SingltonJAVA

2024-09-25 16:44:47 -04:00
parent 9d5ed95bf7
commit d6d3ccd4df
16 changed files with 142 additions and 0 deletions
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/SingletonClasses.iml" filepath="$PROJECT_DIR$/SingletonClasses.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
@@ -0,0 +1,28 @@
+package SingletonClasses;
+
+public class LogManagement {
+
+  // First we create an instance of the class
+  private static LogManagement logM;
+
+  // Second, we create a PRIVATE constructor (PRIVATE TO AVOID INSTANTIATION)
+  private LogManagement() {
+
+  }
+
+  // We create public method to access the one and ONLY instance
+  public static LogManagement FuncLog() {
+    if (logM == null) {
+      synchronized (LogManagement.class) {
+        if (logM == null) {
+          logM = new LogManagement();
+        }
+      }
+    }
+    return logM;
+  }
+
+  public void Logs() {
+    System.out.println("Detailed logs on the way");
+  }
+}
@@ -0,0 +1,11 @@
+package SingletonClasses;
+
+/**
+ * LogReader
+ */
+public class LogReading {
+  public static void main(String[] args) {
+    LogManagement.FuncLog().Logs();
+
+  }
+}
@@ -0,0 +1,35 @@
+package SingletonClasses;
+
+public class MultiThreads {
+    public static void main(String[] args) {
+
+
+        Runnable tast = () -> {
+            LogManagement.FuncLog().Logs();
+        };
+        Thread thread1 = new Thread(tast);
+        Thread thread2 = new Thread(tast);
+        Thread thread3 = new Thread(tast);
+        Thread thread4 = new Thread(tast);
+        Thread thread5 = new Thread(tast);
+        Thread thread6 = new Thread(tast);
+
+        thread1.start();
+        thread2.start();
+        thread3.start();
+        thread4.start();
+        thread5.start();
+        thread6.start();
+        try{
+
+            thread1.join();
+            thread2.join();
+            thread3.join();
+            thread4.join();
+            thread5.join();
+            thread6.join();
+        }catch (InterruptedException e){
+            e.printStackTrace();
+        }
+    }
+}
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" packagePrefix="SingletonClasses" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/SingletonClasses.iml" filepath="$PROJECT_DIR$/SingletonClasses.iml" />
+    </modules>
+  </component>
+</project>
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" packagePrefix="SingletonClasses" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>