diff -r 000000000000 -r 959103a6100f src/share/classes/com/sun/tools/javadoc/ConstructorDocImpl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/javadoc/ConstructorDocImpl.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.tools.javadoc;
+
+import com.sun.javadoc.*;
+
+import com.sun.source.util.TreePath;
+import com.sun.tools.javac.code.Symbol.ClassSymbol;
+import com.sun.tools.javac.code.Symbol.MethodSymbol;
+
+/**
+ * Represents a constructor of a java class.
+ *
+ *  <p><b>This is NOT part of any supported API.
+ *  If you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ *
+ * @since 1.2
+ * @author Robert Field
+ * @author Neal Gafter (rewrite)
+ */
+
+public class ConstructorDocImpl
+        extends ExecutableMemberDocImpl implements ConstructorDoc {
+
+    /**
+     * constructor.
+     */
+    public ConstructorDocImpl(DocEnv env, MethodSymbol sym) {
+        super(env, sym);
+    }
+
+    /**
+     * constructor.
+     */
+    public ConstructorDocImpl(DocEnv env, MethodSymbol sym, TreePath treePath) {
+        super(env, sym, treePath);
+    }
+
+    /**
+     * Return true if it is a constructor, which it is.
+     *
+     * @return true
+     */
+    public boolean isConstructor() {
+        return true;
+    }
+
+    /**
+     * Get the name.
+     *
+     * @return the name of the member.
+     */
+    public String name() {
+        ClassSymbol c = sym.enclClass();
+        return c.name.toString();
+    }
+
+    /**
+     * Get the name.
+     *
+     * @return the qualified name of the member.
+     */
+    public String qualifiedName() {
+        return sym.enclClass().getQualifiedName().toString();
+    }
+
+    /**
+     * Returns a string representation of this constructor.  Includes the
+     * qualified signature and any type parameters.
+     * Type parameters precede the class name, as they do in the syntax
+     * for invoking constructors with explicit type parameters using "new".
+     * (This is unlike the syntax for invoking methods with explicit type
+     * parameters.)
+     */
+    public String toString() {
+        return typeParametersString() + qualifiedName() + signature();
+    }
+}