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 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:
What is the difference between & and && in Java? - Stack Overflow
Apr 9, 2011 · I always thought that && operator in Java is used for verifying whether both its boolean operands are true, and the & operator is used to do Bit-wise operations …
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 :- …
double colon) operator in Java 8 - Stack Overflow
Nov 15, 2013 · The double colon, i.e., the :: operator, was introduced in Java 8 as a method reference. A method reference is a form of lambda expression which is used to reference the …
in java what does the @ symbol mean? - Stack Overflow
Aug 5, 2015 · The @ symbol denotes a Java Annotation. What a Java annotation does, is that it adds a special attribute to the variable, method, class, interface, or other language elements.
java - How to configure port for a Spring Boot application - Stack …
How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.
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 …
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 …