Previously working groupArray functions now display arrays with the error: "Can't resolve array data type Array (String)". Any arryas in datasets have same issue ...

A look at some of the best database and RDBMS tools for Java software developers. Learn more about Java and database programming.

We cover some of the most popular big data tools for Java developers. Discover the best big data tools and what to look for.

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

The Java array size is set permanently when the array is initialized. The size or length count of an array in Java includes both null and non-null characters. Unlike the String and ArrayList, Java ...

JDBC (Java Database Connectivity) is the Java API that manages connecting to a database, issuing queries and commands, and handling result sets obtained from the database.

The Eclipse Java debugger uses an indented list to view arrays at runtime. This visualization provides limited insight into the array. Also, it is cumbersome and time-consuming to search for certain ...

This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.