Java Supplier interface tutorial. As you can see, the code for the class that implements Java’s Supplier interface is fairly simple. The only requirements are the class declaration and the ...

Java Scanner import example. Found in the java.util package, Java’s Scanner class can read input from the command line and return it as a String, BigDecimal or any one of Java’s eight primitive types.

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.