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- 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: The == operator is used for reference comparison It checks whether two references point to the exact same object in memory Example: String str1 = new String
- 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:
- What is the percent % operator in java? - Stack Overflow
What is the percent % operator in java? Asked 8 years, 2 months ago Modified 4 years ago Viewed 64k times
- How do the post increment (i++) and pre increment (++i) operators work . . .
How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 5 months ago Modified 1 year, 2 months ago Viewed 445k times
- java - (AND) and || (OR) in IF statements - Stack Overflow
An interesting fact is that Java also uses the and | as logic operands (they are overloaded, with int types they are the expected bitwise operations) to evaluate all the terms in the expression, which is also useful when you need the side-effects
- 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 are the -Xms and -Xmx parameters when starting JVM?
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 JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory
- 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
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