Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

How to find the size of a Java array? To find the size or length of a Java array, follow these four steps Declare a variable of type array. Initialize the Java array to a non-null value. Use the ...

java.lang.StringIndexOutOfBoundsException: begin 1, end 0, length 0 at java.base/java.lang.String.checkBoundsBeginEnd(String.java:4606) at java.base/java.lang.String ...

Kotlin offers big advantages over Java for JVM and Android development, and plays nicely with Java in the same projects. Kotlin is a general purpose, free, open source, statically typed “pragmatic” ...

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.length()' on a null object reference at pl.mobiltek ...

August 11, 2016, 6:29 PM · Hi, Emily. Do you know your key signatures? Noo..I always get confused, and besides the circle of fifths scares me. It’s so big and complicated. Yes, I understand why you ...

DateTimeFormatter class in Java 8 can be used for both of these purposes. Below methods try to provide the solution to these issues.