Java Practice

Covered Topics

• Java
• Algorithm
• Design Pattern
• String
• Exception
• Collection [Set & Map]
• Streams
• Lambda
• Serialization
• Logical
• SOLID

Java

• Main method name
• Static Block

Refer URL for Java Main App

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Algorithm

• Sort
  • Bubble Sort

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Design Pattern

• Singleton
• Factory
• Abstract Factory
• Facade
• Adapter
• Proxy
• Builder

Refer URL for Design Pattern

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String

• Palindrome using StringBuilder (Using Inbuilt Method reverse())
• Captial Case using StringUtil and Streams

Refer URL for String

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Exception

• Throwable
• Throw
• Throws
• Try-Catch
• Finally
• Custom Exception

Refer URL for Exception

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Collections-Map

Set

• TreeSet - Sorting using Streams and TreeSet Sort
• HashSet - Find duplicate items using HashSet

Refer URL TreeSetApp.java

Map

• HashMap -Count number of letters in given string
• TreeMap - Natural Sorting with Key value pair

Refer URL Map

Arrays

• Array

Refer URL Array

ArrayList

• ArrayList
• Sorted ArrayList

Refer URL Array List

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Streams

• filter
  • StreamFilterApp.java
• intermediate
  • map
    • StreamIntermediateMap.java
  • flatMap
    • StreamIntermediateFlatMap.java
• forEach
• sorted
• limit
• HackerEarth FizzBuzz
• StreamApp.java

Refer URL Stream

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Lambda

• lambda - Runnable and Thread

Refer URL Lambda

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Serialization

• Serialization & Deserialization
• transient

Refer URL Serialization

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Logical

• Check Prime number
• Check number is Palindrome or not.

Refer URL Logical

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Solid

• Single Responsibility Principle (SRP)
  • SRPEmailApp.java
• Open/Closed Principle (OCP)
  • OCPCalculatorAreaApp.java
• Liskov Substitution Principle (LSP)
  • LSPDrawShapeApp.java
• Interface Segregation Principle (ISP)
  • ISPDriverFlyApp.java
• Dependency Inversion Principle (DIP)
  • DIPCalculatorApp.java

Refer URL SOLID

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