Java Math cbrt() Method

The cbrt() method of Math class returns the cube root of a double value.

Syntax:

public static double cbrt(double a)

Parameters:

The parameter ‘a’ represents the value whose cube root is to be determined.

Return Value:

The cbrt () method returns the cube root of the specified value.

• It returns NaN, if we pass a NaN.
• It returns infinity with the same sign as the argument, if we pass a positive infinite argument.
• If we pass zero as an argument, it will return zero with the same sign as the argument.

Example 1:

public class JavaMathCbrtExample1 {
    public static void main(String[] args) {
        double a=8.0;
        //returns the cube root of a double value
        System.out.println("Cube root of "+ a +" = "+Math.cbrt(a));
    }
}

Output:

Cube root of 8.0 = 2.0

Example 2:

public class JavaMathCbrtExample2 {
    public static void main(String[] args) {
        double a=-0.0d/0.0d;
        //returns the cube root of a NaN value
        System.out.println("Cube root of "+ a +" = "+Math.cbrt(a));
    }
}

Output:

Cube root of NaN = NaN

Example 3:

public class JavaMathCbrtExample3 {
    public static void main(String[] args) {
        double a=-0.0;
        //returns a zero with the same sign as the argument ,if the argument is zero.
        System.out.println("Cube root of "+ a +" = "+Math.cbrt(a));
    }
}

Output:

Cube root of -0.0 = -0.0

Example 4:

public class JavaMathCbrtExample4 {
    public static void main(String[] args) {
        double a=-5/0.0;
        //returns infinity with the same sign as the argument ,if the argument is infinity.
        System.out.println("Cube root of "+ a +" = "+Math.cbrt(a));
    }
}

Output:

Cube root of -Infinity = -Infinity