What are the -Xms and -Xmx parameters when starting JVM?
Feb 7, 2013 · 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 …
What is the percent % operator in java? - Stack Overflow
May 15, 2017 · What is the percent % operator in java? Asked 8 years, 2 months ago Modified 4 years ago Viewed 64k times
java - Extracting .jar file with command line - Stack Overflow
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 …
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 …
How do the post increment (i++) and pre increment (++i) …
How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 5 months ago Modified 1 year, 2 months ago Viewed 445k times
java - SSL and cert keystore - Stack Overflow
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 …
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: …
java - How do I set the proxy to be used by the JVM - Stack Overflow
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 …
java - What is a classpath and how do I set it? - Stack Overflow
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 …
Setting the default Java character encoding - Stack Overflow
java -Dfile.encoding=UTF-8 … com.x.Main Charset.defaultCharset() will reflect changes to the file.encoding property, but most of the code in the core Java libraries that need to determine …