Has the ConcurrentModificationException been thrown in you Java app? Here are four simple ways to fix the ConcurrentModificationException in your code.

Not sure what a try catch is? We explain how to use a try catch block in Java and how to write methods that throw exceptions.

Java exception handling with stack traces, exception chaining, try-with-resources, final re-throw, and StackWalker.

The bad aspects of Java exception handling include abuses such as using unchecked exceptions and catchall constructs. Both of these fall under the category of taking the easy way out.