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Author: M-F-Tushar

OOP in Java/Chapter 10 - Object-Oriented Thinking/Code_Example/Exercise10_16.java

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+package ch_10;
+
+import java.math.BigDecimal;
+
+/**
+ * 10.16 (Divisible by 2 or 3) Find the first ten numbers with 50 decimal digits that are
+ * divisible by 2 or 3.
+ */
+public class Exercise10_16 {
+    public static void main(String[] args) {
+        BigDecimal bigDecimal = new BigDecimal("10000000000000000000000000000000000000000000000000");
+        int count = 0;
+        while (count < 10) {
+            BigDecimal remainder2 = bigDecimal.remainder(BigDecimal.valueOf(2L));
+            if (remainder2.intValue() == 0) {
+                System.out.print("\n" + bigDecimal.toPlainString());
+                System.out.print(" divided by 2 = ");
+                BigDecimal res = bigDecimal.divide(BigDecimal.valueOf(2L));
+                System.out.print(res.toPlainString());
+                count++;
+            }
+
+            BigDecimal remainder3 = bigDecimal.remainder(BigDecimal.valueOf(3L));
+            if (remainder3.intValue() == 0) {
+                System.out.print("\n" + bigDecimal.toPlainString());
+                System.out.print(" divided by 3 = ");
+                BigDecimal res = bigDecimal.divide(BigDecimal.valueOf(3L));
+                System.out.print(res.toPlainString());
+                count++;
+            }
+
+            bigDecimal = bigDecimal.add(BigDecimal.ONE);
+        }
+    }
+
+}