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 …
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: …
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, 6 months ago Modified 1 year, 3 months ago Viewed 446k times
java - How to view and edit cacerts file? - Stack Overflow
2015年11月24日 · As far as the original question, you can use the keytool command to view and edit a keystore like cacerts. To view all keys in the keystore, use keytool -list: $ keytool -list …
What are the -Xms and -Xmx parameters when starting JVM?
2013年2月7日 · 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 …
java - && (AND) and || (OR) in IF statements - Stack Overflow
Java has 5 different boolean compare operators: &, &&, |, ||, ^ & and && are "and" operators, | and || "or" operators, ^ is "xor" The single ones will check every parameter, regardless of the …
What does the ^ operator do in Java? - Stack Overflow
2010年1月2日 · 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 :- …
in java what does the @ symbol mean? - Stack Overflow
2015年8月5日 · 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 …
What is the percent % operator in java? - Stack Overflow
2017年5月15日 · What is the percent % operator in java? Asked 8 years, 4 months ago Modified 4 years, 2 months ago Viewed 64k times
What is the difference between & and && in Java? - Stack Overflow
2011年4月9日 · 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 …