目錄
打印list1、
List<String> list = Lists.newArrayList("小名","小花","小剛");
String toString = list.toString();
System.out.println(toString);
結果是:
打印list2、
List<String> list = Lists.newArrayList("小名","小花","小剛");
String join = StringUtils.join(list.toArray(),", ");
System.out.println(join);
打印結果:
","這個是分隔符,可以自定義
List<String> collect;
StringUtils.join(collect.toArray(),",")