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, 4 months ago Viewed 446k times
What is the Java ?: operator called and what does it do?
It's a ternary operator (in that it has three operands) and it happens to be the only ternary operator in Java at the moment. However, the spec is pretty clear that its name is the conditional …
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 :- …
What does the "+=" operator do in Java? - Stack Overflow
2011年9月17日 · In java the default type of numbers like 2 or -2 (without a fractional component) is int and unlike c# that's not an object and we can't do sth like 2.tostring as in c# and the …
java - What is a Question Mark "?" and Colon - Stack Overflow
2012年4月26日 · The Java jargon uses the expression method, not functions - in other contexts there is the distinction of function and procedure, dependent on the existence of a return type, …
java - How to configure port for a Spring Boot application - Stack …
How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.
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 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: …
What are the -Xms and -Xmx parameters when starting JVM?
2013年2月7日 · 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 …