Add MathUtil.java

Penambahan subrutin pembulatan nilai double

jasamedika-core/src/main/java/com/jasamedika/medifirst2000/util/MathUtil.java

@@ -0,0 +1,26 @@
+package com.jasamedika.medifirst2000.util;
+
+import java.math.BigDecimal;
+import java.math.RoundingMode;
+
+/**
+ * @author salmanoe
+ * @since Dec 29, 2021
+ */
+public class MathUtil {
+
+	public MathUtil() {
+		super();
+	}
+
+	public static double round(double value, int places) {
+		if (places < 0)
+			throw new IllegalArgumentException();
+
+		BigDecimal bd = BigDecimal.valueOf(value);
+		bd = bd.setScale(places, RoundingMode.HALF_UP);
+
+		return bd.doubleValue();
+	}
+
+}