Java：如何向后打印此字符串？

Question

此方法允许我将字符串拆分为单词，但如何将其打印出来？例如字符串“这个问题很难”应该打印“hard is problem this this”

String str = "this problem is hard"
String[] arr = str.split(" ");    
for ( String ss : arr) {
  System.out.println(ss);
}

Answer 1

制作字符串后缀。例如，现在你拥有它String str = "this problem is hard"。取而代之的是：String str = "hard is problem this";这就是你需要做的全部。