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What is the Thread.countStackFrames() function in Java?

Salman Yousaf

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

The countStackFrames() method is deprecated in the new versions of Java. The definition of this function is dependent upon the suspend() method which is deprecated. Therefore, this method can never be defined properly.

The Thread.countStackFrames() method helps to count the number of stack frames in a thread.

Syntax


Thread.countStackFrames()

Parameters

It does not take any argument value.

Return value

It returns the stack frames count of the thread.

Code example

Here is an example regarding Thread.countStackFrames(). It helps to count the number of stack frames in the current thread.

public class Edpresso {
// method to return stack frame count
public static int count_st()
{
return Thread.currentThread().countStackFrames();
}
public static void main(String args[])
{
Edpresso object = new Edpresso();
System.out.println("main method called");
System.out.println(object.count_st());
}
}

As this function is from a deprecated API, it cannot be run on the latest version of Java.

Explanation

  • Line 4: This line will return the stack frames count of the current thread.
  • Line 9: The count_st() method will check the count of the main thread frames.

RELATED TAGS

java programming
communitycreator

Grokking Modern System Design Interview for Engineers & Managers

Ace your System Design Interview and take your career to the next level. Learn to handle the design of applications like Netflix, Quora, Facebook, Uber, and many more in a 45-min interview. Learn the RESHADED framework for architecting web-scale applications by determining requirements, constraints, and assumptions before diving into a step-by-step design process.

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