Simple Object.toString() on arrays is seldom what we want as it only prints the String representation of the array itself and not of its contents. Arrays.toString(Object[]) will print a String ...

Once you’ve got these basics, you’ll be ready to learn about searching and sorting with one-dimensional arrays, in Part 2. What is a data structure?

This free tutorial is a rundown of the basics of Java syntax, comments, variables, loops, arrays and more. You’ll be able to practice basic Java exercises and take quizzes to test your knowledge.