content: /*
   * 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 org.apache.calcite;
  
  import java.util.ArrayList;
  
  /**
   * Demo.
   */
  public class Demo {
    private Demo() {
    }
  
    public static void main(String[] args) {
      ArrayList<String> names = new ArrayList<>();
      names.add("John");
      names.add("Paul");
      names.add("George");
      names.add("Ringo");
  
      Iterable<String> nameIterable = names;
  
      for (String name : nameIterable) {
        System.out.println(name);
      }
    }
  }
  