Since my trusty C++ compiler produced fast math code, I just needed to call these math routines instead of the slow StrictMath routines from my Java program. Java Native Interface (JNI) enables ...

Math.random() always generates a positive number ... If you are using Java 8, you must upgrade. There’s no excuse to run Java code on a JDK that is more than 10 years old.

A double in Java is a 64-bit number, and the 64-bit precision of a double never changes within a Java program. The logic of the above code where we output a Java double to two decimals of precision ...