Java Throwable getStackTrace() method

The getStackTrace() method of Java Throwable class is used to return an array of StackTraceElement given by printStackTrace() method. Some virtual machines may omit one or more frames from the stack trace.

Syntax

Return

An array of StackTraceElement as given by printStackTrace.

Example 1

public class ThrowableGetStackTraceExample1 {
    public static void main(String[] args) {
   try{
       int i=10/0;
   }catch(Exception e){
       StackTraceElement[] trace = e.getStackTrace();
       System.err.println(trace[0].toString());
       System.out.println(trace[0].getClass());
       System.out.println(trace[0].getMethodName());
       System.out.println(trace[0].getFileName());
       System.out.println(trace[0].getLineNumber());
   }
}
}

Test it Now

Output:

class java.lang.StackTraceElement
main
ThrowableGetStackTraceExample1.java
ThrowableGetStackTraceExample1.main(ThrowableGetStackTraceExample1.java:4)
4

Example 2

import java.lang.Throwable;
public class ThrowableGetStackTraceExample2 {
  public static void function1() throws Exception{
      throw new Exception();
  }
  public static void function2() throws Throwable{
      try{
          function1();
      }catch(Exception e){
        throw e.fillInStackTrace();
      }
  }
  public static void main(String[] args) throws Throwable {
   try{
       function2();
   }catch(Exception e){
       System.err.println("Caught inside Main:");
       StackTraceElement[] trace = e.getStackTrace();
       System.err.println(trace[0].toString());
       System.err.println(trace[1].toString());
    }
}
}

Test it Now

Output:

Caught inside Main:
ThrowableGetStackTraceExample2.function2(ThrowableGetStackTraceExample2.java:10)
ThrowableGetStackTraceExample2.main(ThrowableGetStackTraceExample2.java:15)

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