What is NullPointerException ? What causes them and how to avoid them? Java

December 5, 2024December 11, 2024 Editorial StaffLeave a Comment

In this sneppet you will learn what is NullPointerException?, what causes them ? and how to avoid it ? What is NullPointerException ? A NullPointerException (NPE) is a runtime exception in Java that occurs whenever an application tries to use… Read More!

Arrays.sort(), compareTo NullPointerException

November 13, 2018August 6, 2024 Editorial Staff

Are you getting NullPointerException while using Arrays.sort() and Comparable and don’t know exactly where is the problem in your code ? Solution You may get this exception when you miss any element or something is null. Check the following example,… Read More!