diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index 84fc67159379..17411bb1d5a4 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -78,10 +78,10 @@ public static double surfaceAreaSphere(final double radius) { */ public static double surfaceAreaPyramid(final double sideLength, final double slantHeight) { if (sideLength <= 0) { - throw new IllegalArgumentException(""); + throw new IllegalArgumentException("Must be a positive sideLength"); } if (slantHeight <= 0) { - throw new IllegalArgumentException("slant height must be greater than 0"); + throw new IllegalArgumentException("Must be a positive slantHeight"); } double baseArea = sideLength * sideLength; double lateralSurfaceArea = 2 * sideLength * slantHeight;