Java Guava | sqrt(long x, RoundingMode mode) of LongMath Class with Examples

// Java code to show implementation of
// sqrt(long x, RoundingMode mode) method
// of Guava's LongMath class

import java.math.RoundingMode;
import com.google.common.math.LongMath;

class GFG {

    // Driver code
    public static void main(String args[])
    {
        long x1 = 524;

        // Using sqrt(long x, RoundingMode mode)
        // method of Guava's LongMath class
        // The RoundingMode HALF_EVEN rounds towards
        // the nearest neighbor unless both neighbors
        // are equidistant, in which case, round towards
        // the even neighbor.
        long ans1
            = LongMath.sqrt(x1,
                            RoundingMode.HALF_EVEN);

        System.out.println("Square root of " + x1
                           + " is : " + ans1);

        long x2 = 316;

        // Using sqrt(long x, RoundingMode mode)
        // method of Guava's LongMath class
        // The RoundingMode FLOOR rounds towards
        // negative infinity.
        long ans2
            = LongMath.sqrt(x2,
                            RoundingMode.FLOOR);

        System.out.println("Square root of " + x2
                           + " is : " + ans2);
    }
}

// Java code to show implementation of
// sqrt(long x, RoundingMode mode) method
// of Guava's LongMath class

import java.math.RoundingMode;
import com.google.common.math.LongMath;

class GFG {

    // Driver code
    public static void main(String args[])
    {
        int x = -65;

        try {
            // Using sqrt(long x, RoundingMode mode)
            // method of Guava's LongMath class
            // The RoundingMode HALF_EVEN rounds towards
            // the nearest neighbor unless both neighbors
            // are equidistant, in which case, round towards
            // the even neighbor.

            // This should throw "IllegalArgumentException"
            // as x < 0
            long ans1 = LongMath.sqrt(x,
                                      RoundingMode.HALF_EVEN);
        }
        catch (Exception e) {
            System.out.println(e);
        }
    }
}