If you attempt to insert the price field into MySQL without first converting the object from a Scala BigDecimal to a Java BigDecimal, you’ll get an exception that looks like this:[error] play - Cannot invoke the action, eventually got an error: java.lang.ClassCastException: scala.math....
import scala.jdk.CollectionConverters._ object myObject { def main(args: Array[String]): Unit = { val javaSet = new java.util.HashSet[Int]() javaSet.add(32) javaSet.add(100) javaSet.add(111) javaSet.add(100) val scalaString = javaSet.toString println("The string conversion of ...
Scala code to convert string to integer objectMyClass{defmain(args:Array[String]){valstring="1C 2C++ 3Java"println(string)valstringContents=string.split("\\d+")println("Content of the string are: ")for(i<-0to stringContents.length-1)println(stringContents(i))}} ...
As a quick note, I just got a little bit better about how to log stack traces when writing Java or Scala code. This tutorial shows the best way I know to log exceptions. I’ll useScalacode here, but it converts easily to Java. In Scala I used to get the text from a stack...
Convert your Java, Kotlin and Scala code into JavaScript, C++, D, C#, PHP, AS3, Dart and Haxe and run it everywhere. Also use JVM code in your favourite language as a library. - futurepaycc/jtransc
Understanding these methods will not only enhance your coding skills but also improve your ability to write clean and efficient Java code. As you continue to work with Java, keep these techniques in mind, and you’ll find that converting data types becomes second nature. FAQ What is the ...
java.lang.NoClassDefFoundError: scala/convert/convert/DecorateAsScala，但pom.xml中的scala-library将...
CHAPTER 23 Convert Your Codebase At this point, you're likely to have an existing Java codebase and may be wondering if you should try and convert the Java to Scala. It may be a lot of effort, but I say it's definitely worth investing in converting the entire codebase to Scala if ...
if (o != null) return JavaConverters.mapAsScalaMapConverter(o).asScala().toMap(Predef.<Tuple2<String, Object>>conforms());
我在Java测试中创建EmbeddedKafkCaluster,但得到以下异常,但我添加了kafka_2.12个依赖项,它们具有scala依赖项。 Java版本:11 添加了以下依赖项 <!--Kafka Embedded Cluster dependencies --> <dependency> <groupId>org.apache.kafka</groupId> <artifactId>kafka_2.12</artifactId> ...