Change project structure to a Maven Java project + Refactor (#2816)

src/main/java/com/thealgorithms/conversions/DecimalToOctal.java

@@ -0,0 +1,32 @@
+package com.thealgorithms.conversions;
+
+import java.util.Scanner;
+
+/**
+ * This class converts Decimal numbers to Octal Numbers
+ */
+public class DecimalToOctal {
+
+    /**
+     * Main Method
+     *
+     * @param args Command line Arguments
+     */
+
+    // enter in a decimal value to get Octal output
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int n, k, d, s = 0, c = 0;
+        System.out.print("Decimal number: ");
+        n = sc.nextInt();
+        k = n;
+        while (k != 0) {
+            d = k % 8;
+            s += d * (int) Math.pow(10, c++);
+            k /= 8;
+        }
+
+        System.out.println("Octal equivalent:" + s);
+        sc.close();
+    }
+}