objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) {

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

      assert(klass->is_klass(), "must be instance class");

  {- -------------------------------------------
  (1) 以下のどちらかでメモリを確保し, 結果をリターン.

      * 処理対象のクラス(= klass 引数)が配列クラスの場合:
        arrayKlass::allocate_arrayArray()
      * 処理対象のクラス(= klass 引数)が配列クラスではない場合:
        instanceKlass::allocate_objArray() 
      ---------------------------------------- -}

      if (klass->klass_part()->oop_is_array()) {
        return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD);
      } else {
        assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass");
        return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD);
      }
    }