CodeGym /ื‘ืœื•ื’ Java /Random-HE /ื”ืกืคืจื™ื•ืช ื”ืคื•ืคื•ืœืจื™ื•ืช ื•ื”ืฉื™ืžื•ืฉื™ื•ืช ื‘ื™ื•ืชืจ ืฉื›ืœ ืžืคืชื— Java ืฆืจื™ืš ืœื”...
John Squirrels
ืจึธืžึธื”
San Francisco

ื”ืกืคืจื™ื•ืช ื”ืคื•ืคื•ืœืจื™ื•ืช ื•ื”ืฉื™ืžื•ืฉื™ื•ืช ื‘ื™ื•ืชืจ ืฉื›ืœ ืžืคืชื— Java ืฆืจื™ืš ืœื”ื›ื™ืจ

ืคื•ืจืกื ื‘ืงื‘ื•ืฆื”
ืื—ื“ ื”ื™ืชืจื•ื ื•ืช ื”ืจื‘ื™ื ืฉืœ Java ื›ืฉืคืช ืชื›ื ื•ืช ื”ื•ื ืฉ-Java ื ืžืฆืืช ื›ืืŸ ื›ื‘ืจ ื™ื•ืชืจ ืž-25 ืฉื ื”, ืžืื•ืžืฆืช ื‘ืื•ืคืŸ ื ืจื—ื‘ ื‘ืชืขืฉื™ื•ืช ืจื‘ื•ืช, ื•ื™ืฉ ืœื” ืงื”ื™ืœืช ืคื™ืชื•ื— ื•ืืงื•ืกื™ืกื˜ื ืขื ืงื™ื™ื. ื–ื” ื ื”ื“ืจ ืขื‘ื•ืจ ืžืคืชื—ื™ Java, ื‘ืžื™ื•ื—ื“ ืœืžืชื—ื™ืœื™ื, ืžื›ื™ื•ื•ืŸ ืฉื™ืฉ ื›ืœ ื›ืš ื”ืจื‘ื” ื›ืœื™ื, ื˜ื›ื ื•ืœื•ื’ื™ื•ืช ื•ืคืชืจื•ื ื•ืช ื–ืžื™ื ื™ื ื‘ืชื›ื ื•ืช Java ืฉื”ื•ืคื›ื™ื ืืช ื”ืขื‘ื•ื“ื” ืฉืœื”ื ืœื”ืจื‘ื” ื™ื•ืชืจ ืงืœื”. ื”ื™ื•ื ืื ื—ื ื• ื”ื•ืœื›ื™ื ืœื“ื‘ืจ ืขืœ ืกืคืจื™ื•ืช ื’'ืื•ื•ื” ืฉืœ ืฆื“ ืฉืœื™ืฉื™, ืฉื›ืŸ ืžื‘ื—ืจ ื—ื–ืง ื•ืžื’ื•ื•ืŸ ืฉืœ ืกืคืจื™ื•ืช ื”ื•ื ืื—ื“ ื”ื“ื‘ืจื™ื ืฉื”ื•ืคื›ื™ื ืืช ื’'ืื•ื•ื” ืœื‘ื—ื™ืจื” ืžื•ืžืœืฆืช ืขื‘ื•ืจ ื›ืœ ื›ืš ื”ืจื‘ื” ื—ื‘ืจื•ืช ื•ืคืจื•ื™ืงื˜ื™ื. ืขืžื™ื“ื” ื‘ืจืฉื•ืชื ืฉืœ ืกืคืจื™ื•ืช ืžืืคืฉืจืช ืœืžืคืชื—ื™ื ืœื—ืกื•ืš ื–ืžืŸ ื•ื›ืกืฃ ืจื‘, ืฉื”ื•ื ื’ื•ืจื ืžื›ืจื™ืข ืœืขืกืงื™ื, ืชื•ืš ืฉื™ืžื•ืฉ ื‘ืงื•ื“ ืžื•ื‘ื ื” ื”ื™ื˜ื‘ ื•ืงืœ ืœืชื—ื–ื•ืงื”. ืžื ืงื•ื“ืช ื”ืžื‘ื˜ ืฉืœ ื”ืžืชื›ื ืช, ืœืฉื™ืžื•ืฉ ื‘ืกืคืจื™ื•ืช ื™ืฉ ื’ื ื”ืžื•ืŸ ื™ืชืจื•ื ื•ืช, ืฉื›ืŸ ื”ืŸ ืžืงืœื•ืช ืขืœ ืขื‘ื•ื“ืช ื”ืžืคืชื—ื™ื ื•ืžืืคืฉืจื•ืช ืœื”ื ืœืœืžื•ื“ ืชืงื ื™ ืงื™ื“ื•ื“ ื•ืฉื™ื˜ื•ืช ืขื‘ื•ื“ื” ืžื•ืžืœืฆื•ืช. ื”ืกืคืจื™ื•ืช ื”ืคื•ืคื•ืœืจื™ื•ืช ื•ื”ืฉื™ืžื•ืฉื™ื•ืช ื‘ื™ื•ืชืจ ืฉื›ืœ ืžืคืชื— Java ืฆืจื™ืš ืœื”ื›ื™ืจ - 1ื–ื• ื”ืกื™ื‘ื” ืฉื”ื™ื•ื ืžืชื›ื ืช ื’'ืื•ื•ื” ืžืงืฆื•ืขื™ ืฆืจื™ืš ืœื”ื›ื™ืจ ื”ื™ื˜ื‘ ืœืคื—ื•ืช ื›ืžื” ืžืกืคืจื™ื•ืช ื’'ืื•ื•ื” ืฉืœ ืฆื“ ืฉืœื™ืฉื™ ื”ืคื•ืคื•ืœืจื™ื•ืช ื•ื”ื ืคื•ืฆื•ืช ื‘ื™ื•ืชืจ. ืœื”ืœืŸ ืขืฉืจ ืกืคืจื™ื•ืช Java ืฉืื ื• ื™ื›ื•ืœื™ื ืœื”ืžืœื™ืฅ โ€‹โ€‹ืœืš ืœืœืžื•ื“ ื›ืžืคืชื—ื™ Java.

