BAEL-1737, BAEL-1667 (#4251)

* BAEL-1737 - Access Modifiers examples

* BAEL-1737 - Corrected constructors

* BAEL-1737 - Smaller formatting fixes

* BAEL-1737 - Updated comments

* BAEL-1667 - Select and Option examples.

* BAEL-1667 - Corrected typo - closing select tag - that actually made the code to work. COrrected solution works well too and produces valid HTML

core-java/src/main/java/com/baeldung/accessmodifiers/Public.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers;
+
+public class Public {
+    public Public() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in the same package or subclass.
+        SuperPublic.defaultMethod(); // Available in the same package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/SubClass.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers;
+
+public class SubClass extends SuperPublic {
+    public SubClass() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in the same package or subclass.
+        SuperPublic.defaultMethod(); // Available in the same package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/SuperPublic.java

@@ -0,0 +1,39 @@
+package com.baeldung.accessmodifiers;
+
+//Only public or default access modifiers are permitted
+public class SuperPublic {
+    // Always available from anywhere
+    static public void publicMethod() {
+        System.out.println(SuperPublic.class.getName() + " publicMethod()");
+    }
+    
+    // Available within the same package
+    static void defaultMethod() {
+        System.out.println(SuperPublic.class.getName() + " defaultMethod()");
+    }
+    
+    // Available within the same package and subclasses
+    static protected void protectedMethod() {
+        System.out.println(SuperPublic.class.getName() + " protectedMethod()");
+    }
+    
+    // Available within the same class only
+    static private void privateMethod() {
+        System.out.println(SuperPublic.class.getName() + " privateMethod()");
+    }
+    
+    // Method in the same class = has access to all members within the same class
+    private void anotherPrivateMethod() {
+        privateMethod();
+        defaultMethod();
+        protectedMethod();
+        publicMethod(); // Available in the same class only.
+    }
+}
+
+// Only public or default access modifiers are permitted
+class SuperDefault {
+    public void publicMethod() {
+        System.out.println(this.getClass().getName() + " publicMethod()");
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherPublic.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherPublic {
+    public AnotherPublic() {
+        SuperPublic.publicMethod(); // Available everywhere.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherSubClass.java

@@ -0,0 +1,10 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherSubClass extends SuperPublic {
+    public AnotherSubClass() {
+        SuperPublic.publicMethod(); // Available everywhere.
+        SuperPublic.protectedMethod(); // Available in subclass. Let's note different package.
+    }
+}

core-java/src/main/java/com/baeldung/accessmodifiers/another/AnotherSuperPublic.java

@@ -0,0 +1,9 @@
+package com.baeldung.accessmodifiers.another;
+
+import com.baeldung.accessmodifiers.SuperPublic;
+
+public class AnotherSuperPublic {
+    public AnotherSuperPublic() {
+        SuperPublic.publicMethod(); // Available everywhere. Let's note different package.
+    }
+}

spring-thymeleaf/src/main/webapp/WEB-INF/views/addStudent.html

@@ -32,7 +32,9 @@
 			</tr>
 			<tr>
 				<td><label th:text="#{msg.percent}" /></td>
-				<td><input type="text" th:field="*{percentage}" /></td>
+				<td><select id="percentage" name="percentage">
+						<option th:each="i : ${#numbers.sequence(0, 100)}" th:value="${i}" th:text="${i}" th:selected="${i==75}"></option>
+				</select></td>
 			</tr>
 			<tr>
 				<td><input type="submit" value="Submit" /></td>