Java Runtime JRE and the Java development kit JDK are two separate things. If you want to check the version of the Java compiler used within your local JDK use javac -version.

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 …

Since you have not yet said what to point to, Java sets it to null. In the second line, the new keyword is used to instantiate (or create) an object of type Integer, and the reference variable …

Jan 13, 2011 · I need to know where JDK is located on my machine. On running Java -version in cmd, it shows the version as '1.6.xx'. To find the location of this SDK on my machine I tried …

Step 5: Enter the Variable name as JAVA_HOME and the value to your jdk bin path ie c:\Programfiles\Java\jdk-1.6\bin and NOTE Make sure u start with .; in the Value so that it …

JAVA_HOME and PATH are different, I didn't say point JAVA_HOME to the jre/bin directory. Try making sure that the PATH environment variable includes the jre/bin directory. For example, …

Java 9 added a series of Map.of static methods to do just what you want: Instantiate an immutable Map using literal syntax. The map (a collection of entries) is immutable, so you cannot add or …

Jan 12, 2014 · 138 After many hours trying to build cert files to get my Java 6 installation working with the new twitter cert's, I finally stumbled onto an incredibly simple solution buried in a …

I'm currently using jackson 2.1.4 and I'm having some trouble ignoring fields when I'm converting an object to a JSON string. Here's my class which acts as the object to be converted: public class

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>) …