5. 重新运行代码 最后,我们只需重新运行包含Excel解析代码的应用程序,以验证是否成功解决了ExcelDataConvertException异常。 流程图 下面是使用mermaid语法绘制的流程图,展示了解决ExcelDataConvertException异常的整个流程: 确定异常的原因检查Excel文件中的数据类型提供适当的转换器注册转换器重新运行代码 总结 通过以上步骤和...
The following Java program copies the stack trace to a string. StringerrorStr=ExceptionUtils.getStackTrace(newNullPointerException("Custom error"));System.out.println(errorStr); Program output. java.lang.NullPointerException:Custom erroratcom.howtodoinjava.demo.StringExample.main(StringExample.java:11...
StringstringObject="123.45";BigDecimalbigDecimalObject=newBigDecimal(stringObject);System.out.println(bigDecimalObject); and output: Exceptionin thread"main"java.lang.NumberFormatException The fix is that BigDecimal will convert the string which contains numbers only. Try to avoid the String with non-num...
toType - 変換先の型 戻り値: 変換命令 of static ConvertInstructionPREVIEW of(OpcodePREVIEW op) 変換命令を返します。 パラメータ: op - 特定のタイプの変換命令のopcode。Opcode.Kind.CONVERTPREVIEW型である必要があります 戻り値: 変換命令 例外: IllegalArgumentException - opcodeの種類がOpcode...
{ /** * Convert the result of Exception.getStackTrace to a String * @param trace * @return */ public static String StackTraceToString(Exception ex) { String result = ex.toString() + "\n"; StackTraceElement[] trace = ex.getStackTrace(); for (int i=0;i<trace.length;i++) { result...
.Collection; import java.util.Iterator; import java.util.Properties; import java.util.StringTokenizer; import java.util.jar.JarFile; /** * Utilities for String manipulation. * * @version $Revision: 1.23 $ **/ public class StringUtils { /** * Convert an exception to a String with full ...
com.alibaba.excel.exception.ExcelAnalysisException:com.alibaba.excel.exception.ExcelDataConvertException:Convertdata-2789toclassjava.lang.Stringerror at com.alibaba.excel.analysis.v07.XlsxSaxAnalyser.parseXmlSource(XlsxSaxAnalyser.java:183)at com.alibaba.excel.analysis.v07.XlsxSaxAnalyser.execute(XlsxSaxAnaly...
import java.util.Date; public class User { private String username; private String password; private Date birthday; public String getUsername() { return username; } public void setUsername(String username) { this.username = username; }
Stringstr1=newDecimalFormat("#").format(l);Stringstr2=newDecimalFormat("#").format(obj); Be careful becauseifobjisnull, we'll get anIllegalArgumentException. 9. Conclusion In summary, we've learned different ways toconvertLongtoStringin Java. It's up to us to choose which method to use...
Failed to convert from type [java.lang.String] to type [long] for value 'null'; nested exception is java.lang.IllegalArgumentException: A null value cannot be a...