diff -r 6d1e8eccdc98 -r a2ca83ddc521 javap/src/main/java/org/apidesign/javap/TrapDataIterator.java
--- a/javap/src/main/java/org/apidesign/javap/TrapDataIterator.java	Sun Dec 09 16:16:19 2012 +0100
+++ b/javap/src/main/java/org/apidesign/javap/TrapDataIterator.java	Sun Dec 09 16:25:36 2012 +0100
@@ -11,7 +11,8 @@
 public final class TrapDataIterator {
     private final java.util.Map<Short, TrapData> exStart = new java.util.HashMap<Short, TrapData>();
     private final java.util.Map<Short, TrapData> exStop = new java.util.HashMap<Short, TrapData>();
-    private final java.util.Deque<TrapData> current = new java.util.ArrayDeque<TrapData>();
+    private TrapData[] current = new TrapData[10];
+    private int currentCount;
     
     TrapDataIterator(Vector exceptionTable) {
         for (int i=0 ; i < exceptionTable.size(); i++) {
@@ -24,19 +25,45 @@
     public void advanceTo(int i) {
         TrapData e = exStart.get((short) i);
         if (e != null) {
-            current.addFirst(e);
+            add(e);
         }
         e = exStop.get((short) i);
         if (e != null) {
-            current.remove(e);
+            remove(e);
         }
     }
 
     public boolean useTry() {
-        return !current.isEmpty();
+        return currentCount > 0;
     }
 
     public TrapData[] current() {
-        return current.toArray(new TrapData[0]);
+        return current;
+    }
+
+    private void add(TrapData e) {
+        if (currentCount == current.length) {
+            TrapData[] data = new TrapData[currentCount * 2];
+            for (int i = 0; i < currentCount; i++) {
+                data[i] = current[i];
+            }
+            current = data;
+        }
+        current[currentCount++] = e;
+    }
+
+    private void remove(TrapData e) {
+        int from = 0;
+        while (from < currentCount) {
+            if (e == current[from++]) {
+                break;
+            }
+        }
+        while (from < currentCount) {
+            current[from - 1] = current[from];
+            current[from] = null;
+            from++;
+        }
+        currentCount--;
     }
 }