Join an array of Strings together.

  
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

class Main {
    /**
     * Join an array of Strings together.
     * 
     * @param glue Token to place between Strings.
     * @param pieces Array of Strings to join.
     * @return String presentation of joined Strings.
     * @see #join(String,java.util.Iterator)
     */
    public static String join(List<String> pieces, String glue) {
        return join(pieces.iterator(), glue);
    }
    /**
     * Join an Iteration of Strings together.
     * <p/>
     * <h5>Example</h5>
     * <p/>
     * <p/>
     * 
     * <pre>
     * // get Iterator of Strings (&quot;abc&quot;,&quot;def&quot;,&quot;123&quot;);
     * Iterator i = getIterator();
     * out.print(TextUtils.join(&quot;, &quot;, i));
     * // prints: &quot;abc, def, 123&quot;
     * </pre>
     * 
     * @param glue Token to place between Strings.
     * @param pieces Iteration of Strings to join.
     * @return String presentation of joined Strings.
     */
    private static String join(Iterator<String> pieces, String glue) {
        StringBuilder s = new StringBuilder();
        while (pieces.hasNext()) {
            s.append(pieces.next());

            if (pieces.hasNext()) {
                s.append(glue);
            }
        }
        return s.toString();
    }
    /**
     * Join an array of Strings together.
     * 
     * @param glue Token to place between Strings.
     * @param pieces Array of Strings to join.
     * @return String presentation of joined Strings.
     * @see #join(String,java.util.Iterator)
     */
    public static String join(Map<String, String> pieces, String glue) {
        List<String> tmp = new ArrayList<String>(pieces.size());
        for (Map.Entry<String, String> entry : pieces.entrySet()) {
            tmp.add(entry.getKey() + ":" + entry.getValue());
        }
        return join(tmp, glue);
    }
}

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Join an array of Strings together. : Array « Date Type « Android

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