• Basics
    • Java data types
    • Operators - Bitwise Operators
  • String based operations
    • String - substring operation
    • String - indexOf operation
    • String - intern() operation
    • Remove white spaces from a string
    • Split string into substrings using a pattern
    • Replace a character or a substring from a string
  • Java Collections
    • How to loop through elements of List in different ways
    • How to remove elements from a List
    • How to remove elements from a List while iterating
    • Filter and collect elements from a List using Java Stream API (from Java 8 onwards)
    • Filter and find an element from a List using Java Stream API (from Java 8 onwards)
    • Convert a List of objects into a Map using Java Stream API (from Java 8 Onwards)
    • How to loop through Map entries in different ways
    • How to remove entries from a Map
    • Convert a Map into a List of objects using Java Stream API (from Java 8 Onwards)
  • Java IO (input/ output)
    • How to read a text file in Java with examples
    • How to write a text file in Java with examples
    • Java - File Open Options
    • How to efficiently read large files in Java
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