returning null in java

For example, if I were to define a method in Java that returned a Collectio...

For example, if I were to define a method in Java that returned a Collection I would typically prefer to return an empty collection (i.e. Collections.

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In Java, a null value can be assigned to an object reference of any type Wr...

In Java, a null value can be assigned to an object reference of any type Writing methods that return null forces the calling code to be littered.

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I'd advise against returning an empty object in almost any case. By no...

I'd advise against returning an empty object in almost any case. By not returning null, you'll probably misled the API client into thinking the call.

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Hi all, I am reviewing the code and found that method returns null in the b...

Hi all, I am reviewing the code and found that method returns null in the below code. Please think as per [B]code review[/B]. Is it valid to return.

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The best way to get rid of null-checks is to get rid of nulls in your appli...

The best way to get rid of null-checks is to get rid of nulls in your applicaties. Just don't return a null in all of the methods! This sounds very.

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It is considered a best practice to NEVER return null when returning a Java...

It is considered a best practice to NEVER return null when returning a Java 2nd edition; by Joshua Bloch; page Item Return empty.

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Learn how to find out all null-returning getters using Java 8 and the Intro...

Learn how to find out all null-returning getters using Java 8 and the Introspector class.

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The Java language allows a great deal of flexibility in the ways in which i...

The Java language allows a great deal of flexibility in the ways in which it is used, but some of these uses can lead to obscure techniques and.

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A simple example of NULL usage in Java: public Employee getByName(String na...

A simple example of NULL usage in Java: public Employee getByName(String name) { int id = dwn.220.v.ua(name); if (id == 0) { return null; }.

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checkValidObjectForDetach(dwn.220.v.ua) .. bmeike changed the title from ha...

checkValidObjectForDetach(dwn.220.v.ua) .. bmeike changed the title from have data but FindFirst return null to have.

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When catching a NullPointerException in Java the StackTrace doesn't le...

When catching a NullPointerException in Java the StackTrace doesn't lead you to If you can't avoid to return null choose a method name that makes this clear.

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When I started programming in Java, I considered the null value my enemy an...

When I started programming in Java, I considered the null value my enemy and I . Before Java 8 it was common that a method would return null in case of a.

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K has anyone seen if this works, because it fails for me with the same stup...

K has anyone seen if this works, because it fails for me with the same stupid error: How is MX a "java app" and it can't handle a "java null"? Now it could be.

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“I call it my billion-dollar mistake. My goal was to ensure that all use of...

“I call it my billion-dollar mistake. My goal was to ensure that all use of references should be absolutely safe, with checking performed.

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Java: make your DAO returning null-safe values with Spring AOP. Aspect-orie...

Java: make your DAO returning null-safe values with Spring AOP. Aspect-oriented programming (AOP) helps us to remove code repetition and.

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