more classpath progress

classpath/java/io/ObjectOutputStream.java

@@ -0,0 +1,26 @@
+package java.io;
+
+public class ObjectOutputStream extends OutputStream {
+  private final OutputStream out;
+
+  public ObjectOutputStream(OutputStream out) {
+    this.out = out;
+  }
+  
+  public void write(int c) throws IOException {
+    out.write(c);
+  }
+
+  public void write(byte[] b, int offset, int length) throws IOException {
+    out.write(b, offset, length);
+  }
+
+  public void flush() throws IOException {
+    out.flush();
+  }
+
+  public void close() throws IOException {
+    out.close();
+  }
+  
+}