java-tutorials/core-java-modules
Kai Yuan a6222f4432 [util-sql-date-improvement] add sqlDate -> utilDate (#15578)
* [util-sql-date-improvement] add sqlDate -> utilDate

* [util-sql-date-improvement] clean up imports
2024-01-12 19:21:05 -06:00
..
core-java-8 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-8-2 Java 19120 Code review changes (#13747) 2023-04-20 18:40:19 +03:00
core-java-8-datetime JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-8-datetime-2 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-9 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-9-improvements JAVA-24677: Changes made for add sub-modules in parents (#14690) 2023-09-13 12:28:47 +03:00
core-java-9-jigsaw JAVA-24677: Changes made for add sub-modules in parents (#14690) 2023-09-13 12:28:47 +03:00
core-java-9-new-features [JAVA-23099] Upgraded maven-jar-plugin to latest version 2023-08-28 09:11:25 +03:00
core-java-9-streams Update README.md 2023-09-29 22:59:09 +08:00
core-java-10 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-11 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-11-2 [JAVA-12051] Moved code to core-java-streams-simple for ebook (#14889) 2023-10-13 14:41:35 +03:00
core-java-11-3 JAVA-26736 Upgrade jackson to latest version 2023-11-30 22:54:02 +05:30
core-java-12 Java 27490 (#15217) 2023-12-05 10:43:20 +05:30
core-java-13 Java 27490 (#15217) 2023-12-05 10:43:20 +05:30
core-java-14 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-15 Make changes to remove relativepath from child modules like core java (#15535) 2024-01-02 23:14:18 +05:30
core-java-16 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-17 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-18 [JAVA-26773] (#15417) 2023-12-28 16:11:35 +01:00
core-java-19 Update README.md 2023-07-01 17:20:41 +08:00
core-java-20 Update README.md 2023-12-17 08:12:24 +08:00
core-java-21 Unnecessary change revert. 2023-12-05 17:21:04 +02:00
core-java-annotations JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-arrays-convert Update README.md 2023-12-07 21:54:34 +08:00
core-java-arrays-guides Update pom.xml 2024-01-08 23:54:15 +05:30
core-java-arrays-multidimensional backlink updated 2023-05-31 16:07:51 +05:30
core-java-arrays-operations-advanced Java 28508 Fix formatting of POMs Modules A to C (#15359) 2023-12-06 18:17:52 +02:00
core-java-arrays-operations-advanced-2 JAVA-26001_A_C: Fix formatting of POMs for modules A to C (#14961) 2023-10-19 12:54:46 +03:00
core-java-arrays-operations-basic Update README.md 2023-05-11 23:52:22 +08:00
core-java-arrays-operations-basic-2 Update README.md 2023-10-29 07:04:20 +08:00
core-java-arrays-sorting JAVA-9486: Use guava.version defined in the parent pom 2022-01-17 20:18:43 +01:00
core-java-booleans Update README.md 2023-07-01 17:18:27 +08:00
core-java-char Update README.md 2023-10-05 15:40:11 +08:00
core-java-collections JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-collections-2 backlink updated 2023-05-31 16:23:51 +05:30
core-java-collections-3 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-collections-4 [JAVA-29474] Replace commons-lang with commons-lang3 (#15514) 2024-01-03 22:21:49 +01:00
core-java-collections-5 Update CheckIfListContainsEnumUnitTest.java 2024-01-05 20:13:06 +02:00
core-java-collections-array-list Restructuring to new module 2023-09-19 21:25:59 +05:30
core-java-collections-array-list-2 JAVA-26001_A_C: Fix formatting of POMs for modules A to C (#14961) 2023-10-19 12:54:46 +03:00
core-java-collections-conversions backlink updated 2023-05-31 17:24:54 +05:30
core-java-collections-conversions-2 Java 27490 (#15217) 2023-12-05 10:43:20 +05:30
core-java-collections-conversions-3 Update README.md 2023-10-20 21:49:19 +08:00
core-java-collections-list backlink updated 2023-05-31 17:23:33 +05:30
core-java-collections-list-2 backlink updated 2023-05-31 17:07:22 +05:30
core-java-collections-list-3 Performance and Memory Allocation Comparison Between List and Set (#14124) 2023-06-12 08:26:58 +05:30
core-java-collections-list-4 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-collections-list-5 [JAVA-29474] Replace commons-lang with commons-lang3 (#15514) 2024-01-03 22:21:49 +01:00
core-java-collections-list-6 [call-a-method-oneach] call a method on each element (#15540) 2024-01-09 19:01:27 -06:00
core-java-collections-maps BAEL-6142 Map clear methods in Java (#14255) 2023-09-11 07:40:30 -07:00
core-java-collections-maps-2 backlink updated 2023-05-31 16:36:37 +05:30
