修剪数组中的所有字符串元素

//package com.nowjava;

/**
来 自 时代Java - nowjava.com
**/

public class Main {

    public static void main(String[] argv) {

        String[] array = new String[] { "1", "abc", "level", null,

                "nowjava.com", "asdf 123" };

        System.out.println(java.util.Arrays.toString(trimAll(array)));

    }


    public static String[] trimAll(String[] array) {

        for (int