java - How to run a JAR file - Stack Overflow
Dec 4, 2016 · 11 If you don`t want to create a manifest just to run the jar file, you can reference the main-class directly from the command line when you run the jar file. java -jar Predit.jar …
What is the Java ?: operator called and what does it do?
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 …
What does the ^ operator do in Java? - Stack Overflow
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.
What is the percent % operator in java? - Stack Overflow
Jul 16, 2021 · What is the percent % operator in java? Asked 8 years, 1 month ago Modified 3 years, 11 months ago Viewed 63k times
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, 3 months ago Modified 1 year ago Viewed 444k times
java - && (AND) and || (OR) in IF statements - Stack Overflow
An interesting fact is that Java also uses the & and | as logic operands (they are overloaded, with int types they are the expected bitwise operations) to evaluate all the terms in the expression, …
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 …
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 …
What is the difference between == and equals () in Java?
Nov 22, 2019 · 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 …
java - SSL and cert keystore - Stack Overflow
SSL properties are set at the JVM level via system properties. Meaning you can either set them when you run the program (java -D....) Or you can set them in code by doing …