CircularBuffer: Nice buffer with lambda producer and consumer

CircularBuffer/src/Buffer.java

@@ -0,0 +1,48 @@
+
+// All non primary objects (int, char etc) have wait, notify, notifyAll
+// Methods "synchronized" to provide intrinsic locks
+// If a thread calling wait() method does not own the inherent lock,
+//   an error will be thrown.
+public class Buffer {
+	private int BufferSize = 4;
+	private int[] Container = new int[BufferSize];
+	private int PosR=0, PosW=0;
+	
+	public synchronized int Read() {
+		while (true) {
+			if ( PosR == PosW ) {
+				try {
+					wait();
+				} catch (InterruptedException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+			} else {
+				int v=Container[ PosR ];
+				PosR = (PosR+1) % BufferSize;
+				System.out.println("Read pos " + PosR);
+				notifyAll();
+				return v;
+			}
+		}
+	}
+	
+	public synchronized void Write( int Val ) {
+		while (true) {
+			if (((PosW + 1) % BufferSize) == PosR) {
+				try {
+					wait();
+				} catch (InterruptedException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+			} else {
+				Container[PosW] = Val;
+				PosW = (PosW+1) % BufferSize;
+				System.out.println("Write pos " + PosW);
+				notifyAll();
+				return;
+			}
+		}
+	}
+}