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- What does the ^ operator do in Java? - Stack Overflow
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 example: The binary representation of 5 is 0101 The binary representation of 4 is 0100
- What are the -Xms and -Xmx parameters when starting JVM?
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 the heap, as well as JVM internal data structures
- 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 operating on 3 inputs It's a shortcut for an if-else statement, and is also known as a conditional operator In Perl PHP it works as:
- in java what does the @ symbol mean? - Stack Overflow
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 Represents that the class is an entity class Similarly you can use many annotations to map individual columns, generate ids, generate version, relationships etc
- What is the difference between and in Java? - Stack Overflow
I always thought that amp; amp; operator in Java is used for verifying whether both its boolean operands are true, and the amp; operator is used to do Bit-wise operations on two integer types
- What is the difference between == and equals () in Java?
Since java lang String class override equals method, It return true if two String object contains same content but == will only return true if two references are pointing to same object Here is an example of comparing two Strings in Java for equality using == and equals() method which will clear some doubts:
- What is the percent % operator in java? - Stack Overflow
What is the percent % operator in java? Asked 8 years, 7 months ago Modified 4 years, 5 months ago Viewed 64k times
- What does the arrow operator, - gt;, do in Java? - Stack Overflow
While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator return (Collection lt;Car gt;) CollectionUtils select(list
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