Put printStackTrace() into a String: redirect the StackTrace to a String with a StringWriter/PrintWriter : Exceptions « Language Basics « Java






  1. Java
  2. Language Basics
  3. Exceptions

Put printStackTrace() into a String: redirect the StackTrace to a String with a StringWriter/PrintWriter

          

import java.io.PrintWriter;
import java.io.StringWriter;

public class Main {
  public static void main(String args[]) {
    try {
      throw new Exception("for no reason!");
    } catch (Exception e) {
      StringWriter sw = new StringWriter();
      PrintWriter pw = new PrintWriter(sw);
      e.printStackTrace(pw);
      System.out.println(sw.toString().toUpperCase());
    }
  }
}








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