Modified and cleaned last Java example for Euclidean Algo (#173)

* Modified and cleaned last Java example

* Update EuclideanAlgo.java

* Update euclidean.md

Author: xam4lor

chapters/euclidean_algorithm/code/java/EuclideanAlgo.java

@@ -0,0 +1,27 @@
+// submitted by lolatomroflsinnlos, modified by xam4lor
+public class EuclideanAlgo {
+    public static int euclidSub(int a, int b) {
+        a = Math.abs(a);
+        b = Math.abs(b);
+        
+        while (a != b) {
+            if (a > b) {
+                a -= b;
+            } else {
+                b -= a;
+            }
+        }
+        
+        return a;
+    }
+    
+    public static int euclidMod(int a, int b) {
+        while (b != 0) {
+            int tmp = b;
+            b = a % b;
+            a = tmp;
+        }
+
+        return a;
+    }
+}

chapters/euclidean_algorithm/code/java/MainClass.java

@@ -0,0 +1,8 @@
+//submitted by lolatomroflsinnlos, modified by xam4lor
+public class MainClass {
+    public static void main(String[] args) {
+        System.out.println("Euclidean Algorithm :");
+        System.out.println(EuclideanAlgo.euclidMod(64 * 67, 64 * 81));
+        System.out.println(EuclideanAlgo.euclidSub(128 * 12, 128 * 77) + "\n");
+    }
+}

chapters/euclidean_algorithm/code/java/euclidean_example.java

@@ -13,6 +13,8 @@ The algorithm is a simple way to find the *greatest common divisor* (GCD) of two
 [import:2-8, lang="clojure"](code/clojure/euclidean_example.clj)
 {% sample lang="cpp" %}
 [import:20-33, lang="c_cpp"](code/c++/euclidean.cpp)
+{% sample lang="java" %}
+[import:3-16, lang="java"](code/java/EuclideanAlgo.java)
 {% sample lang="js" %}
 [import:15-29, lang="javascript"](code/javascript/euclidean_example.js)
 {% sample lang="py" %}
@@ -23,8 +25,6 @@ The algorithm is a simple way to find the *greatest common divisor* (GCD) of two
 [import:3-15, lang="rust"](code/rust/euclidean_example.rs)
 {% sample lang="ml" %}
 [import:9-17, lang="ocaml"](code/ocaml/euclidean_example.ml)
-{% sample lang="java" %}
-[import:9-22, lang="java"](code/java/euclidean_example.java)
 {% sample lang="go" %}
 [import:25-38, lang="golang"](code/go/euclidean.go)
 {% endmethod %}
@@ -46,6 +46,8 @@ Modern implementations, though, often use the modulus operator (%) like so
 [import:9-13, lang="clojure"](code/clojure/euclidean_example.clj)
 {% sample lang="cpp" %}
 [import:7-17, lang="c_cpp"](code/c++/euclidean.cpp)
+{% sample lang="java" %}
+[import:18-26, lang="java"](code/java/EuclideanAlgo.java)
 {% sample lang="js" %}
 [import:1-13, lang="javascript"](code/javascript/euclidean_example.js)
 {% sample lang="py" %}
@@ -56,8 +58,6 @@ Modern implementations, though, often use the modulus operator (%) like so
 [import:17-27, lang="rust"](code/rust/euclidean_example.rs)
 {% sample lang="ml" %}
 [import:3-7, lang="ocaml"](code/ocaml/euclidean_example.ml)
-{% sample lang="java" %}
-[import:24-35, lang="java"](code/java/euclidean_example.java)
 {% sample lang="go" %}
 [import:14-23, lang="golang"](code/go/euclidean.go)
 {% endmethod %}
@@ -88,6 +88,12 @@ Program.cs
 {% sample lang="cpp" %}
 ### Cpp
 [import, lang="c_cpp"](code/c++/euclidean.cpp)
+{% sample lang="java" %}
+### Java
+EuclideanAlgo.java
+[import, lang="java"](code/java/EuclideanAlgo.java)
+MainClass.java
+[import, lang="java"](code/java/MainClass.java)
 {% sample lang="js" %}
 ### JavaScript
 [import, lang="javascript"](code/javascript/euclidean_example.js)
@@ -103,10 +109,6 @@ Program.cs
 {% sample lang="ml" %}
 ### Ocaml
 [import, lang="ocaml"](code/ocaml/euclidean_example.ml)
-{% sample lang="java" %}
-### Java
-[import, lang="java"](code/java/euclidean_example.java)
-{% sample lang="go" %}
 ### Go
 [import, lang="golang"](code/go/euclidean.go)
 {% endmethod %}