Math and NumberFormat Classes

Java classes lay the foundation for your programs. The Java Math and NumberFormat classes let you program number values, as well as format numbers and currencies.

The Math class

num abs(num y);	Absolute value of y (num can be any numeric data type)
num max(num y, num z);	Maximum of y and z
num min(num y, num z);	Minimum of y and z
double = Math. random();	Random number — 0.0 < x <= 1.0

The NumberFormat class

NumberFormat getNumberInstance();	Gets an instance that formats numbers.
NumberFormat getCurrencyInstance();	Gets an instance that formats currency.
String format(x);	Formats the specified number.

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