจื ืึธืืืืขืจืืขื. ืื ื ืืึทืข ืืืขืจืกืืข ืืืกืืฃ ืืืฉืืจืื ืคึฟืึทืจ ืืื ืึทืืืฉ ืึทืจืงืืืืืื ื ืงืืืกื ื ืึธื ืืขื ืกืืฃ ืคืื ืึทืคึผืืึทืงืืืฉืึทื ืืืจืืคืืจืื ื. ืื ืึทืจืืฉืืืืขื ืงืืืกื ืึทืจืืึทื ื ืขืืขื ืึทืืข ืงืืืกื ืืื ืึทืงืึทืืคึผืึทื ืืื ื ืืืืืจืขืจืื ืืึธืืืื ืืขืฉืึทืก ืคึผืจืึธืืจืึทื ืึธืคึผืขืจืึทืฆืืข ืืืึธืก ืืขื ืขื ื ืืฉื ืืื ืื ืขืจืฉื ืฆืืืขืฉืืขืื ืืึทืืข CDS ืึทืจืงืืืื;
- ืฆื ืื ZGC (Z Garbage Collector) ืฉืืืฆื ืคึฟืึทืจ ืฆืืจืืงืงืืืขื ืึทื ืืืื ืืึผืจืื ืฆื ืื ืึธืคึผืขืจืืืืื ื ืกืืกืืขื;
- ืึท ืจืืืืืืื ื ืืืคึผืืึทืืขื ืืืืฉืึทื ืคืื ืื Legacy Socket API (java.net.Socket ืืื java.net.ServerSocket) ืืืึธืก ืืื ืืจืื ืืขืจ ืฆื ืืืึทื ืขื ืืื ืืืืึทื. ืืื ืืขืจืฆื, ืื ืคืืจืืขืืืืื ืืืคึผืืึทืืขื ืืืืฉืึทื ืืืขื ืืืื ืืจืื ืืขืจ ืฆื ืึทืืึทืคึผื ืฆื ืึทืจืืขืื ืืื ืื ื ืืึทืข ืกืืกืืขื ืคืื ืคึฟืขืืขื ืืื ืืึทื ืืฆืขืจ ืคึผืืึทืฅ (ืคืืืืขืจื), ืืขืืืขืืึธืคึผืขื ืืื ืึท ืืืื ืคืื ืื ืืื ืคึผืจืืืขืงื;
- ืึทื ืืืืืงืืื ื ืคืื ืึท ื ืืึทืข ืคืึธืจืขื ืคืื ืืืืกืืจืืงื "ืืึทืฉืืืืขื". ืฆืืืขืืืืื ืืงืกืคึผืขืจืืขื ืึทื (ืคึผืจืืืืื) ืคืืืืงืืื ืฆื ื ืืฆื "ืืึทืฉืืืืขื" ืืื ืื ืคืึธืจืขื ืคืื ื ืื ืืืืื ืึทื ืึธืคึผืขืจืึทืืึธืจ, ืึธืืขืจ ืืืื ืืื ืึทื ืืืืกืืจืืง. ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืืืจ ืงืขื ืขื ืืืฆื ื ืืฆื ืงืึทื ืกืืจืึทืงืฉืึทื ื ืืื:
int numLetters = ืืึทืฉืืืืขื (ืืึธื) {
ืคืึทื ืืื ืืื, ืคืจืืืืื, ืืื ืืืง -> 6;
ืคืึทื ืืื ืกืืืง -> 7;
ืคืึทื ืืื ืขืจืฉืืื, ืฉืืช -> 8;
ืคืึทื ืืืืืืื -> 9;
};ืึธืืขืจ
System.out.println(
ืืึทืฉืืืืขื (ืง) {
ืคืึทื 1 -> "ืืืื ืขืจ"
ืคืึทื 2 -> "ืฆืืืื"
ืคืขืืืงืืึทื -> "ืคืืืข"
}
);ืืื ืืขืจ ืฆืืงืื ืคึฟื, ืืืืืจื ืืืืฃ ืืขื ืฉืืจืื ืื ืกืืจืืืขื ื ืืืกืืขืจ ืืืึธืก ืจืืืื ืฉืืืฆื;
- ืืงืกืคึผืขืจืืขื ืึทื ืฉืืืฆื ืคึฟืึทืจ ืืขืงืกื ืืืึทืงืก - ืึท ื ืืึทืข ืคืึธืจืขื ืคืื ืฉืืจืืงื ืืืืขืจืึทื ืืืึธืก ืึทืืึทืื ืืืจ ืฆื ืึทืจืืึทื ื ืขืืขื ืืึทืืื-ืฉืืจื ืืขืงืกื ืืึทืื ืืื ืืืื ืืงืืจ ืงืึธื ืึธื ื ืืฆื ืืึทืจืึทืงืืขืจ ืืกืงืืืคึผืื ื ืืื ืคึผืจืึทืืขืจืืืื ื ืืขืจ ืึธืจืืืื ืขื ืคึฟืึธืจืืึทืืืจืื ื ืคืื ืืขืงืกื ืืื ืืขื ืืืึธืง. ืืขืจ ืืืึธืง ืืื ืคืจืืืื ืืืจื ืืจืื ืืึธืคึผื ืงืืืึธืืขืก. ืคึฟืึทืจ ืืืึทืฉืคึผืื, ืึทื ืฉืืึธื ืคืื ืื ืืืืกืืจืืง
ืฉืืจืืงื ืึธื ืคึฟืจืขื = "SELECT `EMP_ID`, `LAST_NAME` FROM `EMPLOYEE_TB`\n" +
"WHERE `CITY` = 'Indianapolis'\n" +
"ืกืืจ ืืืื `EMP_ID`, `LAST_NAME`;\n";ืืืฆื ืืืจ ืงืขื ืขื ื ืืฆื ืื ืงืึทื ืกืืจืึทืงืฉืึทื:
ืฉืืจืืงื ืึธื ืคึฟืจืขื = """
ืืืืกืงืืืึทืื `EMP_ID`, `LAST_NAME` ืคึฟืื `EMPLOYEE_TB`
WHERE `CITY` = 'ืื ืืืึทื ืึทืคึผืึธืืืก'
ืกืืจ ืืืจื `EMP_ID`, `LAST_NAME`;
"""; - 2126 ืืฉืืง ืจืืคึผืึธืจืฅ ืืขื ืขื ืคืืจืืืื, ืคืื ืืืึธืก 1454 ืืขื ืขื ืกืึทืืืื ืืืจื ืึธืจืึทืงืืข ืขืืคึผืืืืื, ืืื 671 ืืืจื ืืจืื ืคึผืึทืจืืืขืก, ืคืื ืืืึธืก ืึท ืืขืงืกื ืคืื ืื ืขื ืืขืจืื ืืขื ืืขื ืขื ืืขืืืื ืืืจื ืคืจืืึท ืืขืืืขืืึธืคึผืขืจืก, ืืื ืื ืจืขืฉื ืืืจื ืคืืจืฉืืืืขืจืก ืคืื ืงืึธืืคึผืึทื ืืขืก ืึทืืึท ืืื IBM, Red Hat, Google , Loongson, Huawei, ARM ืืื SAP.
ืืงืืจ: opennet.ru