Borgio
diff --git a/‎.gitignore
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Lines changed: 1 addition & 0 deletions
diff --git a/‎java-lock-objects-and-atomic-variables/src/ReadWriteLockExample.java
Lines changed: 55 additions & 0 deletions b/‎java-lock-objects-and-atomic-variables/src/ReadWriteLockExample.java
Lines changed: 55 additions & 0 deletions
diff --git a/‎java-lock-objects-and-atomic-variables/src/ReentrantLockExample.java
Lines changed: 5 additions & 2 deletions b/‎java-lock-objects-and-atomic-variables/src/ReentrantLockExample.java
Lines changed: 5 additions & 2 deletions
diff --git a/‎java-lock-objects-and-atomic-variables/src/StampedLockExample.java
Lines changed: 0 additions & 5 deletions b/‎java-lock-objects-and-atomic-variables/src/StampedLockExample.java
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diff --git a/‎java-thread-and-runnable-examples/src/RunnableExample.class
-998 Bytes b/‎java-thread-and-runnable-examples/src/RunnableExample.class
-998 Bytes
diff --git a/‎java-thread-and-runnable-examples/src/ThreadExample.class
-859 Bytes b/‎java-thread-and-runnable-examples/src/ThreadExample.class
-859 Bytes
diff --git a/‎java-thread-and-runnable-examples/src/ThreadJoinExample.class
-1.75 KB b/‎java-thread-and-runnable-examples/src/ThreadJoinExample.class
-1.75 KB
diff --git a/‎java-thread-and-runnable-examples/src/ThreadJoinExample.java
Lines changed: 3 additions & 3 deletions b/‎java-thread-and-runnable-examples/src/ThreadJoinExample.java
Lines changed: 3 additions & 3 deletions
diff --git a/‎java-thread-and-runnable-examples/src/ThreadSleepExample.class
-1.9 KB b/‎java-thread-and-runnable-examples/src/ThreadSleepExample.class
-1.9 KB
diff --git a/‎java-thread-and-runnable-examples/src/ThreadSleepExample.java
Lines changed: 1 addition & 1 deletion b/‎java-thread-and-runnable-examples/src/ThreadSleepExample.java
Lines changed: 1 addition & 1 deletion
@@ -2,3 +2,4 @@
 .idea
 out
 *.iml
+*.class
@@ -1,5 +1,60 @@
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.locks.ReadWriteLock;
+import java.util.concurrent.locks.ReentrantReadWriteLock;
+
 /**
  * Created by rajeevkumarsingh on 11/05/17.
  */
+class ReadWriteCounter {
+    ReadWriteLock lock = new ReentrantReadWriteLock();
+
+    private int count = 0;
+
+    public int incrementAndGetCount() {
+        lock.writeLock().lock();
+
+        try {
+            count = count + 1;
+            return count;
+        } finally {
+            lock.writeLock().unlock();
+        }
+    }
+
+    public int getCount() {
+        lock.readLock().lock();
+        try {
+            return count;
+        } finally {
+            lock.readLock().unlock();
+        }
+    }
+}
+
 public class ReadWriteLockExample {
+
+    public static void main(String[] args) {
+        ExecutorService executorService = Executors.newFixedThreadPool(3);
+
+        ReadWriteCounter counter = new ReadWriteCounter();
+
+        Runnable readTask = () -> {
+          System.out.println(Thread.currentThread().getName() +
+                  " Read Task : " + counter.getCount());
+        };
+
+        Runnable writeTask = () -> {
+            System.out.println(Thread.currentThread().getName() +
+                    " Write Task : " + counter.incrementAndGetCount());
+        };
+
+        executorService.submit(readTask);
+        executorService.submit(readTask);
+
+        executorService.submit(writeTask);
+
+        executorService.submit(readTask);
+        executorService.submit(readTask);
+    }
 }
@@ -11,6 +11,7 @@ class ReentrantLockCounter {
 
     private int count = 0;
 
+    // Thread Safe Increment
     public void increment() {
         lock.lock();
         try {
@@ -30,11 +31,13 @@ public int getCount() {
 public class ReentrantLockExample {
 
     public static void main(String[] args) throws InterruptedException {
-        ExecutorService executorService = Executors.newFixedThreadPool(2);
+        ExecutorService executorService = Executors.newFixedThreadPool(5);
 
         ReentrantLockCounter counter = new ReentrantLockCounter();
 
-        for(int i = 0; i < 1000; i++) {
+        executorService.submit(() -> counter.increment());
+
+        for(int i = 0; i < 10; i++) {
             executorService.submit(() -> counter.increment());
         }
 
 
@@ -10,7 +10,7 @@ public static void main(String[] args) {
             try {
                 Thread.sleep(2000);
             } catch (InterruptedException e) {
-                e.printStackTrace();
+                throw new IllegalStateException(e);
             }
             System.out.println("Exiting Thread 1");
         });
@@ -21,7 +21,7 @@ public static void main(String[] args) {
             try {
                 Thread.sleep(4000);
             } catch (InterruptedException e) {
-                e.printStackTrace();
+                throw new IllegalStateException(e);
             }
             System.out.println("Exiting Thread 2");
         });
@@ -33,7 +33,7 @@ public static void main(String[] args) {
         try {
             thread1.join(1000);
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            throw new IllegalStateException(e);
         }
 
         System.out.println("Waited enough! Starting Thread 2 now");
 
@@ -22,7 +22,7 @@ public static void main(String[] args) {
                 try {
                     Thread.sleep(2000);
                 } catch (InterruptedException e) {
-                    e.printStackTrace();
+                    throw new IllegalStateException(e);
                 }
             }
         };
-Original file line number
+Diff line change
 .idea
 out
 *.iml
 +*.class
Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ public static void main(String[] args) {`
`22`	`22`	`try {`
`23`	`23`	`Thread.sleep(2000);`
`24`	`24`	`} catch (InterruptedException e) {`
`25`		`- e.printStackTrace();`
	`25`	`+ throw new IllegalStateException(e);`
`26`	`26`	`}`
`27`	`27`	`}`
`28`	`28`	`};`