Java Collection Max toString(Collection entries, int max)

Description

to String

License

Open Source License

Parameter

Parameter	Description
entries	a collection of things
max	maximum number of entries to print

Return

a string representation of this collection with up to max entries.

Declaration

public static String toString(Collection<?> entries, int max) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w.j a v a 2  s. c  o  m*/
 * This file is part of JOP, the Java Optimized Processor
 *   see <http://www.jopdesign.com/>
 *
 * Copyright (C) 2008, Benedikt Huber (benedikt.huber@gmail.com)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.Collection;

import java.util.Iterator;

public class Main {
    /**
     * @param entries a collection of things
     * @param max maximum number of entries to print
     * @return a string representation of this collection with up to max entries. 
     */
    public static String toString(Collection<?> entries, int max) {
        StringBuffer sb = new StringBuffer("[");
        int cnt = Math.min(entries.size(), max);
        Iterator<?> it = entries.iterator();
        for (int i = 0; i < cnt; i++) {
            if (i > 0)
                sb.append(",");
            sb.append(it.next().toString());
        }
        if (cnt < entries.size()) {
            sb.append(",...");
        }
        sb.append("]");
        return sb.toString();
    }
}

Related

1. maxLength(Collection strings)
2. maxOr(Collection values, T defaultVal)
3. minOrMax(int sign, Collection values)
4. partitionFixed(int maxNumChunks, Collection coll)
5. toString(Collection collection, int maxLen)
6. transfer(Collection source, Collection dest, int maxElems)
7. truncate(Collection coll, int maximumSize)
8. valueOfCollection(Collection c, int maxLength)