摘要: toString()与new String ()用法区别 String str1=new String(Base64.decode(str)); String str2=Base64.decode(str).toString(); str.toString是调用了这个object对象的类的toStr 阅读全文
posted @ 2020-06-27 13:17 Money131 阅读(248) 评论(0) 推荐(0)
摘要: Exception in thread "main" java.security.InvalidKeyException: Wrong key size Exception in thread "main" java.security.InvalidKeyException: 6 length 。。 阅读全文
posted @ 2020-06-27 11:13 Money131 阅读(2887) 评论(0) 推荐(0)