9. Oracle Java
Oracle has the rights to Java, and its training and certification programs in one of the world’s most popular programming languages are oriented more toward administration than for developers, Global Knowledge said.
The certification covers creating command-line Java applications, creating a hierarchy of object types, manipulating collections, handling exceptions and taking advantage of new features such as lambda expressions and streams.
Java has been around since 1995 and is the foundation of Android device applications. There are 1 billion downloads of the platform every year and more than 3 billion mobile phones are running Java.
Oracle/Database certifications resulted in an average salary of $100,800 for the 99 survey respondents who hold it, according to Global Knowledge.