Jan 2, 2010 · 7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form. ex :- To use your …

Many programming languages that use C-like syntax feature a ternary operator, ?: , which defines a conditional expression. Not only in Java, this syntax is available within PHP, Objective-C too. In the …

May 8, 2010 · 2143 Use of java.net.URLConnection is asked about pretty often here, and the Oracle tutorial is too concise about it. That tutorial basically only shows how to fire a GET request and read …

Dec 28, 2011 · java.lang does not contain a class called StringUtils. Several third-party libs do, such as Apache Commons Lang or the Spring framework. Make sure you have the relevant jar in your project …

May 2, 2011 · Sometimes I see API's using long or Long or int or Integer, and I can't figure how the decision is made for that? When should I choose what?

Sep 19, 2023 · I needed to update Intellij version to 2023.2.2 and change Language level (File -> Project structure -> project -> language level) to 21 (preview) The new language level won't show up until …

I am installing Apache Solr on Linux Debian (Squeeze). I have been instructed to install sun-java jdk 1st. Then am told that I should use the command sudo update-alternatives --config java to make ...

Apr 1, 2020 · Plugins: Sometimes, Java or Kotlin code is already bundled into handy packages called "plugins" that you can plug into your Flutter app to do cool things. Important: Use Flutter and Dart as …

Mar 6, 2017 · I am wondering when to use static methods? Say if I have a class with a few getters and setters, a method or two, and I want those methods only to be invokable on an instance object of the …

This answer is an attempt to address: how to control java version system-wide (not just in currently running shell) when several versions of JDK are installed for development purposes on macOS El …