Here you can find the source of iterableToString(Iterable
| Parameter | Description |
|---|---|
| objects | an iterable of objects to be turned into a string |
| limit | the maximum number of objects from iterable to be used to build a string |
public static <T> String iterableToString(Iterable<T> objects, int limit)
//package com.java2s; import java.util.Iterator; import java.util.LinkedList; public class Main { /**//ww w . j a va 2 s .c o m * Returns a string representation of the iterable objects. This is * used in debugging. The limit parameter is used to control how many * elements of the iterable are used to build the final string. Use * 0 or negative values, to include all. * * @param objects an iterable of objects to be turned into a string * @param limit the maximum number of objects from iterable to be used * to build a string */ public static <T> String iterableToString(Iterable<T> objects, int limit) { StringBuilder builder = new StringBuilder().append("["); String sep = ""; int head = (limit <= 0) ? Integer.MAX_VALUE : (limit + 1) / 2; int tail = (limit <= 0) ? 0 : limit - head; Iterator<T> iter = objects.iterator(); while (iter.hasNext() && --head >= 0) { builder.append(sep).append(iter.next().toString()); sep = ", "; } LinkedList<T> tailMembers = new LinkedList<T>(); int seen = 0; while (iter.hasNext()) { tailMembers.add(iter.next()); if (++seen > tail) { tailMembers.removeFirst(); } } if (seen > tail) { builder.append(", ..."); } for (T o : tailMembers) { builder.append(sep).append(o.toString()); sep = ", "; } return builder.append("]").toString(); } }