写一个Java应用程序，判断两个字符串是否相同，判断字符串的前缀、后缀是否和某个字符串相同，按字典顺序比较两个字符串的大小关系，检索字符串，创建字符串，将数字型字符串转换为数字，将字符串存放到数组中，用字符数组创建字符串-Write a Java application to determine whether two strings are the same judgment string prefix, suffix and a string compare two strings lexicographically size relationship, retrieve the strings to create a string, converted to a digital numeric string, the string stored in the array, create a string array of characters. .