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  1. 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 :- To use your …

  2. 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:

  3. 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 operation …

  4. 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 on two integer …

  5. 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 …

  6. 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, type java from …

  7. What are the -Xms and -Xmx parameters when starting JVM?

    Feb 7, 2013 · From Oracle's documentation: Note that the JVM uses more memory than just the heap. For example Java methods, thread stacks and native handles are allocated in memory separate from …

  8. What does Java option -Xmx stand for? - Stack Overflow

    java -Xmx1024m filename what does -Xmx mean?see here: Java Tool Doc, it says, -Xmxn Specify the maximum size, in bytes, of the memory allocation pool. This value must a multiple of 1024 greater …

  9. 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 written in a JVM …

  10. What is the percent % operator in java? - Stack Overflow

    May 15, 2017 · What is the percent % operator in java? Asked 8 years, 6 months ago Modified 4 years, 4 months ago Viewed 64k times