Java.lang.Throwable.printStackTrace() Method

Description

The java.lang.Throwable.printStackTrace(PrintWriter s) method prints this throwable and its backtrace to the specified print writer.

Declaration

Following is the declaration for java.lang.Throwable.printStackTrace() method

public void printStackTrace(PrintWriter s)

Parameters

• s -- This is the PrintWriter to use for output.

Return Value

This method does not return any value.

Exception

• NA

Example

The following example shows the usage of java.lang.Throwable.printStackTrace() method.

package com.tutorialspoint;

import java.lang.*;
import java.io.*;

public class ThrowableDemo {

   public static void main(String[] args) {

      Throwable t = new IllegalArgumentException("ABCD");
      System.out.println(getStackTrace(t));  
   }
 
   public static String getStackTrace(Throwable t) {
  
      /* prints this throwable and its backtrace to the specified
      print writer. */
      Writer wr = new StringWriter();
      PrintWriter pWriter = new PrintWriter(wr);
      t.printStackTrace(pWriter);
      return wr.toString();
  }
}

Let us compile and run the above program, this will produce the following result:

ava.lang.IllegalArgumentException: ABCD
at ThrowableDemo.main(ThrowableDemo.java:6)