String phone = "13123456789"; String phoneNumber= phone.replaceAll("(\\d{3})\\d{4}(\\d{4})","$1***$2"); 4、判断字符是否是数字的四种方法 //1、用JAVA自带的函数publicstaticboolean isNumeric(String str){for(inti = str.length(); --i>=0; ){if(!Character.isDigit(str.charAt(i)...
Java定义了4个标准的meta-anotition类型,用来对其他的注解类型进行说明 这个包都位于 java.lang.anotition包下 @Target: 用于描述注解的使用范围,被描述的注解可以用在什么地方 ANNOTATION_TYPE注解类型声明 CONSTRUCTOR构造函数声明 字段字段声明(包括枚举常数) LOCAL_VARIABLE局部变量声明 METHOD方法声明 PACKAGE包装声明...
Is there any type of mechanical engine failure that would inhibit a helicopter from making an autorotation? Lisa's future travel plan Is there a sizeable difference in the number of polling locations opened for early in-person voting vs election day in the US (for 2024)? Is...
import java.io.InputStream import com.amazonaws.services.lambda.runtime.{Context, RequestHandler} import com.fasterxml.jackson.databind case class MyClass(a: String, b: String) class MyHandler extends RequestHandler[InputStream, Boolean] { val scalaMapper: databind.ObjectMapper ...
(MyTestSplitStream.scala)Caused by: java.lang.NumberFormatException: Not a version: 9 at scala.util.PropertiesTrait$class.parts$1(Properties.scala:184) at scala.util.PropertiesTrait$class.isJavaAtLeast(Properties.scala:187) at scala.util.Properties$.isJavaAtLeast(Properties.scala:17) at scala....
org.apache.flink.runtime.JobException: Recovery is suppressed by FixedDelayRestartBackoffTimeStrategy(maxNumberRestartAttempts=3, backoffTimeMS=5000) at org.apache.flink.runtime.executiongraph.failover.flip1.ExecutionFailureHandler.handleFailure(ExecutionFailureHandler.java:139) ...
java.io.FileNotFoundException: /home/nacos/example.txt (No such file or directory) 1. 异常解释 上述异常信息中包含了"java.io.FileNotFoundException"这个异常类型。这个异常表示程序在尝试打开一个文件时,发现文件不存在。这可能是由于以下原因导致的: ...
在进行网络通信时,使用Apache HttpClient是Java开发人员的常见选择之一。然而,有时候我们可能会遇到一个很常见的异常:org.apache.http.client.ClientProtocolException: URI does not specify a valid host name。这个异常通常在执行HTTP请求时出现,可能导致请求失败和应用程序崩溃。本文将深入探讨这个异常的原因,并从设计和...
简介:Flink V1.13.1 +Scala 2.11.8 提交任务后,报错Caused by: org.apache.flink.shaded.guava18.com.google.common.util.concurrent.UncheckedExecutionException: java.lang.NumberFormatException: Not a version: 9 ,遂排查与解决。 一.引言 Flink V1.13.1 + Scala 2.11.8 提交任务后,报错 Caused by: org...
I created a small project with two unit tests, one using NumberInput.parseBigDecimal from jackson-core which is running fine as well as test which is deserializing the same value from a json input. @Test public void shouldDeserializeBigDecimalFromJacksonCore() { BigDecimal actualFromJacksonCore =...