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
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：
String is: java.lang.ArithmeticException: / by zeroat com.beginnersbook.string.StacktraceToString.main(StacktraceToString.java:8)
