Collections in Java: Arrays & Non-parameterized ArrayLists

Java SE 15    |    Beginner
  • 9 videos | 1h 17m 9s
  • Includes Assessment
  • Earns a Badge
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The Java collections framework is a set of classes and interfaces that implement commonly reusable collection data structures. Though not part of the Java collection framework, arrays allow you to store multiple elements. They are incredibly useful, albeit with significant drawbacks, when used as collection containers. Use this course to practice working with arrays and collections. Start by storing data in an ordered form using arrays. Through this, explore the drawbacks of arrays. Next, examine multi-dimensional arrays and jagged arrays. Finally, create and use the non-parameterized array list to store elements. When you're finished with this course, you'll have a good understanding of how arrays work, their drawbacks, and how the use of collections can overcome many of the limitations of working with arrays.


  • discover the key concepts covered in this course
    create and add data to arrays of different types
    examine the fixed-length enforcement of arrays
    iterate over the values in arrays using for loops
    define functions to add and delete values in arrays
  • use multidimensional arrays to store tabular data
    store and access elements in array lists, part of the Java collections framework
    work with type rules on non-parameterized collections
    summarize the key concepts covered in this course


  • 2m 12s
  • 12m 26s
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    3.  Examining Fixed-length Characteristics of Arrays
    9m 24s
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    4.  Iterating over Arrays Using For Loops
    9m 5s
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    5.  Working with Arrays as Collection Containers
    9m 24s
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    6.  Using Multidimensional and Jagged Arrays
    12m 12s
    In this demo, you'll learn how to use multidimensional arrays to store tabular data. You'll discover that multidimensional arrays are arrays with multiple dimensions. These arrays can be very complex to work with. FREE ACCESS
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    7.  Working with Non-parameterized Collections
    10m 40s
    The next video will demonstrate how to store and access elements in an array list, part of the Java Collections Framework. The List is an ordered collection of objects. Ordered because the sequence or order matters. There is an element in the first position, second position, third position, and so on. FREE ACCESS
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    8.  Accessing Elements in Non-parameterized Collections
    9m 22s
    In this video, you'll learn how to work with type rules on non-parameterized collections. You'll learn that before generics were introduced in Java, all collections were raw collections, meaning they didn't have any type information associated with them. Backward compatibility allowed for the use of the raw non-parameterized collection instead of the parameterized one. FREE ACCESS
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    9.  Course Summary
    2m 26s


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