Java Collection Element Get get(Collection p_collection, int p_index)

Description

Returns the element at the specified position in the collection.

License

Apache License

Parameter

Parameter	Description
p_collection	a Collection
p_index	index of element to return.

Declaration

public static Object get(Collection p_collection, int p_index) 

Method Source Code

//package com.java2s;
/**/*w  w w.j a v  a  2s.c om*/
 *  Copyright 2009 Welocalize, Inc. 
 *  
 *  Licensed 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.
 *  
 */

import java.util.Collection;
import java.util.Iterator;

public class Main {
    /**
     * Returns the element at the specified position in the 
     * collection. 
     * Shifts any subsequent elements to the left 
     * (subtracts one from their indices). 
     * Returns the element that was removed from the Collection.
     * @param p_collection a Collection
     * @param p_index index of element to return.
     * @returns the element at the specified position in the 
     * collection.
     */
    public static Object get(Collection p_collection, int p_index) {
        if (p_collection == null) {
            return null;
        }
        Iterator it = p_collection.iterator();
        for (int i = 0; it.hasNext(); i++) {
            if (i == p_index) {
                return it.next();
            }
        }
        return null;
    }
}

Related

1. get(Collection coll, int index)
2. get(Collection arr, int idx)
3. get(Collection collection, int index)
4. get(Collection p_oCol, T p_oObj)
5. get(Collection v, int i)