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Java StringJoiner class || Strings in Java Programs || java.util.StringJoiner package ||

Python Set Collection with DELETE Operations || Python discard() function || Python remove() ||

Java Stream API with count() Method || Java8 Stream Interface || java.util.stream pkg ||

Python First Program || Python Scripts || Python .py file || Python py command | Python print() | #1

Python Operators || Python Bitwise Operators || Python Bitwise Right-Shift Operator || #40

Java Method Call by Reference || Java Methods || Java Object Reference Variable ||

101. Runtime Errors in Java Program || Types of Errors in Java Program || Exception in Java Program

Java Try with Resources

Java StringJoiner class with Other Methods|| Strings in Java Program|| java.util.StringJoiner||

Python User Defined Functions with Arguments | Python Functions with Input Parameters | Python |

Python List Functions || Python len() Function || Python list() Function || Python List Coll || #88

Java Pattern Matching with instanceof Operator in Java12 || Java instanceof Operator ||

147. SequenceInputStream in Java IOStreams || Input-Streams in Java || Output-Streams in Java

5. Working with Oracle DataBase SQL PLUS or Command Line

Java Lambda Expression with Comparator interface

Python Tuple Collection with operators || Python +, *, in, not in operators || Python Tuples ||#96

Python Set Collection with POP & CLEAR operations || Python pop() function || Python clear() ||

Java Local Variables in Lambda Expressions in Java11|| Java Local Variables, Lambda Expressions

Java ZonedDateTime class || java.time.ZonedDateTime class|| java.time pkg || Java Time Zone ||

Python Dictionary Collection with len(), str(), type() functions | Python dict datatype | Py |

95. Public Access-Modifier in Java Class || Access Modifiers in Java || Access Specifiers in java

156. FileOutputStream with Multi-Line-Data || Input-Stream and Output-Stream in Java || IO-Streams

Python User defined Functions | Python def keyword | Python return keyword | Python Functions |

Python Operators || Python Assignment Operators || Python Compound Assignments || #34

Python Functions with Call by Reference | Python Function Actual Arguments & Formal Parameters |

Java Stream API with min() and max() Methods || Java8 Stream API || java.util.stream pkg ||

Java Method References with Runnable interface using Static Method

Python Operators || Python Bitwise Operators || Python Bitwise Left Shift Operator || #39

Python Tuple Collection with Slicing || Python Tuple Slicing || Python Slice Operator | Python | #92

Java Local Variables Type Inference in Java10 || Java Variables || Java Type Inference ||

Python If Else Statement || Python Control Structures || Python Branching Control Structures || #47

Python Operators || Python Bitwise Operators || Python Bitwise XOR Operator || Python Bitwise ^ |#37

163. DataOutputStream class in Java-IO-Streams || Input-Streams & Output-Streams in Java || Streams

StringBuilder class with Index Related Methods

Python Dictionary Collection with dict() Method | Python dict collection | Python Collections |

159. BufferedOutputStream in Java IO-Stream || Input-Streams & Output-Streams in Java || IO-Streams

Java forEach() Method || Java Collections with forEach() Method|| Consumer Functional Interface

Java Default Methods in Interfaces|| Java Interfaces with Default Methods || Java Interfaces ||

190. CharArrayReader Class in Character IOStreams || Input Streams || Output Streams || Java Streams

161. PrintStream class in Java-IO-Streams || Input-Stream & Output-Stream in Java || Streams in Java

Python String Indexes || Python Strings || Python Slice Operator || Python Subscript Operator || #60

Python List Collection with Indexes || Python List Data Structure || Python Derived Datatype || #80

Java LocalDate class || Java Local System Date || java.time.LocalDate class || java.time pkg ||

Python Tuple Collection | Python Data Structures | Python Collections | Python Derived Datatype |#90

118. NumberFormatException in Java-Program || Exceptions in Java || Exception Handling Mechanism

Python Operators || Python Bitwise Operators || Python Bitwise OR Operator || Python Bitwise| || #36

Java Files class with mismatch() Method in Java-12|| java.nio.file.Files class || Files class||

Python Keywords | Python import Keyword | Python from Keyword | Python as Keyword | Py Modules | #22

#2 Instance Variables in Python class || Types of Variables in Python class || __init__() || self

Java Array Copying with arraycopy() method || Java Arrays || Java System class || Array Copy ||