News

Preamble: This program originated from a desire to make more use of 2D arrays in teaching Java programming. I thought that it would be really handy if there was a prebuit program that would handle the ...
This post shows readers how to create an array in Java. Including: Array Lists, multidimensional arrays, maps, and more.
How to Assign Random Numbers to an Array in Java. Java has a "Random" class that lets you generate a random number you use to implement calculations in your Java source code.
Another way to size Java arrays is to provide all of the array elements at the time of initialization: // Size the Java array with a set of known values int[] arraySizeExample = new {0,1,1,2,3,5,8}; ...
Array Class (Java 17) length - returns the size of an array in terms of its total capacity to hold elements Code example to find the Java array size Here is a simple example of how to find the length ...
This may already be possible but I cannot figure out how to do it, I have an array of objects and I would like to filter out the objects that dont have a key containing a certain string and display ...