From 99381e0b1528cfe703b30de3d38eea7aaa839df5 Mon Sep 17 00:00:00 2001 From: kwoyke Date: Wed, 9 Sep 2020 18:35:31 +0200 Subject: [PATCH] BAEL-4588: Update Guide To Java 8 Optional (#9995) * BAEL-4588: Fix maven-shade-plugin version * BAEL-4588: Add empty core-java-11-2 module structure * BAEL-4588: Move Guide To Java 8 Optional to core-java-11-2 * BAEL-4588: Add Java 10 orElseThrow() example --- core-java-modules/core-java-11-2/README.md | 7 +++ core-java-modules/core-java-11-2/pom.xml | 48 +++++++++++++++++++ .../java/com/baeldung/optional/Modem.java | 0 .../java/com/baeldung/optional/Person.java | 0 .../optional/OptionalChainingUnitTest.java | 4 +- .../baeldung/optional/OptionalUnitTest.java | 10 +++- core-java-modules/core-java-11/pom.xml | 2 +- .../core-java-optional/README.md | 1 - 8 files changed, 68 insertions(+), 4 deletions(-) create mode 100644 core-java-modules/core-java-11-2/README.md create mode 100644 core-java-modules/core-java-11-2/pom.xml rename core-java-modules/{core-java-optional => core-java-11-2}/src/main/java/com/baeldung/optional/Modem.java (100%) rename core-java-modules/{core-java-optional => core-java-11-2}/src/main/java/com/baeldung/optional/Person.java (100%) rename core-java-modules/{core-java-optional => core-java-11-2}/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java (96%) rename core-java-modules/{core-java-optional => core-java-11-2}/src/test/java/com/baeldung/optional/OptionalUnitTest.java (96%) diff --git a/core-java-modules/core-java-11-2/README.md b/core-java-modules/core-java-11-2/README.md new file mode 100644 index 0000000000..f65a043819 --- /dev/null +++ b/core-java-modules/core-java-11-2/README.md @@ -0,0 +1,7 @@ +## Core Java 11 + +This module contains articles about Java 11 core features + +### Relevant articles +- [Guide to Java 8 Optional](https://www.baeldung.com/java-optional) + diff --git a/core-java-modules/core-java-11-2/pom.xml b/core-java-modules/core-java-11-2/pom.xml new file mode 100644 index 0000000000..d20b0f23f0 --- /dev/null +++ b/core-java-modules/core-java-11-2/pom.xml @@ -0,0 +1,48 @@ + + + 4.0.0 + core-java-11-2 + 0.1.0-SNAPSHOT + core-java-11-2 + jar + + + com.baeldung + parent-modules + 1.0.0-SNAPSHOT + ../.. + + + + + org.assertj + assertj-core + ${assertj.version} + test + + + + + + + org.apache.maven.plugins + maven-compiler-plugin + ${maven-compiler-plugin.version} + + ${maven.compiler.source.version} + ${maven.compiler.target.version} + + + + + + + 11 + 11 + 3.17.2 + + + diff --git a/core-java-modules/core-java-optional/src/main/java/com/baeldung/optional/Modem.java b/core-java-modules/core-java-11-2/src/main/java/com/baeldung/optional/Modem.java similarity index 100% rename from core-java-modules/core-java-optional/src/main/java/com/baeldung/optional/Modem.java rename to core-java-modules/core-java-11-2/src/main/java/com/baeldung/optional/Modem.java diff --git a/core-java-modules/core-java-optional/src/main/java/com/baeldung/optional/Person.java b/core-java-modules/core-java-11-2/src/main/java/com/baeldung/optional/Person.java similarity index 100% rename from core-java-modules/core-java-optional/src/main/java/com/baeldung/optional/Person.java rename to core-java-modules/core-java-11-2/src/main/java/com/baeldung/optional/Person.java diff --git a/core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java b/core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java similarity index 96% rename from core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java rename to core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java index 9ef156501b..65b9e22f44 100644 --- a/core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java +++ b/core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalChainingUnitTest.java @@ -7,7 +7,9 @@ import java.util.Optional; import java.util.function.Supplier; import java.util.stream.Stream; -import static org.junit.Assert.*; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; public class OptionalChainingUnitTest { diff --git a/core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalUnitTest.java b/core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalUnitTest.java similarity index 96% rename from core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalUnitTest.java rename to core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalUnitTest.java index de16e9b635..1b0a2d4445 100644 --- a/core-java-modules/core-java-optional/src/test/java/com/baeldung/optional/OptionalUnitTest.java +++ b/core-java-modules/core-java-11-2/src/test/java/com/baeldung/optional/OptionalUnitTest.java @@ -9,7 +9,9 @@ import java.util.List; import java.util.NoSuchElementException; import java.util.Optional; -import static org.junit.Assert.*; +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; public class OptionalUnitTest { @@ -262,6 +264,12 @@ public class OptionalUnitTest { .orElseThrow(IllegalArgumentException::new); } + @Test(expected = NoSuchElementException.class) + public void whenNoArgOrElseThrowWorks_thenCorrect() { + String nullName = null; + String name = Optional.ofNullable(nullName).orElseThrow(); + } + public String getMyDefault() { LOG.debug("Getting default value..."); return "Default Value"; diff --git a/core-java-modules/core-java-11/pom.xml b/core-java-modules/core-java-11/pom.xml index bbc4219eaa..2f7f5a6bcf 100644 --- a/core-java-modules/core-java-11/pom.xml +++ b/core-java-modules/core-java-11/pom.xml @@ -107,7 +107,7 @@ benchmarks 1.22 10.0.0 - 10.0.0 + 3.2.4 diff --git a/core-java-modules/core-java-optional/README.md b/core-java-modules/core-java-optional/README.md index d9d2fe813b..6c83003ea2 100644 --- a/core-java-modules/core-java-optional/README.md +++ b/core-java-modules/core-java-optional/README.md @@ -4,7 +4,6 @@ This module contains articles about Java Optional. ### Relevant Articles: - [Java Optional as Return Type](https://www.baeldung.com/java-optional-return) -- [Guide to Java 8 Optional](https://www.baeldung.com/java-optional) - [Java Optional – orElse() vs orElseGet()](https://www.baeldung.com/java-optional-or-else-vs-or-else-get) - [Transforming an Empty String into an Empty Optional](https://www.baeldung.com/java-empty-string-to-empty-optional) - [Filtering a Stream of Optionals in Java](https://www.baeldung.com/java-filter-stream-of-optional)