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.

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

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.

Use Java assertions to test your assumptions about program correctness and check them in your code.