Example of two different implementations to check some condition before running some code

ExceptionToCheckconditions

package com.toursgds.transport.protocol;

import org.apache.commons.lang3.time.StopWatch;

public class TestException {

    private static class ObfuscationNotSetUpException extends RuntimeException {}

    boolean configured = false;
    
    private InternalClass internalThing = new InternalClass();
    
    public void setupObfuscation() {
        if (!configured) {
            throw new ObfuscationNotSetUpException();
        }
    }
    
    
    private class InternalClass {
        public void doSomethingWithOuterClass() {
            try {
                setupObfuscation();
            } catch (ObfuscationNotSetUpException e) {
                if (configured) {
                    throw new IllegalStateException();
                }
            }
        }
        
        public void doSomethingConditionallyWithOuterClass() {
            if (configured) {
                try {
                    setupObfuscation();
                } catch (ObfuscationNotSetUpException e) {
                    throw new IllegalStateException();
                }
            }
        }
    }
    
    
    public static void main(String[] args) {
        
        TestException testException = new TestException();
        testException.internalThing.doSomethingWithOuterClass();
        
        StopWatch sw = new StopWatch();
        sw.start();
        for (int i = 0; i < 10_000_000; i++) {
            testException.internalThing.doSomethingWithOuterClass();
        }
        sw.stop();
        
        System.out.println(sw.getTime());
        
        
        sw.reset();
        sw.start();
        for (int i = 0; i < 10_000_000; i++) {
            testException.internalThing.doSomethingConditionallyWithOuterClass();
        }
        sw.stop();
        
        System.out.println(sw.getTime());
        
    }
    
}