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Spring Boot

  • @EnableAutoConfiguration Annotation
  • MongoDB - CRUD Operations
  • MongoDB - Projections and Aggregations
  • Scanning Multiple Packages

Java String API

  • charAt()
  • chars() - Java 9
  • codePointAt()
  • codePointCount()
  • codePoints() - Java 9
  • compareTo()
  • compareToIgnoreCase
  • concat()
  • contains()
  • contentEquals()
  • copyValueOf()
  • describeConstable() - Java 12
  • endsWith()
  • equals()
  • equalsIgnoreCase()
  • format()
  • getBytes()
  • getChars()
  • hashcode()
  • indent() - Java 12
  • indexOf()
  • intern()
  • isBlank() - java 11
  • isEmpty()
  • join()
  • lastIndexOf()
  • length()
  • lines()
  • matches()
  • offsetByCodePoints()
  • regionMatches()
  • repeat()
  • replaceFirst()
  • replace()
  • replaceAll()
  • resolveConstantDesc()
  • split()
  • strip(), stripLeading(), stripTrailing()
  • substring()
  • toCharArray()
  • toLowerCase()
  • transform() - Java 12
  • valueOf()

Java Conversions

  • Java 8 List To Map
  • Java 8 String To Date
  • Java 8 Array To List
  • Java 8 List To Array
  • Java 8 Any Primitive To String
  • Java 8 Iterable To Stream
  • Java 8 Stream To IntStream
  • String To Lowercase
  • InputStream To File
  • Primitive Array To List
  • Int To String Conversion
  • String To ArrayList

Kotlin Programs

  • Sort ArrayList of Custom Objects
  • Join Two Lists
  • Get Current Date and Time

Kotlin Conversions

  • Error Stack Trace To String
  • String To Date
  • List To Array
  • Convert String to Float
  • Convert List to Map
  • Convert Map to List

Java Threads Tutorial

  • How To Create Thread?
  • How To Kill Thread?
  • Thread Priorities
  • Thread States Life Cycle Flow
  • Thread Join()
  • interrupt() VS interrupted() VS isInterrupted()
  • Create Thread Without Implementing Runnable
  • Create Thread Without Extending Thread Class
  • Matrix Multiplication With Thread (Efficient Way)
  • How To Delay Thread Execution?

Java 8 Tutorial

  • Java 8 New Features
  • Java 8 Examples Programs Before and After Lambda
  • Java 8 Lambda Expressions (Complete Guide)
  • Java 8 Lambda Expressions Rules and Examples
  • Java 8 Accessing Variables from Lambda Expressions
  • Java 8 Method References
  • Java 8 Functional Interfaces
  • Java 8 - Base64
  • Java 8 Default and Static Methods In Interfaces
  • Java 8 Optional
  • Java 8 New Date Time API
  • Java 8 - Nashorn JavaScript

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