core-java-collections-maps-3 [JAVA-27621] Moved article "Remove Duplicate Values From HashMap in Java" to core-java-collections-maps-3 (#15464) 2023-12-26 20:15:47 +01:00
core-java-collections-maps-4 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-collections-maps-5 [JAVA-27621] Moved article "Remove Duplicate Values From HashMap in Java" to core-java-collections-maps-3 (#15464) 2023-12-26 20:15:47 +01:00
core-java-collections-maps-6 [JAVA-27621] Moved article "Remove Duplicate Values From HashMap in Java" to core-java-collections-maps-3 (#15464) 2023-12-26 20:15:47 +01:00
core-java-collections-maps-7 Java 28508 Fix formatting of POMs Modules A to C (#15359) 2023-12-06 18:17:52 +02:00
core-java-collections-set [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-collections-set-2 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-compiler JAVA-19116 Create new core-java-compiler sub module under core-java-modules (#13658) 2023-04-12 16:46:55 +05:45
core-java-concurrency-2 Update README.md 2023-12-17 07:05:43 +08:00
core-java-concurrency-advanced JAVA-24259 | small refactor for readability (#14602) 2023-08-23 21:07:47 +05:30
core-java-concurrency-advanced-2 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-concurrency-advanced-3 [JAVA-26734] Upgraded aspectjrt, aspectjweaver to latest version (#15140) 2023-11-20 12:58:10 +02:00
core-java-concurrency-advanced-4 JAVA-24659 Simplifying Logic of Consumer-Producer problem. (#14682) 2023-09-08 19:14:38 +05:30
core-java-concurrency-advanced-5 added the code (#15272) 2023-12-14 07:19:58 +05:30
core-java-concurrency-basic backlink added 2023-08-26 12:51:02 +05:30
core-java-concurrency-basic-2 First draft of future vs promise (#15547) 2024-01-08 21:45:45 -06:00
core-java-concurrency-basic-3 Merge pull request #15324 from ukhan1980/BAEL-7073-executor-service 2023-12-21 20:33:41 -03:00
core-java-concurrency-collections backlink updated 2023-05-31 16:45:32 +05:30
core-java-concurrency-collections-2 Update README.md 2023-09-21 20:07:58 +08:00
core-java-concurrency-simple [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-conditionals JAVA-27248 Align module names, folder names and artifact id - Week 44 - 2023 (conti-1) (#15147) 2023-11-08 12:06:28 +02:00
core-java-console [JAVA-26727] Upgraded maven-javadoc-plugin to 3.6.2 version 2023-11-28 06:38:53 +02:00
core-java-date-operations-1 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-date-operations-2 [JAVA-26719] Upgraded joda-time to latest version (#15189) 2023-11-13 12:00:45 +02:00
core-java-date-operations-3 [util-sql-date-improvement] add sqlDate -> utilDate (#15578) 2024-01-12 19:21:05 -06:00
core-java-datetime-conversion Update JodaDateTimeToDateAndViceVersaUnitTest.java (#15587) 2024-01-11 09:28:24 -08:00
core-java-datetime-string JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-datetime-string-2 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-documentation [JAVA-26727] Upgraded maven-javadoc-plugin to 3.6.2 version 2023-11-28 06:38:53 +02:00
core-java-exceptions JAVA-24938 Article Code Matches first commit (#14820) 2023-10-21 11:57:49 +03:00
core-java-exceptions-2 BAEL-6560: How to solve SocketException Connection reset (#14636) 2023-08-22 10:10:05 +02:00
core-java-exceptions-3 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-exceptions-4 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-function Merge pull request #15219 from maenolis/BAEL-7014 2023-12-11 19:45:03 -08:00
core-java-functional [JAVA-26714] Clean up of commons-lang3 2023-11-12 18:00:46 +02:00
core-java-hex Update README.md 2023-11-18 18:59:00 +08:00
core-java-httpclient [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-io [JAVA-26727] Upgraded maven-javadoc-plugin to 3.6.2 version 2023-11-28 06:38:53 +02:00
core-java-io-2 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-io-3 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-io-4 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-io-5 feature/BAEL-6712-split large file (#15262) 2023-12-19 19:34:54 -06:00
core-java-io-apis JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-io-apis-2 [fileWriter-flush-close] FileWriter flush() and close() (#15559) 2024-01-11 20:12:52 -06:00
core-java-io-conversions JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-io-conversions-2 BAEL-2499 - Write to CSV in Java 2023-11-20 19:43:54 -03:00
core-java-ipc Create README.md 2023-12-17 06:59:52 +08:00
