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 …
in java what does the @ symbol mean? - Stack Overflow
Aug 5, 2015 · 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 does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · 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 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: …
java - What is a Question Mark "?" and Colon - Stack Overflow
Apr 26, 2012 · 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, …
Setting JAVA_HOME environment variable in MS Windows
JAVA_HOME if you installed the JDK (Java Development Kit) or JRE_HOME if you installed the JRE (Java Runtime Environment). In the Variable Value field, enter your JDK or JRE …
Java using "-cp" and "-jar" together - Stack Overflow
Aug 21, 2012 · See the Jar tool reference page and the Jar trail of the Java Tutorial for information about working with Jar files and Jar-file mani- fests. When you use this option, the …
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.
What does the arrow operator, '->', 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<Car>) …
How to import a .cer certificate into a java keystore?
During the development of a Java webservice client I ran into a problem. Authentication for the webservice is using a client certificate, a username and a password. The client certificate I …