How to solve "IllegalStateException" : Exception in thread "main" java.lang.IllegalStateException: Method cannot be called at this time
Understanding IllegalStateException in Java: Causes and Fixes Table of Contents What is IllegalStateException in Java? Common Causes of IllegalStateException How to Fix IllegalStateException? Best Practices to Avoid IllegalStateException Example of IllegalStateException Frequently Asked Questions (FAQ) IllegalStateException is a common runtime exception that occurs in Java programs. This error typically signals that a method has been invoked at an illegal or inappropriate time, meaning the state of the object is not suitable for the requested operation. In this blog post, we'll dive deep into what causes an IllegalStateException in Java, how to fix it, and how to prevent it in your applications. What is IllegalStateException in Java? The IllegalStateException is a subclass of RuntimeException , which is an unchecked exception in Java. It occurs when the Java environment or application is not in an appropriate state for the method to be exe...