diff --git a/core-java/src/main/java/com/baeldung/maths/FloatingPointArithmetic.java b/core-java/src/main/java/com/baeldung/maths/FloatingPointArithmetic.java
new file mode 100644
index 0000000000..4163adcf09
--- /dev/null
+++ b/core-java/src/main/java/com/baeldung/maths/FloatingPointArithmetic.java
@@ -0,0 +1,51 @@
+package com.baeldung.maths;
+
+import java.math.BigDecimal;
+
+public class FloatingPointArithmetic {
+    public static void main(String[] args) {
+        
+        double a = 13.22;
+        double b = 4.88;
+        double c = 21.45;
+        
+        System.out.println("a =         " + a);
+        System.out.println("b =         " + b);
+        System.out.println("c =         " + c);
+        
+        double sum_ab = a + b;
+        System.out.println("a + b =     " + sum_ab);
+        
+        double abc =  a + b + c;
+        System.out.println("a + b + c = " + abc);
+        
+        double ab_c = sum_ab + c;
+        System.out.println("ab + c =    " + ab_c);
+        
+        double sum_ac = a + c;
+        System.out.println("a + c =     " + sum_ac);
+        
+        double acb = a + c + b;
+        System.out.println("a + c + b = " + acb);
+        
+        double ac_b = sum_ac + b;
+        System.out.println("ac + b =    " + ac_b);
+        
+        double ab = 18.1;
+        double ac = 34.67;
+        double sum_ab_c = ab + c;
+        double sum_ac_b = ac + b;
+        System.out.println("ab + c =    " + sum_ab_c);
+        System.out.println("ac + b =    " + sum_ac_b);
+        
+        BigDecimal d = new BigDecimal(String.valueOf(a));
+        BigDecimal e = new BigDecimal(String.valueOf(b));
+        BigDecimal f = new BigDecimal(String.valueOf(c));
+        
+        BigDecimal def = d.add(e).add(f);
+        BigDecimal dfe = d.add(f).add(e);
+        
+        System.out.println("d + e + f = " + def);
+        System.out.println("d + f + e = " + dfe);
+    }
+}
diff --git a/core-java/src/test/java/com/baeldung/maths/FloatingPointArithmeticTest.java b/core-java/src/test/java/com/baeldung/maths/FloatingPointArithmeticTest.java
new file mode 100644
index 0000000000..2066f13c6d
--- /dev/null
+++ b/core-java/src/test/java/com/baeldung/maths/FloatingPointArithmeticTest.java
@@ -0,0 +1,45 @@
+package com.baeldung.maths;
+
+import java.math.BigDecimal;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class FloatingPointArithmeticTest {
+
+    @Test
+    public void givenDecimalNumbers_whenAddedTogether_thenGetExpectedResult() {
+        double a = 13.22;
+        double b = 4.88;
+        double c = 21.45;
+        double result = 39.55;
+        
+        double abc = a + b + c;
+        double acb = a + c + b;
+        
+        Assert.assertEquals(result, abc, 0);
+        Assert.assertNotEquals(result, acb, 0);
+        
+        double ab = 18.1;
+        double ac = 34.67;
+        
+        double ab_c = ab + c;
+        double ac_b = ac + b;
+        
+        Assert.assertEquals(result, ab_c, 0);
+        Assert.assertNotEquals(result, ac_b, 0);
+        
+        BigDecimal d = new BigDecimal(String.valueOf(a));
+        BigDecimal e = new BigDecimal(String.valueOf(b));
+        BigDecimal f = new BigDecimal(String.valueOf(c));
+        BigDecimal sum = new BigDecimal("39.55");
+        
+        BigDecimal def = d.add(e).add(f);
+        BigDecimal dfe = d.add(f).add(e);
+        
+        Assert.assertEquals(0, def.compareTo(sum));
+        Assert.assertEquals(0, dfe.compareTo(sum));
+        
+        Assert.assertNotEquals(0, sum.compareTo(new BigDecimal(String.valueOf(acb))));
+    }
+}