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java - SSL and cert keystore - Stack Overflow 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
java - Extracting . jar file with command line - Stack Overflow 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 them as a file JarEntry JE = null; while((JE
What are the -Xms and -Xmx parameters when starting JVM? The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory For example, starting a JVM like below will start it with 256 MB of memory and will allow the process to use up to 2048 MB
Java Versions and Compatibility - Stack Overflow Java 20 was fully ready for production use (Java 20 no longer receives updates a few months after the successive version 21 ships ) You said: What is the JDK to Java SE equivalence? Java SE is a set of specifications published by Oracle Corp Java (and Java SE) is a trademark owned by Oracle Corp Available for use only with permission by Oracle
java - (AND) and || (OR) in IF statements - Stack Overflow 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 compilcated? An
What is the difference between == and equals () in Java? 0 In Java, == and the equals method are used for different purposes when comparing objects Here's a brief explanation of the difference between them along with examples: == Operator: The == operator is used for reference comparison It checks whether two references point to the exact same object in memory Example: String str1 = new String
java - What is a classpath and how do I set it? - Stack Overflow 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