JUnit ื”ื™ื ืžืกื’ืจืช ื ืคื•ืฆื” ื•ื™ื“ื•ืขื” ืžืื•ื“ ืœื‘ื“ื™ืงืช ื™ื—ื™ื“ื•ืช ืงื•ื“ ืคืชื•ื— ืขื‘ื•ืจ Java ื•-JVM. ื—ืœืง ืžืžืฉืคื—ื” ืฉืœ ืžืกื’ืจื•ืช ืœื‘ื“ื™ืงืช ื™ื—ื™ื“ื•ืช ื”ื™ื“ื•ืขื•ืช ื‘ื™ื—ื“ ื‘ืฉื xUnit. ืœืคื™ ืื•ืจืงืœ , JUnit ื”ื™ื ืœืœื ืกืคืง ื”ืกืคืจื™ื™ื” ื”ืคื•ืคื•ืœืจื™ืช ื‘ื™ื•ืชืจ ื‘ืงืจื‘ ืžืคืชื—ื™ Java.

Apache Commons ื”ื•ื ืคืจื•ื™ืงื˜ ืฉืœ Apache Software Foundation ื”ืžืชืžืงื“ ื‘ื™ืฆื™ืจืช ืจื›ื™ื‘ื™ Java ื”ื ื™ืชื ื™ื ืœืฉื™ืžื•ืฉ ื—ื•ื–ืจ ืœืžื˜ืจื•ืช ืฉื•ื ื•ืช. ืœ- Apache Commons ื™ืฉ ืžืกืคืจ ืกืคืจื™ื•ืช ืฉื•ื ื•ืช ื›ืžืขื˜ ืœื›ืœ ืฆื•ืจืš ืฉืœ ืžืคืชื—ื™ Java. Apache Commons IO, ืฉื”ื™ื ืกืคืจื™ื™ืช ื›ืœื™ ืขื–ืจ ื”ืžืกื™ื™ืขื™ื ื‘ืคื™ืชื•ื— ืคื•ื ืงืฆื™ื•ื ืœื™ื•ืช IO, ื ื—ืฉื‘ืช ืœืคื•ืคื•ืœืจื™ืช ื‘ื™ื•ืชืจ ื‘ืงื‘ื•ืฆื” ื–ื•.

