NullPointerException
is a run-time exception which is not recommended to catch it, but instead avoid it:
if(someVariable != null) someVariable.doSomething();
else
{
// do something else
}
More Related Contents:
- Android, NullPointerException
- What is a NullPointerException, and how do I fix it?
- Why is my Spring @Autowired field null?
- NullPointerException accessing views in onCreate()
- Which @NotNull Java annotation should I use?
- Returning null as an int permitted with ternary operator but not if statement
- NullPointerException in Java with no StackTrace
- java.lang.NullPointerException is thrown using a method-reference but not a lambda expression
- Error invoke virtual method ‘double android.location.Location.getLatitude()’ on a null object reference
- JavaFX Location is not set error message [duplicate]
- Filter values only if not null using lambda in Java8
- Why does int num = Integer.getInteger(“123”) throw NullPointerException?
- How do you tell if a checkbox is selected in Selenium for Java?
- Android: Pass data(extras) to a fragment
- Why static fields are not initialized in time?
- When is it OK to catch NullPointerException?
- Why does null reference print as “null”
- Why should one use Objects.requireNonNull()?
- Java conditional operator ?: result type
- JPA/Hibernate Static Metamodel Attributes not Populated — NullPointerException
- Apache POI – FileInputStream works, File object fails (NullPointerException)
- Spring Boot – Environment @Autowired throws NullPointerException
- Why can I throw null in Java? [duplicate]
- java.lang.NullPointerException: Attempt to invoke virtual method on a null object reference [duplicate]
- Is Catching a Null Pointer Exception a Code Smell?
- NullPointerException stack trace not available without debug agent
- Gracefully avoiding NullPointerException in Java
- Attempt to invoke virtual method ‘void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)’ on a null object reference
- How to trace a NullPointerException in a chain of getters
- Why ternary operation gives nullpointer while its ifelse counterpart doesn’t? [duplicate]