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Java StackTraceElement getClassName() method with example

StackTraceElement Class getClassName() method: Here, we are going to learn about the getClassName() method of StackTraceElement Class with its syntax and example.
Submitted by Preeti Jain, on December 24, 2019

StackTraceElement Class getClassName() method

• getClassName() method is available in java.lang package.
• getClassName() method is used to retrieve the fully qualified name of the class that contains the execution point denoted by this element.
• getClassName() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
• getClassName() method does not throw an exception at the time of returning class name.

Syntax:

    public String getClassName();

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of this method is String – it returns the fully qualified name of the class that contains the starting point denoted by this element.

Example:

// Java program to demonstrate the example 
// of String getClassName() method of StackTraceElement 

import java.io.*;
import java.util.*;

public class GetClassName {
    public static void main(String args[]) {
        System.out.println("Class name of all threads included :");
        for (int k = 0; k < 2; ++k) {
            // Display class name 
            System.out.println(Thread.currentThread().getStackTrace()[k].getClassName());
        }
    }
}

Output

Class name of all threads included :
java.lang.Thread
GetClassName