fix: correct error message in surfaceAreaCylinder method

eswarseeram · eswarseeram · commit d4ff437cd29a · 2025-11-24T17:17:19.000+05:30
diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
@@ -77,7 +77,7 @@ public static double surfaceAreaCylinder(final double radius, final double heigh
             throw new IllegalArgumentException(POSITIVE_RADIUS);
         }
         if (height <= 0) {
-            throw new IllegalArgumentException(POSITIVE_RADIUS);
+            throw new IllegalArgumentException(POSITIVE_HEIGHT);
         }
         return 2 * (Math.PI * radius * radius + Math.PI * radius * height);
     }

Original file line number	Diff line number	Diff line change
`@@ -77,7 +77,7 @@ public static double surfaceAreaCylinder(final double radius, final double heigh`
`77`	`77`	`throw new IllegalArgumentException(POSITIVE_RADIUS);`
`78`	`78`	`}`
`79`	`79`	`if (height <= 0) {`
`80`		`- throw new IllegalArgumentException(POSITIVE_RADIUS);`
	`80`	`+ throw new IllegalArgumentException(POSITIVE_HEIGHT);`
`81`	`81`	`}`
`82`	`82`	`return 2 * (Math.PI * radius * radius + Math.PI * radius * height);`
`83`	`83`	`}`