Demo

Counter.java

@@ -1,20 +1,23 @@
-package samples;
-
-import sl4j.logger.log;
+package sample;
 
 public class Counter {
-    private int value;
+    private static int value = 0;
 
-    public Counter() {
-        this.value = 0;
-        log.log("Counter created");
-    }
+    /**
+     * Creates a counter instance
+     * @return Counter instance
+     */
+    private Counter() {}
 
-    public int increment(){
-        return ++this.value;
+    /**
+     * Increments the counter value
+     * @return counter value
+     */
+    public static int increment(){
+        return ++value;
     }
 
-    public int reset(){
-        return this.value = 0;
+    public static void reset(){
+        value = 0;
     }
 }

Example_v0.java

@@ -1,19 +1,16 @@
-package controller;
+package sample;
 
 import java.util.Random;
+import java.awt.font.*;
 
 public class A {
-    private static int Z;
+    private static final int Z;
 
     public A() {
         A.Z = 5;
     }
 
-    public int fcn(){
-        return A.Z * 5;
-    }
-
-    public int test(){
+    public int production(){
         return A.Z * 5;
     }
 }