diff --git a/README.md b/README.md index abe15de8..5552aed1 100644 --- a/README.md +++ b/README.md @@ -2016,6 +2016,23 @@ public class StringToDateSnippet { ### Thread Pool +### Thread + +```java +public class ThreadSnippet { + + /** + * Creates and returns a new thread with the task assigned to it (task will be performed parallel to the main thread). + * + * @param task the task to be executed by this thread + * @return new thread with task assigned to it. + */ + public static Thread createThread(Runnable task) { + return new Thread(task); + } +} +``` + ```java public class ThreadPool { diff --git a/src/main/java/thread/ThreadSnippet.java b/src/main/java/thread/ThreadSnippet.java new file mode 100644 index 00000000..be00f019 --- /dev/null +++ b/src/main/java/thread/ThreadSnippet.java @@ -0,0 +1,42 @@ +/* + * MIT License + * + * Copyright (c) 2017-2022 Ilkka Seppälä + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package thread; + +/** + * ThreadSnippet. + */ +public class ThreadSnippet { + + /** + * Creates and returns a new thread with the task assigned to it + * (task will be performed parallel to the main thread). + * + * @param task the task to be executed by this thread + * @return new thread with task assigned to it. + */ + public static Thread createThread(Runnable task) { + return new Thread(task); + } +} \ No newline at end of file diff --git a/src/test/java/thread/ThreadSnippetTest.java b/src/test/java/thread/ThreadSnippetTest.java new file mode 100644 index 00000000..9680b330 --- /dev/null +++ b/src/test/java/thread/ThreadSnippetTest.java @@ -0,0 +1,57 @@ +/* + * MIT License + * + * Copyright (c) 2017-2022 Ilkka Seppälä + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +package thread; + +import static org.junit.jupiter.api.Assertions.assertEquals; + +import java.util.concurrent.atomic.AtomicInteger; +import org.junit.jupiter.api.Test; + + +/* + * Tests for 30 Seconds of Java code library + * + */ +class ThreadSnippetTest { + + /** + * Tests for {@link ThreadSnippet#createThread(Runnable)}. + */ + @Test + void createThread() throws InterruptedException { + AtomicInteger counter = new AtomicInteger(0); + + Thread t = ThreadSnippet.createThread(() -> { + for (int i = 0; i < 1000000; i++) { + counter.getAndIncrement(); + } + }); + + t.start(); + t.join(); + + assertEquals(counter.get(), 1000000); + } +} \ No newline at end of file