Yu1709$!%yuyu!$%wutu!5=126+

                
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\   \/  /  _____|  |   ______  _  __
 \     /  /  ___/  |  /  _ \ \/ \/ /
 /     \  \___ \|  |_(  <_> )     / 
/___/\  \/____  >____/\____/ \/\_/  
      \_/     \/    @ligmakokz

Editing: DummyCart.java

/*
* 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.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* 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 sessions;

import java.util.Vector;

public class DummyCart {
    final Vector<String> v = new Vector<>();
    String submit = null;
    String item = null;

private void addItem(String name) {
        v.addElement(name);
    }

private void removeItem(String name) {
        v.removeElement(name);
    }

public void setItem(String name) {
        item = name;
    }

public void setSubmit(String s) {
        submit = s;
    }

public String[] getItems() {
        String[] s = new String[v.size()];
        v.copyInto(s);
        return s;
    }

public void processRequest() {
        // null value for submit - user hit enter instead of clicking on
        // "add" or "remove"
        if (submit == null || submit.equals("add")) {
            addItem(item);
        } else if (submit.equals("remove")) {
            removeItem(item);
        }

// reset at the end of the request
        reset();
    }

// reset
    private void reset() {
        submit = null;
        item = null;
    }
}

Name	Type	Actions
DummyCart.class	File
DummyCart.java	File