- #050 [JAVA] - ArrayList Methods(Set, Remove, Remove All, Remove Range) Polymorphic ArrayList
- #051 [JAVA] - ArrayList Methods(contains, retainAll, subList, clear, ensureCapacity, sort, min, max)
- #052 [JAVA] - Abstraction (Real-Life Examples, Introduction to Abstract Class, UML Abstract Class)
- #053 [JAVA] - Abstract Class part 1 (Examples, Abstract rules)
- #054 [JAVA] - Abstract Class part 2 (Polymorphism, Benefits of Abstract Class)
- #055 [JAVA] - Interface Part1 (Real-Life Example, UML, Convention)
- #056 [JAVA] - Interface Part2(Practical, Implement Multiple Interfaces, Extends Multiple Interfaces)
- #057 [JAVA] - Interface Part3 (Default - Private - Static Methods, Nested Interface)
- #058 [JAVA] - Interface Part4(Marker or Tagging Interface, Generic Interface, Benefits of Interface)
- #059 [JAVA] - Anonymous Inner Class (Extends Class, Implements Interface, Defined Arguments, Lambda)
- #060 [JAVA] - Anonymous Inner Class (Constructor, Extra Methods, Local Variables , Var Keyword)
- #061 [JAVA] - Java Enum (What is Enum, Examples, UML, Enum with switch, Attributes & Methods)
- #062 [JAVA] - Java Enum ( Real life example, ordinal, compreTo, toString, name, valueOf, values )
- #063 [JAVA] - Java Enum ( EnumSet & EnumMap classes, Benefits of Enums, Enums vs Classes )
- #064 [JAVA] - Exception Handling (Try-catch block, Multi-catch blocks, Union-catch blocks )
- #065 [JAVA] - Exception Handling ( Finally Block, Throws Keyword, Checked vs Unchecked Exception )
- #066 [JAVA] - Exception Handling (Throw keyword, Throw vs Throws, Throw & finally, Custom exception)
- #067 [JAVA] - File Handling(java.io, Byte & Character stream, InputStream & OutputStream subclasses)
- #068 [JAVA] - File Handling ( FileInputStream class, Character size vs String size )
- #069 [JAVA] - File Handling (FileOutputStream class, Reading and Writing images, Arabic letters)
- #070 [JAVA] - File Handling (File class)
- #071 [JAVA] - File Handling (File class, Directories "Add/Remove", Constructors)
- #072 [JAVA] - File Handling (Reader class/Writer class hierarchy, FileWriter & FileReader)
- #073 [JAVA] - File Handling (BufferedReader / BufferedWriter classes, Read file line by line)