Google Guava ื”ื™ื ืงื‘ื•ืฆื” ืจื—ื‘ื” ื ื•ืกืคืช ืฉืœ ืกืคืจื™ื•ืช ืœื™ื‘ื” ืฉืœ ื’'ืื•ื•ื” ืž-Google ื”ื›ื•ืœืœืช ืกื•ื’ื™ ืื•ืกืคื™ื ื—ื“ืฉื™ื (ื›ื’ื•ืŸ ืจื™ื‘ื•ื™ ืžืคื•ืช ื•ืขืจื›ื•ืช ืžืจื•ื‘ื•ืช), ืื•ืกืคื™ื ื‘ืœืชื™ ื ื™ืชื ื™ื ืœืฉื™ื ื•ื™, ืกืคืจื™ื™ืช ื’ืจืคื™ื ื•ื›ืœื™ ืขื–ืจ ืขื‘ื•ืจ ืžืงื‘ื™ืœื•ืช, I/O, hashing, ืžื˜ืžื•ืŸ, ืคืจื™ืžื™ื˜ื™ื‘ื™ื, ืžื—ืจื•ื–ื•ืช ื• ื™ื•ืชืจ. ื’ื•ื™ืื‘ื” ื ืžืฆืืช ื‘ืฉื™ืžื•ืฉ ื ืจื—ื‘ ื‘ืจื•ื‘ ืคืจื•ื™ืงื˜ื™ Java ื‘ืชื•ืš Google.

ื”ืžื›ื•ื ื” "JSON ืขื‘ื•ืจ Java", ื’'ืงืกื•ืŸ ื”ื™ื ืกืคืจื™ื™ื” ืคื•ืคื•ืœืจื™ืช ืฉืœ ื›ืœื™ื ืœืขื™ื‘ื•ื“ ื ืชื•ื ื™ื ืขื‘ื•ืจ Java (ื•ื”-JVM), ื›ื•ืœืœ ืกืคืจื™ื™ืช ื”ื“ื’ืœ ื”ื–ืจื™ืžื” JSON ืžื ืชื—/ื’ื ืจื˜ื•ืจ, ืกืคืจื™ื™ืช ืงืฉื™ืจืช ื ืชื•ื ื™ื ืชื•ืืžืช (POJOs ืืœ JSON ื•ืžืžื ื•), ื• ืžื•ื“ื•ืœื™ ืคื•ืจืžื˜ ื ืชื•ื ื™ื ื ื•ืกืคื™ื ืœืขื™ื‘ื•ื“ ื ืชื•ื ื™ื ื”ืžืงื•ื“ื“ื™ื ื‘- Avro, BSON, CBOR, CSV, Smile, (Java) Properties, Protobuf, XML ืื• YAML; ื•ืืคื™ืœื• ื”ืกื˜ ื”ื’ื“ื•ืœ ืฉืœ ืžื•ื“ื•ืœื™ ืคื•ืจืžื˜ ื”ื ืชื•ื ื™ื ืœืชืžื™ื›ื” ื‘ืกื•ื’ื™ ื ืชื•ื ื™ื ืฉืœ ืกื•ื’ื™ ื ืชื•ื ื™ื ื‘ืฉื™ืžื•ืฉ ื ืจื—ื‘ ื›ื’ื•ืŸ Guava, Joda, PCollections ื•ืขื•ื“.

Mockito ื”ื™ื ืกืคืจื™ื™ื” ืžืœื’ืœื’ืช ื”ืžืฉืžืฉืช ืœื‘ื“ื™ืงืช ื™ื—ื™ื“ื•ืช ื™ืขื™ืœื” ืฉืœ ื™ื™ืฉื•ืžื™ Java. ื ื—ืฉื‘ืช ืœืื—ืช ื”ืžืกื’ืจื•ืช ื”ืœื•ืขื’ื•ืช ื”ื˜ื•ื‘ื•ืช ื‘ื™ื•ืชืจ ืขื‘ื•ืจ Java.

