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 :- …

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 …

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 …

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 on …

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 …

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<Car>) …

The answer calls the behavior of Java's remainder operator % (truncating towards zero) truncated modulo. It also lists a third variant, floored modulo, where the quotient is rounded towards …

13 Set the JAVA_HOME Variable Windows 7 – Right click My Computer and select Properties > Advanced Windows 8 – Go to Control Panel > System > Advanced System Settings Windows 10 …

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 values, …

2008年9月26日 · I know there's some JAVA_OPTS to set to remotely debug a Java program. What are they and what do they mean ?