# Java - `StackTrace`到`String`的转换 > 原文： [https://beginnersbook.com/2015/05/java-stacktrace-to-string-conversion/](https://beginnersbook.com/2015/05/java-stacktrace-to-string-conversion/) 有时我们想**将发生的异常转换为`String`**。在下面的程序中，我们使用`Throwable.printStackTrace(PrintWriter pw)`将`stacktrace`转换为`String`。 ## 示例：将`Exception StackTrace`转换为`String` ```java package com.beginnersbook.string; import java.io.PrintWriter; import java.io.StringWriter; public class StacktraceToString {     public static void main(String args[]){         try{             int i =5/0;             System.out.println(i);         }catch(ArithmeticException e){             /* This block of code would convert the              * stacktrace to string by using              * Throwable.printStackTrace(PrintWriter pw)              * which sends the stacktrace to the writer              * that we can convert to string using tostring()              */             StringWriter sw = new StringWriter();             PrintWriter pw = new PrintWriter(sw);             e.printStackTrace(pw);             String stacktraceString = sw.toString();             System.out.println("String is: "+stacktraceString);         }     } } ``` **输出：** ```java String is: java.lang.ArithmeticException: / by zero at com.beginnersbook.string.StacktraceToString.main(StacktraceToString.java:8) ```