Initial data commit

Task/Read-entire-file/Java/read-entire-file-2.java

@@ -0,0 +1,20 @@
+import java.nio.channels.FileChannel.MapMode;
+import java.nio.MappedByteBuffer;
+import java.io.RandomAccessFile;
+import java.io.IOException;
+import java.io.File;
+
+public class MMapReadFile {
+	public static void main(String[] args) throws IOException {
+		MappedByteBuffer buff = getBufferFor(new File(args[0]));
+                String results = new String(buff.asCharBuffer());
+	}
+	
+	public static MappedByteBuffer getBufferFor(File f) throws IOException {
+		RandomAccessFile file = new RandomAccessFile(f, "r");
+	
+		MappedByteBuffer buffer = file.getChannel().map(MapMode.READ_ONLY, 0, f.length());
+		file.close();
+		return buffer;
+	}
+}