How to use Math functions in Java with Examples | Java Sinhala | Part 17

Basic Math methods java Math
Math.max(x,y) The Math.max(x,y) method can be used to find the highest value of x and y: ...
Math.min(x,y) The Math.min(x,y) method can be used to find the lowest value of x and y: ...
Math.sqrt(x) The Math.sqrt(x) method returns the square root of x:
Math.abs(x)

Method Description
Math.sqrt() It is used to return the square root of a number.
Math.cbrt() It is used to return the cube root of a number.
Math.pow() It returns the value of first argument raised to the power to second argument.
Math.signum() It is used to find the sign of a given value.

The Java Math class has many methods that allows you to perform mathematical tasks on numbers.

Math.max(x,y)
The Math.max(x,y) method can be used to find the highest value of x and y:

Example
Math.max(5, 10);

Math.min(x,y)
The Math.min(x,y) method can be used to find the lowest value of x and y:

Example
Math.min(5, 10);

Math.sqrt(x)
The Math.sqrt(x) method returns the square root of x:

Example
Math.sqrt(64);

Math.abs(x)
The Math.abs(x) method returns the absolute (positive) value of x:

Example
Math.abs(-4.7);

Random Numbers
Math.random() returns a random number between 0.0 (inclusive), and 1.0 (exclusive):

Example
Math.random();

To get more control over the random number, e.g. you only want a random number between 0 and 100, you can use the following formula:

Example
int randomNum = (int)(Math.random() * 101); // 0 to 100

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