如何从Java上的数组中调用随机字符串？

Question

String[] prompts = {"Describe to me in a sentence why this is a cool program.", 
                    "Describe to me in a sentence how your day was.", 
                    "Describe to me in a sentence what programming means to you.", 
                    "Describe to me in a sentence why food is neccessary for humans."};
System.out.println(prompts);

我想从数组中调用一个随机字符串，我应该如何报告它？

Answer 1

只需要在数组长度范围内随机生成一个索引

int i = new Random().nextInt(prompts.length);
System.out.println(prompts[i]);