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  1. What is the Java ?: operator called and what does it do?

    In particular, if Java ever gets another ternary operator, people who use the term "conditional operator" will still be correct and unambiguous - unlike those who just say "ternary operator".

  2. in java what does the @ symbol mean? - Stack Overflow

    Aug 5, 2015 · In Java Persistence API you use them to map a Java class with database tables. For example @Table () Used to map the particular Java class to the date base table. @Entity …

  3. 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: …

  4. What does the arrow operator, '->', do in Java? - Stack Overflow

    That's part of the syntax of the new lambda expressions, to be introduced in Java 8. There are a couple of online tutorials to get the hang of it, here's a link to one. Basically, the -> separates …

  5. What is the point of the diamond operator (<>) in Java?

    The diamond operator in java 7 allows code like the following: List<String> list = new LinkedList<>(); However in Java 5/6, I can simply write: List<String> list = new LinkedList(); …

  6. 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.

  7. java - What is a Question Mark "?" and Colon - Stack Overflow

    Apr 26, 2012 · The Java jargon uses the expression method, not functions - in other contexts there is the distinction of function and procedure, dependent on the existence of a return type, …

  8. 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.

  9. Setting JAVA_HOME environment variable in MS Windows

    JAVA_HOME and PATH are different, I didn't say point JAVA_HOME to the jre/bin directory. Try making sure that the PATH environment variable includes the jre/bin directory. For example, …

  10. java - Setting active profile and config location from command …

    Jun 25, 2015 · I was running it from eclipse and not command line till now. But I tried running from using "gradle bootRun -Dspring.config.location=C:\Config\ -Dspring.profiles.active=staging" …