Java's naming convention standards Java's standard naming conventions to differentiate between classes, types, methods, packages and variables include the following: Traditional PascalCase.

Variable naming conventions often confuse new developers. What's the difference between snake case, kebab case and pascal case? Try this variable naming quiz to set the record straight on naming ...

Right-click the Java file you want to edit and select "Open With." Click your Java compiler to open the code in the editor. Add the "Random" class library to the top of the source code file.

$1 is the name of a scratch variable that jshell creates to store 52. (Scratch variables are created whenever literals are entered.) Execute System.out.println($1) and you’ll see 52 as the output.

If you place the square brackets after the type name, as in int[] a, b, c;, all three variables signify one-dimensional arrays of integers. Where do square brackets go?