refactor: pull up method m2 from class B to class A

Author: rodrigo-brito

src/p7/A.java

@@ -4,4 +4,8 @@ public class A {
   public void m1() {
     System.out.println("m1");
   }
+
+  public void m2() {
+    System.out.println("m2");
+  }
 }

src/p7/B.java

@@ -1,10 +1,6 @@
 package p7;
 
 public class B extends A {
-  public void m2() {
-    System.out.println("m2");
-  }
-
   public void m3() {
     System.out.println("m3");
   }