src/java.xml/share/classes/com/sun/org/apache/bcel/internal/util/ClassQueue.java

*** 1,8 ****
  /*
!  * reserved comment block
!  * DO NOT REMOVE OR ALTER!
   */
  /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
--- 1,7 ----
  /*
!  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   */
  /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
*** 16,48 ****
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
- 
  package com.sun.org.apache.bcel.internal.util;
  
  import java.util.LinkedList;
  import com.sun.org.apache.bcel.internal.classfile.JavaClass;
  
  /**
!  * Utility class implementing a (typesafe) queue of JavaClass
!  * objects.
   *
!  * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
!  * @see ClassVector
! */
! public class ClassQueue implements java.io.Serializable {
!   protected LinkedList vec  = new LinkedList();
  
!   public void enqueue(JavaClass clazz) { vec.addLast(clazz); }
  
    public JavaClass dequeue()                {
!     return (JavaClass)vec.removeFirst();
    }
  
!   public boolean empty() { return vec.isEmpty(); }
  
    public String toString() {
      return vec.toString();
    }
  }
--- 15,51 ----
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.sun.org.apache.bcel.internal.util;
  
  import java.util.LinkedList;
+ 
  import com.sun.org.apache.bcel.internal.classfile.JavaClass;
  
  /**
!  * Utility class implementing a (typesafe) queue of JavaClass objects.
   *
!  * @version $Id: ClassQueue.java 1747278 2016-06-07 17:28:43Z britter $
!  */
! public class ClassQueue {
  
!     private final LinkedList<JavaClass> vec = new LinkedList<>();
! 
!     public void enqueue(final JavaClass clazz) {
!         vec.addLast(clazz);
!     }
  
      public JavaClass dequeue() {
!         return vec.removeFirst();
      }
  
!     public boolean empty() {
!         return vec.isEmpty();
!     }
  
+     @Override
      public String toString() {
          return vec.toString();
      }
  }