Tests/Java: Clean up style of Java test code

Tests/Java/A.java

@@ -1,11 +1,11 @@
 class A
 {
   public A()
-    {
-    }
+  {
+  }
 
   public void printName()
-    {
-      System.out.println("A");
-    }
+  {
+    System.out.println("A");
+  }
 }

Tests/Java/HelloWorld.java

@@ -1,11 +1,11 @@
 class HelloWorld
 {
-    public static void main(String args[])
-    {
-        A a;
-        a = new A();
-        a.printName();
-        System.out.println("Hello World!");
-    }
+  public static void main(String args[])
+  {
+    A a;
+    a = new A();
+    a.printName();
+    System.out.println("Hello World!");
+  }
 }