So there's a Collections interface that things like Vector and ArrayList actually implement ... When you create a HashMap, what the Java virtual machine does is it creates a single-dimensional array ...

JNA provides Java programs easy access to native shared libraries without writing anything but Java code - no JNI or native code is required. This functionality is comparable to Windows' ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

Many of you have already studied Pascal and just need to learn the syntax of Java. Pascal and Java, only distantly related, have many differences. This document attempts to summarize the differences.