core-java-jar JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-jndi [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-jpms JAVA-20211 Renamed modules (#13827) 2023-04-15 10:01:14 +05:30
core-java-jvm JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-jvm-2 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-jvm-3 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-lambdas Java 19120 Code review changes (#13747) 2023-04-20 18:40:19 +03:00
core-java-lang JAVA-24160 Review log statements for projects - Week 33 - 2023 2023-08-20 09:31:39 +03:00
core-java-lang-2 backlink updated 2023-06-09 14:34:21 +05:30
core-java-lang-3 Update README.md 2023-06-02 17:47:05 +03:00
core-java-lang-4 backlink updated 2023-05-27 16:59:40 +05:30
core-java-lang-5 [JAVA-26714] Clean up of commons-lang3 2023-11-12 18:00:46 +02:00
core-java-lang-6 Static ref non static (#15571) 2024-01-11 20:22:00 -06:00
core-java-lang-math JAVA-26077 Update the lombok version (#15493) 2023-12-27 21:04:34 +01:00
core-java-lang-math-2 JAVA-26530: Update the RectangleOverlap adding a method without borders check. 2023-11-23 06:21:19 +01:00
core-java-lang-math-3 Check if a point lies between 2 points (#15554) 2024-01-05 14:29:56 -08:00
core-java-lang-oop-constructors BAEL-6325 Create core-java-lang-oop-constructors-2 (#13933) 2023-05-01 19:53:21 -07:00
core-java-lang-oop-constructors-2 BAEL-6325 Create core-java-lang-oop-constructors-2 (#13933) 2023-05-01 19:53:21 -07:00
core-java-lang-oop-generics [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-lang-oop-inheritance backlink updated 2023-09-22 15:28:00 +05:30
core-java-lang-oop-methods [JAVA-29474] Replace commons-lang with commons-lang3 (#15514) 2024-01-03 22:21:49 +01:00
core-java-lang-oop-modifiers JAVA-16946 Upgrade h2 database version for remaining modules (#13976) 2023-05-14 20:13:06 +03:00
core-java-lang-oop-others Update README.md 2023-10-20 21:46:32 +08:00
core-java-lang-oop-patterns Use String over Object for unit tests 2023-11-05 11:37:03 +00:00
core-java-lang-oop-types JAVA-24054 Upgrade java-enum-values article (#14590) 2023-08-15 11:40:13 +03:00
core-java-lang-oop-types-2 Update README.md 2023-11-24 21:53:03 +08:00
core-java-lang-operators JAVA-27645 Check article code matches github (#15323) 2023-12-01 22:14:25 +02:00
core-java-lang-operators-2 Update README.md 2023-12-07 22:22:56 +08:00
core-java-lang-syntax JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-lang-syntax-2 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-locale JAVA-22625: Changes made for formatting the pom.xml (#14327) 2023-07-25 12:04:39 +05:30
core-java-loops Update README.md 2024-01-07 10:46:40 +08:00
core-java-methods updated backlink 2023-06-24 13:29:37 +05:30
core-java-networking Merge pull request #14919 from alvin577austria/JAVA-20429 2023-10-17 01:43:16 +02:00
core-java-networking-2 [JAVA-26714] Upgraded commons-codec to latest version 2023-11-12 17:34:55 +02:00
core-java-networking-3 JAVA-17293 Update Java Mail articles for core-java-networking-3 2023-01-28 13:15:21 +02:00
core-java-networking-4 Java 26716 Upgrade flying-saucer-pdf-openpdf, jsoup, openhtmltopdf (#15263) 2023-11-24 18:33:35 +02:00
core-java-nio JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-nio-2 [JAVA-20157] Upgraded core-java-serialization module to JDK17 (#14646) 2023-09-13 12:39:35 +03:00
core-java-numbers JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-numbers-2 JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-numbers-3 [bin-int-to-str] zero-padded binary string representation (#14885) 2023-10-08 21:30:55 -05:00
core-java-numbers-4 JAVA-13328 Update Convert Byte Size Into a Human-Readable Format in Java 2022-07-16 14:28:46 +05:30
core-java-numbers-5 backlink updated 2023-05-27 15:28:39 +05:30
core-java-numbers-6 Update README.md 2023-11-18 19:06:22 +08:00
core-java-numbers-7 BAEL-7286 Print a double value without scientific notation in Java (#15427) 2023-12-20 20:34:12 -08:00
core-java-numbers-conversions BAEL-7448: BigDecimal to Integer (#15569) 2024-01-07 19:07:28 -08:00
core-java-optional [JAVA-26739] Upgraded json-path to latest version 2023-11-12 16:35:46 +02:00
core-java-os JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-os-2 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-perf JAVA-29378 reduce loop size from 10M to 1M (#15452) 2023-12-20 23:25:48 +05:30
core-java-perf-2 Update README.md 2023-09-16 09:23:27 +08:00
core-java-properties JAVA-19115 Create new core-java-properties sub module under core-java-modules (#13669) 2023-04-12 17:17:52 +05:45
