Hackaday

Optimizing Software With Zero-Copy And Other Techniques

An important aspect in software engineering is the ability to distinguish between premature, unnecessary, and necessary ...
TheServerSide

Java Scanner String input example

Community driven content discussing all aspects of software development from DevOps to design patterns. Notice how the output includes only the first String the Java Scanner read. The rest of the text ...
InfoWorld

String comparisons in Java

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 ...
GitHub

Firebase Error: Attempt to invoke virtual method 'java.lang.String java.lang.String.to LowerCase()'on a null object reference

I am having this problem in my app made from kodular. I google it and also search in respective community but i cannot find suitable solution please help me to solve it. Whenever the chat screen ...
GitHub

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase(java.util.Locale)' on a null object reference

java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.toLowerCase (java.util.Locale)' on a null object reference #7772 Closed AkashRatanpara opened on Apr ...