IllegalArgumentException

Definition

An IllegalArgumentException is an exception that occurs when a method receives an argument that is inappropriate or invalid for its intended purpose. It usually indicates that there was an error in how arguments were passed into a method.

Related terms

NullPointerException:

This is an exception that occurs when you try to use/access an object reference that points to null (no object). It's like trying to use an empty box without putting anything inside.

IndexOutOfBoundsException:

This exception occurs when you try to access elements outside the valid range of indexes in arrays or collections. It's similar to trying to reach for something beyond the boundaries of your reach.

ArrayIndexOutOfBoundsException:

This is a specific type of IndexOutOfBoundsException that occurs when you try to access an array element with an index that is outside the valid range of indexes for that array.