core-java-records Update README.md 2023-11-10 21:12:41 +08:00
core-java-reflection [JAVA-26714] Clean up of commons-lang3 2023-11-12 18:00:46 +02:00
core-java-reflection-2 Created another module for core-java-reflection 2023-10-11 20:58:43 +03:00
core-java-reflection-3 Java 28508 Fix formatting of POMs Modules A to C (#15359) 2023-12-06 18:17:52 +02:00
core-java-regex JAVA-19536 Fix formatting of pom.xmls 2023-04-05 07:14:09 +05:30
core-java-regex-2 BAEL-6705: Fixed typo (#15015) 2023-10-31 08:21:05 -07:00
core-java-scanner JAVA-24381:Changes made for fixing pom indentation (#14633) 2023-08-28 18:28:01 +03:00
core-java-security BAEL-6898: Add Debug property for ssl Handshakes (#14822) 2023-10-09 09:53:54 +02:00
core-java-security-2 [JAVA-26714] Upgraded bouncycastle to latest version 2023-11-12 17:46:52 +02:00
core-java-security-3 [JAVA-26714] Upgraded bouncycastle to latest version 2023-11-12 17:46:52 +02:00
core-java-security-4 BAEL-7340 Using Custom TrustStore in Java (#15562) 2024-01-08 19:08:14 -08:00
core-java-security-algorithms JAVA-24057 Upgrade java-aes-encryption-decription article (#14593) 2023-08-18 12:14:17 +03:00
core-java-serialization JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-streams-2 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams-3 [JAVA-29409] (#15483) 2023-12-26 10:17:23 +05:30
core-java-streams-4 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams-5 JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams-6 Update REAME.md 2024-01-12 21:15:39 +08:00
core-java-streams-collect JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams-maps JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-streams-simple [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-algorithms BAEL-6811 move string article to make space for a new one using the same library; delete extra file 2023-09-14 10:01:58 +03:00
core-java-string-algorithms-2 backlink updated 2023-05-31 15:46:34 +05:30
core-java-string-algorithms-3 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-algorithms-4 Update README.md 2024-01-07 10:44:26 +08:00
core-java-string-apis BAEL-7057: How to convert CharSequence to String? (#14892) 2023-10-09 09:55:29 +02:00
core-java-string-apis-2 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-conversions Merge branch 'eugenp:master' into string_to_int_encapsulation 2023-05-21 23:37:26 +05:30
core-java-string-conversions-2 Bael 7060 (#15247) 2023-11-20 22:28:10 +01:00
core-java-string-conversions-3 Merge pull request #15539 from Maiklins/BAEL-7368-update-readme 2024-01-02 21:19:58 +01:00
core-java-string-operations JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
core-java-string-operations-2 Java 28508 Fix formatting of POMs Modules A to C (#15359) 2023-12-06 18:17:52 +02:00
core-java-string-operations-3 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-operations-4 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-operations-5 [JAVA-27683] Fix failing module core-java-modules - upgrade to JDK 17 (#15495) 2024-01-04 20:08:03 +02:00
core-java-string-operations-6 [JAVA-29474] Replace commons-lang with commons-lang3 (#15514) 2024-01-03 22:21:49 +01:00
core-java-string-operations-7 This commit is related to BAEL-7024 (#15564) 2024-01-07 19:01:27 -08:00
core-java-strings Update README.md 2023-12-17 08:21:43 +08:00
core-java-sun BAEL-7346: Parse Java Source Code and Extract Methods (#15409) 2023-12-13 21:02:49 +01:00
core-java-swing JAVA-28506 Cleanup un-committed or un-ignored artifacts - Week 49 - 2023 (#15382) 2023-12-10 22:41:16 +01:00
core-java-time-measurements [JAVA-26734] Upgraded aspectjrt, aspectjweaver to latest version (#15140) 2023-11-20 12:58:10 +02:00
core-java-uuid JAVA-27804: Remove explicit logging dependency (#15448) 2024-01-09 09:48:12 +02:00
java-native JAVA-26394 Move java-native to core-java modules (#15092) 2023-11-04 11:23:37 +02:00
java-rmi JAVA-29231 Move modules inside existing container modules (#15492) 2024-01-01 21:27:05 +02:00
java-spi Make changes to remove relativepath from child modules like core java (#15535) 2024-01-02 23:14:18 +05:30
java-websocket JAVA-29231 Move modules inside existing container modules (#15492) 2024-01-01 21:27:05 +02:00
README.md JAVA-11533 Move core-java related modules to core-java-modules (#12119) 2022-05-04 20:15:22 +05:30
pom.xml Bael 7163 (#15532) 2024-01-09 10:11:00 +05:30

README.md

Core Java Modules

This module contains modules about core Java

Relevant articles: