Community driven content discussing all aspects of software development from DevOps to design patterns. The Java String printf method can be confusing at first, but it greatly simplifies how you ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Follow these steps to find the length of a String in Java: Declare a variable of type String ...

Java 21 brought significant innovations for concurrent programming in Project Loom. Two of these still have preview status in JDK 23. Loom means loom, i.e. the tool for weaving the threads together to ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

I upgraded 0.4.4 to 0.6.10 and release new version of the app. While I don't have any issue, I see this crash report from users: java.lang.NullPointerException: Attempt to invoke virtual method ...

PlatformException: PlatformException(error, Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference, null) File "message_codecs.dart", line 551, ...