changed the readme article links to https and removed the gitignore file (#7780)

.gitignore

@@ -4,6 +4,7 @@ bin/
 *.class
 
 # Package Files #
+*.jar
 *.war
 *.ear
 

core-java-modules/core-java-lang-oop-2/README.md

@@ -10,6 +10,6 @@
 - [Java ‘private’ Access Modifier](https://www.baeldung.com/java-private-keyword)
 - [Marker Interfaces in Java](https://www.baeldung.com/java-marker-interfaces)
 - [Java equals() and hashCode() Contracts](https://www.baeldung.com/java-equals-hashcode-contracts)
-- [Immutable Objects in Java](http://www.baeldung.com/java-immutable-object)
-- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](http://www.baeldung.com/java-inheritance-composition)
+- [Immutable Objects in Java](https://www.baeldung.com/java-immutable-object)
+- [Inheritance and Composition (Is-a vs Has-a relationship) in Java](https://www.baeldung.com/java-inheritance-composition)
 - [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors)

core-java-modules/core-java-lang-oop-3/.gitignore

@@ -1,26 +0,0 @@
-*.class
-
-0.*
-
-#folders#
-/target
-/neoDb*
-/data
-/src/main/webapp/WEB-INF/classes
-*/META-INF/*
-.resourceCache
-
-# Packaged files #
-*.jar
-*.war
-*.ear
-
-# Files generated by integration tests
-*.txt
-backup-pom.xml
-/bin/
-/temp
-
-#IntelliJ specific
-.idea/
-*.iml

core-java-modules/core-java-lang-oop-3/README.md

@@ -3,9 +3,9 @@
 ## Core Java Lang OOP 3 Cookbooks and Examples
 
 ### Relevant Articles: 
-- [Pass-By-Value as a Parameter Passing Mechanism in Java](http://www.baeldung.com/java-pass-by-value-or-pass-by-reference)
-- [Access Modifiers in Java](http://www.baeldung.com/java-access-modifiers)
-- [Guide to the super Java Keyword](http://www.baeldung.com/java-super)
-- [Guide to the this Java Keyword](http://www.baeldung.com/java-this)
+- [Pass-By-Value as a Parameter Passing Mechanism in Java](https://www.baeldung.com/java-pass-by-value-or-pass-by-reference)
+- [Access Modifiers in Java](https://www.baeldung.com/java-access-modifiers)
+- [Guide to the super Java Keyword](https://www.baeldung.com/java-super)
+- [Guide to the this Java Keyword](https://www.baeldung.com/java-this)
 - [Java Public Access Modifier](https://www.baeldung.com/java-public-keyword)
 - [Composition, Aggregation and Association in Java](https://www.baeldung.com/java-composition-aggregation-association)

core-java-modules/core-java-lang-oop/README.md

@@ -3,13 +3,13 @@
 ## Core Java Lang OOP Cookbooks and Examples
 
 ### Relevant Articles: 
-- [Guide to hashCode() in Java](http://www.baeldung.com/java-hashcode)
-- [A Guide to the Static Keyword in Java](http://www.baeldung.com/java-static)
-- [Polymorphism in Java](http://www.baeldung.com/java-polymorphism)
-- [Method Overloading and Overriding in Java](http://www.baeldung.com/java-method-overload-override)
-- [How to Make a Deep Copy of an Object in Java](http://www.baeldung.com/java-deep-copy)
-- [Guide to Inheritance in Java](http://www.baeldung.com/java-inheritance)
-- [Object Type Casting in Java](http://www.baeldung.com/java-type-casting)
-- [The “final” Keyword in Java](http://www.baeldung.com/java-final)
-- [Type Erasure in Java Explained](http://www.baeldung.com/java-type-erasure)
-- [Variable and Method Hiding in Java](http://www.baeldung.com/java-variable-method-hiding)
+- [Guide to hashCode() in Java](https://www.baeldung.com/java-hashcode)
+- [A Guide to the Static Keyword in Java](https://www.baeldung.com/java-static)
+- [Polymorphism in Java](https://www.baeldung.com/java-polymorphism)
+- [Method Overloading and Overriding in Java](https://www.baeldung.com/java-method-overload-override)
+- [How to Make a Deep Copy of an Object in Java](https://www.baeldung.com/java-deep-copy)
+- [Guide to Inheritance in Java](https://www.baeldung.com/java-inheritance)
+- [Object Type Casting in Java](https://www.baeldung.com/java-type-casting)
+- [The “final” Keyword in Java](https://www.baeldung.com/java-final)
+- [Type Erasure in Java Explained](https://www.baeldung.com/java-type-erasure)
+- [Variable and Method Hiding in Java](https://www.baeldung.com/java-variable-method-hiding)