1 files changed, 24 insertions, 0 deletions
diff --git a/tutorial/examples/adapter/VectorStack.oj b/tutorial/examples/adapter/VectorStack.oj
new file mode 100644
index 0000000..7306e98
--- /dev/null
+++ b/tutorial/examples/adapter/VectorStack.oj
@@ -0,0 +1,24 @@
+package examples.adapter;
+
+import java.util.Enumeration;
+import java.util.Vector;
+
+public class VectorStack instantiates AdapterClass
+          adapts Vector in v to examples.adapter.Stack
+{
+    Vector v;
+    public VectorStack( Vector v ) {
+    this.v = v;
+    }
+    public void push( Object o ) {
+    v.addElement( o );
+    }
+    public Object pop() {
+    Object result = peek();
+    v.removeElementAt( v.size() - 1 );
+    return result;
+    }
+    public Object peek() {
+        return v.elementAt( v.size() - 1 );
+    }
+}