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 does the ^ operator do in Java? - Stack Overflow
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 :- …
Setting JAVA_HOME environment variable in MS Windows
12 Set the JAVA_HOME Variable Windows 7 – Right click My Computer and select Properties > Advanced Windows 8 – Go to Control Panel > System > Advanced System Settings Windows …
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 …
java - How do I find where JDK is installed on my windows …
Jan 13, 2011 · I need to know where JDK is located on my machine. On running Java -version in cmd, it shows the version as '1.6.xx'. To find the location of this SDK on my machine I tried …
What is the difference between == and equals () in Java?
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:
java - How do I resolve ClassNotFoundException? - Stack Overflow
Sep 9, 2016 · I am trying to run a Java application, but getting this error: java.lang.ClassNotFoundException: After the colon comes the location of the class that is …
java - How to run a JAR file - Stack Overflow
Dec 4, 2016 · java -jar Predit.jar It raised "Failed to load main class" exceptions. So I extracted this JAR file:
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 …
Java Versions and Compatibility - Stack Overflow
Apr 10, 2023 · A Java Runtime Environment (JRE) is an implementation of the Java SE specifications, a complete Java platform, with all the software you need to execute an app …