how many functions are in the java math class code example

Example 1: math class in java

double random = Math.random();
// chooses random number between 0 and 1 ( * 100 to make it in 100)

Example 2: math class in java

double floor = Math.floor(7.343);  // floor = 7.0
//rounds to the value down to the nearest integer value (returned as double)