3 files changed, 17 insertions, 10 deletions
diff --git a/vm/reference/java/lang/reflect/Constructor.java b/vm/reference/java/lang/reflect/Constructor.java
index e2c5e65a0..0692f92f9 100644
--- a/vm/reference/java/lang/reflect/Constructor.java
+++ b/vm/reference/java/lang/reflect/Constructor.java
@@ -185,7 +185,7 @@ public final class Constructor<T>
   public String toString()
   {
     // 128 is a reasonable buffer initial size for constructor
-    StringBuffer sb = new StringBuffer(128);
+    StringBuilder sb = new StringBuilder(128);
     Modifier.toString(getModifiers(), sb).append(' ');
     sb.append(getDeclaringClass().getName()).append('(');
     Class[] c = getParameterTypes();
@@ -248,11 +248,18 @@ public final class Constructor<T>
     throws InstantiationException, IllegalAccessException,
            InvocationTargetException;
 
-  /** FIXME
+  /**
+   * Returns an array of <code>TypeVariable</code> objects that represents
+   * the type variables declared by this constructor, in declaration order.
+   * An array of size zero is returned if this class has no type
+   * variables.
+   *
+   * @return the type variables associated with this class. 
+   * @throws GenericSignatureFormatError if the generic signature does
+   *         not conform to the format specified in the Virtual Machine
+   *         specification, version 3.
    * @since 1.5
    */
-  public TypeVariable<?>[] getTypeParameters()
-  {
-    return new TypeVariable<?>[0];
-  }
+  public native TypeVariable<?>[] getTypeParameters();
+
 }
diff --git a/vm/reference/java/lang/reflect/Field.java b/vm/reference/java/lang/reflect/Field.java
index 36469796b..f82fc4a58 100644
--- a/vm/reference/java/lang/reflect/Field.java
+++ b/vm/reference/java/lang/reflect/Field.java
@@ -169,7 +169,7 @@ extends AccessibleObject implements Member
   public String toString()
   {
     // 64 is a reasonable buffer initial size for field
-    StringBuffer sb = new StringBuffer(64);
+    StringBuilder sb = new StringBuilder(64);
     Modifier.toString(getModifiers(), sb).append(' ');
     sb.append(getType().getName()).append(' ');
     sb.append(getDeclaringClass().getName()).append('.');
diff --git a/vm/reference/java/lang/reflect/Method.java b/vm/reference/java/lang/reflect/Method.java
index 693c31c9f..d6aea0b6d 100644
--- a/vm/reference/java/lang/reflect/Method.java
+++ b/vm/reference/java/lang/reflect/Method.java
@@ -124,7 +124,7 @@ extends AccessibleObject implements Member
    * Gets the return type of this method.
    * @return the type of this method
    */
-  public native Class getReturnType();
+  public native Class<?> getReturnType();
 
   /**
    * Get the parameter list for this method, in declaration order. If the
@@ -210,7 +210,7 @@ extends AccessibleObject implements Member
   public String toString()
   {
     // 128 is a reasonable buffer initial size for constructor
-    StringBuffer sb = new StringBuffer(128);
+    StringBuilder sb = new StringBuilder(128);
     Modifier.toString(getModifiers(), sb).append(' ');
     sb.append(getUserTypeName(getReturnType().getName())).append(' ');
     sb.append(getDeclaringClass().getName()).append('.');
@@ -323,7 +323,7 @@ extends AccessibleObject implements Member
    * @throws ExceptionInInitializerError if accessing a static method triggered
    *         class initialization, which then failed
    */
-  public Object invoke(Object o, Object[] args)
+  public Object invoke(Object o, Object... args)
     throws IllegalAccessException, InvocationTargetException
   {
     return invokeNative(o, args, declaringClass, slot);