SLF4J ืžื™ื™ืฆื’ ืืช Simple Logging Facade ืขื‘ื•ืจ Java. ื”ื•ื ืžืฉืžืฉ ื›ื—ื–ื™ืช ืคืฉื•ื˜ื” ืื• ื”ืคืฉื˜ื” ืขื‘ื•ืจ ืžืกื’ืจื•ืช ืจื™ืฉื•ื ืฉื•ื ื•ืช (ื›ื’ื•ืŸ java.util.logging, logback, log4j) ื”ืžืืคืฉืจืช ืœืžืฉืชืžืฉ ื”ืงืฆื” ืœื—ื‘ืจ ืืช ืžืกื’ืจืช ื”ืจื™ืฉื•ื ื”ืจืฆื•ื™ื” ื‘ื–ืžืŸ ื”ืคืจื™ืกื”.

Java Architecture for XML Binding (JAXB) ื”ื™ื ืกืคืจื™ื™ื” ื”ืžืกืคืงืช API ื•ื›ืœื™ื ืœืžื™ืคื•ื™ ืื•ื˜ื•ืžื˜ื™ ื‘ื™ืŸ ืžืกืžื›ื™ XML ื•ืื•ื‘ื™ื™ืงื˜ื™ื ืฉืœ Java ื”ืžืืคืฉืจื™ื ืœืš ืœื’ืฉืช ืœื ืชื•ื ื™ XML ืžื‘ืœื™ ืฉืชืฆื˜ืจืš ืœื‘ื˜ืœ ืื•ืชื.

Apache Log4j ื•ืชื™ืง ืžืื•ื“ ื•ื ืคื•ืฅ ื‘ืžืกื’ืจืช ืจื™ืฉื•ื ื”ืžืขืจื›ืช ื”ืืงื•ืœื•ื’ื™ืช ืฉืœ Java. Apache Log4j 2 ื”ื™ื ื’ืจืกื” ืžืขื•ื“ื›ื ืช ื—ื“ืฉื” ื™ื•ืชืจ ืฉืœ Log4j ื”ืžืกืคืงืช ืฉื™ืคื•ืจื™ื ืžืฉืžืขื•ืชื™ื™ื ืœืขื•ืžืช ืงื•ื“ืžืชื”.

ืกืคืจื™ื™ืช Android AppCompat ืžืืคืฉืจืช ื’ื™ืฉื” ืœืžืžืฉืงื™ API ื—ื“ืฉื™ื ื‘ื’ืจืกืื•ืช API ื™ืฉื ื•ืช ื™ื•ืชืจ ืฉืœ ืื ื“ืจื•ืื™ื“ (ืจื‘ื•ืช ืžืฉืชืžืฉื•ืช ื‘-Material Design).

Apache HttpComponents ื”ื•ื ืขืจื›ืช ื›ืœื™ื ืฉืœ ืจื›ื™ื‘ื™ Java ื‘ืจืžื” ื ืžื•ื›ื” ื”ืžืชืžืงื“ื™ื ื‘-HTTP ื•ื‘ืคืจื•ื˜ื•ืงื•ืœื™ื ื ืœื•ื•ื™ื. ืชื•ื›ื ื ื” ืœื”ืจื—ื‘ื” ืชื•ืš ืžืชืŸ ืชืžื™ื›ื” ื—ื–ืงื” ืœืคืจื•ื˜ื•ืงื•ืœ ื”-HTTP ื”ื‘ืกื™ืกื™, ืกืคืจื™ื™ืช HttpComponents ืขืฉื•ื™ื” ืœืขื ื™ื™ืŸ ื›ืœ ืžื™ ืฉื‘ื•ื ื” ื™ื™ืฉื•ืžื™ ืœืงื•ื— ื•ืฉืจืช ืžื•ื“ืขื™ื ืœ-HTTP ื›ื’ื•ืŸ ื“ืคื“ืคื ื™ ืื™ื ื˜ืจื ื˜, ืขื›ื‘ื™ืฉื™ ืื™ื ื˜ืจื ื˜, ืคืจื•ืงืกื™ HTTP, ืกืคืจื™ื•ืช ื”ื•ื‘ืœื” ืฉืœ ืฉื™ืจื•ืชื™ ืื™ื ื˜ืจื ื˜ ืื• ืžืขืจื›ื•ืช ื”ืžืžื ืคื•ืช ืื• ืœื”ืจื—ื™ื‘ ืืช ืคืจื•ื˜ื•ืงื•ืœ ื”-HTTP ืขื‘ื•ืจ ืชืงืฉื•ืจืช ืžื‘ื•ื–ืจืช.
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