getAt()

Understanding and Resolving java.lang.NullPointerException: Cannot Invoke Method getAt() on Null Object Are you wrestling with the dreaded `java.lang.NullPointerException: Cannot invoke method getAt() on null object` in your Java or Groovy code? This error, often encountered when working with collections or data structures, indicates you’re trying to call the `getAt()` method on a variable that currently … Read more