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  1. 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, 8 months ago Modified 1 year, 5 months ago Viewed 448k times

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

    It's a ternary operator (in that it has three operands) and it happens to be the only ternary operator in Java at the moment. However, the spec is pretty clear that its name is the conditional …

  3. 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 :- …

  4. 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: …

  5. 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 …

  6. Java using "-cp" and "-jar" together - Stack Overflow

    Aug 21, 2012 · See the Jar tool reference page and the Jar trail of the Java Tutorial for information about working with Jar files and Jar-file mani- fests. When you use this option, the …

  7. 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, …

  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. java - "PKIX path building failed" and "unable to find valid ...

    Jan 12, 2014 · 138 After many hours trying to build cert files to get my Java 6 installation working with the new twitter cert's, I finally stumbled onto an incredibly simple solution buried in a …

  10. 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 …