agh

Semester 4/Assignments/Threads_CalebFontenot/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>edu.slcc.asdv.caleb</groupId>
+    <artifactId>Threads_CalebFontenot</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <maven.compiler.source>20</maven.compiler.source>
+        <maven.compiler.target>20</maven.compiler.target>
+        <exec.mainClass>edu.slcc.asdv.caleb.threads_calebfontenot.Threads_CalebFontenot</exec.mainClass>
+    </properties>
+</project>

Semester 4/Assignments/Threads_CalebFontenot/src/main/java/edu/slcc/asdv/caleb/threads_calebfontenot/Threads_CalebFontenot.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ */
+
+package edu.slcc.asdv.caleb.threads_calebfontenot;
+
+/**
+ *
+ * @author caleb
+ */
+public class Threads_CalebFontenot {
+
+    public static void main(String[] args) {
+        System.out.println("Hello World!");
+    }
+}

Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountNoSync.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package sync;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ *
+ * @author caleb
+ */
+public class AccountNoSync {
+
+    private static Account account = new Account();
+
+    public static void main(String[] args)
+    {
+        ExecutorService executor = Executors.newCachedThreadPool();
+        // Create and launch 100 threads
+        for (int i = 0; i < 100; ++i) {
+            executor.execute(new AddAPennyTask());
+        }
+        executor.shutdown();
+        while (!executor.isTerminated());
+        System.out.println("Balance is " + account.getBalance());
+    }
+
+    // This is a thread for adding a penny to the account
+    private static class AddAPennyTask implements Runnable {
+
+        public void run()
+        {
+            account.deposit(1);
+        }
+    }
+        // An inner class for account
+        private static class Account {
+
+            private int balance = 0;
+
+            private int getBalance()
+            {
+                return balance;
+            }
+
+            public void deposit(int amount)
+            {
+                int newBalance = balance + amount;
+
+                // This delay is deliberately added to magnify the data corruption and makes it easy to see...
+                //try {
+                    //Thread.sleep(3);
+                //} catch (InterruptedException ex) {
+
+                //}
+                balance = newBalance;
+            }
+        }
+    
+}

Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSync2.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package sync;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ *
+ * @author caleb
+ */
+public class AccountSync2 {
+
+    private static Account account = new Account();
+
+    public static void main(String[] args)
+    {
+        ExecutorService executor = Executors.newCachedThreadPool();
+        // Create and launch 100 threads
+        for (int i = 0; i < 100; ++i) {
+            executor.execute(new AddAPennyTask());
+        }
+        executor.shutdown();
+        while (!executor.isTerminated());
+        System.out.println("Balance is " + account.getBalance());
+    }
+
+    // This is a thread for adding a penny to the account
+    private static class AddAPennyTask implements Runnable {
+
+        public void run()
+        {
+            account.deposit(1);
+        }
+    }
+        // An inner class for account
+        private static class Account {
+
+            private int balance = 0;
+
+            private int getBalance()
+            {
+                return balance;
+            }
+
+            public void deposit(int amount)
+            {
+                
+                     int newBalance = balance + amount;
+
+                // This delay is deliberately added to magnify the data corruption and makes it easy to see...
+                try {
+                    Thread.sleep(3);
+                } catch (InterruptedException ex) {
+
+                }
+                balance = newBalance;
+                
+            }
+        }
+    
+}

Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSync3.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package sync;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ *
+ * @author caleb
+ */
+public class AccountSync3 {
+
+    private static Lock lock = new ReentrantLock(); // Create a lock
+    private static Account account = new Account();
+
+    public static void main(String[] args)
+    {
+        ExecutorService executor = Executors.newCachedThreadPool();
+        // Create and launch 100 threads
+        for (int i = 0; i < 100; ++i) {
+            executor.execute(new AddAPennyTask());
+        }
+        executor.shutdown();
+        while (!executor.isTerminated());
+        System.out.println("Balance is " + account.getBalance());
+    }
+
+    // This is a thread for adding a penny to the account
+    private static class AddAPennyTask implements Runnable {
+
+        public void run()
+        {
+            account.deposit(1);
+        }
+    }
+        // An inner class for account
+        private static class Account {
+
+            private int balance = 0;
+
+            private int getBalance()
+            {
+                return balance;
+            }
+
+            public void deposit(int amount)
+            {
+                lock.lock(); // Acquire the lock
+                try {
+                int newBalance = balance + amount;
+
+                // This delay is deliberately added to magnify the data corruption and makes it easy to see...
+                //try {
+                    //Thread.sleep(3);
+                //} catch (InterruptedException ex) {
+
+                //}
+                balance = newBalance;
+                } finally {
+                    lock.unlock();
+                }
+            }
+        }
+    
+}

Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSyncronized.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package sync;
+
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+/**
+ *
+ * @author caleb
+ */
+public class AccountSyncronized {
+
+    private static Account account = new Account();
+
+    public static void main(String[] args)
+    {
+        ExecutorService executor = Executors.newCachedThreadPool();
+        // Create and launch 100 threads
+        for (int i = 0; i < 100; ++i) {
+            executor.execute(new AddAPennyTask());
+        }
+        executor.shutdown();
+        while (!executor.isTerminated());
+        System.out.println("Balance is " + account.getBalance());
+    }
+
+    // This is a thread for adding a penny to the account
+    private static class AddAPennyTask implements Runnable {
+
+        public void run()
+        {
+            account.deposit(1);
+        }
+    }
+        // An inner class for account
+        private static class Account {
+
+            private int balance = 0;
+
+            private int getBalance()
+            {
+                return balance;
+            }
+
+            public synchronized void deposit(int amount)
+            {
+                int newBalance = balance + amount;
+
+                // This delay is deliberately added to magnify the data corruption and makes it easy to see...
+                try {
+                    Thread.sleep(3);
+                } catch (InterruptedException ex) {
+
+                }
+                balance = newBalance;
+            }
+        }
+    
+}

Semester 4/Assignments/Threads_CalebFontenot/target/maven-status/maven-compiler-plugin/compile/default-compile/createdFiles.lst

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+edu/slcc/asdv/caleb/threads_calebfontenot/Threads_CalebFontenot.class
+sync/AccountSync3$Account.class
+sync/AccountSync2.class
+sync/AccountSync2$AddAPennyTask.class
+sync/AccountSync2$Account.class
+sync/AccountSyncronized$AddAPennyTask.class
+sync/AccountSync3$AddAPennyTask.class
+sync/AccountSync3.class
+sync/AccountNoSync.class
+sync/AccountSyncronized.class
+sync/AccountSyncronized$Account.class
+sync/AccountNoSync$Account.class
+sync/AccountNoSync$AddAPennyTask.class

Semester 4/Assignments/Threads_CalebFontenot/target/maven-status/maven-compiler-plugin/compile/default-compile/inputFiles.lst

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+/home/caleb/ASDV-Java/Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSync2.java
+/home/caleb/ASDV-Java/Semester 4/Assignments/Threads_CalebFontenot/src/main/java/edu/slcc/asdv/caleb/threads_calebfontenot/Threads_CalebFontenot.java
+/home/caleb/ASDV-Java/Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSyncronized.java
+/home/caleb/ASDV-Java/Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountSync3.java
+/home/caleb/ASDV-Java/Semester 4/Assignments/Threads_CalebFontenot/src/main/java/sync/AccountNoSync.java