Not only in Java, this syntax is available within PHP, Objective-C too. In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs. It's a shortcut for an if-else statement, and is also known as a conditional operator. In Perl/PHP it works as:

Feb 7, 2013 · From Oracle's documentation: Note that the JVM uses more memory than just the heap. For example Java methods, thread stacks and native handles are allocated in memory separate from the heap, as well as JVM internal data structures.

Jan 2, 2010 · 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.

Dec 10, 2011 · Java has a class specifically for zip files and one even more specifically for Jar Files. java.util.jar.JarOutputStream java.util.jar.JarInputStream using those you could, on a command from the console, using a scanner set to system.in Scanner console = new Scanner(System.in); String input = console.nextLine(); then get all the components and write …

Mar 7, 2010 · I was just reading this line: The first thing the format() method does is load a Velocity template from the classpath named output.vm Please explain what was meant by classpath in this context, a...

Java has 5 different boolean compare operators: &, &&, |, ||, ^ & and && are "and" operators, | and || "or" operators, ^ is "xor" The single ones will check every parameter, regardless of the values, before checking the values of the parameters. The double ones will first check the left parameter and its value and if true (||) or false (&&) leave the second one untouched. Sound …

Aug 16, 2021 · How does my Java program know where my keystore containing the certificate is? Or alternatively: How do I tell my Java program where to look for the keystore? After specifying the keystore in some ...

Sep 23, 2008 · Many times, a Java app needs to connect to the Internet. The most common example happens when it is reading an XML file and needs to download its schema. I am behind a proxy server. How can I set ...

Sep 26, 2008 · I know there's some JAVA_OPTS to set to remotely debug a Java program. What are they and what do they mean ?

Apr 28, 2011 · The java.util.logging.Level documentation does a good job of defining when to use a log level and the target audience of that log level. Most of the confusion with java.util.logging is in the tracing methods.