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java-features-examples

JDK VERSION : JDK 11 - AMAZON CORRETTO


Maven build plugins for JDK 11

  <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.0</version>
                <configuration>
                    <release>11</release>
                    <source>11</source>
                    <target>11</target>
                </configuration>
            </plugin>
   </plugins>

Examples

  • composition vs inheritance

    examples code

  • equals vs referance

    examples code

  • iterators

    Iterators & ListIterator & Spliterator

    examples code

  • collection differance

    ArrayList vs HashSet

    HashSet vs LinkedHashSet vs TreeSet

    ArrayList vs LinkedList

    Vector vs ArrayList

    examples code

  • map differance

    HashMap vs LinkedHashMap vs TreeMap

    HashMap vs ConcurrentHashMap

    examples code

  • Class structure

    Inner & Static & Local Class and properties access

    examples code

  • interface vs abstract

    examples code

  • sorting

    Array sorting

    List sorting

    Map sorting

    Set sorting

    Comparable vs Comparator

    Sorting algorithms

    examples code

  • String Pooling vs StringBuilder vs StringBuffer

    examples code

  • Binary search

    Iteration

    Recursive

    examples code

  • Ternary search

    examples code

  • Hierarchical Data Structure

    Binary Tree

    Binary Search Tree

    Binary Heap

    examples code

  • error vs exception

    examples code

  • LinkedList

    examples code

  • Complexity

    Constant Time

    Linear Time

    Logarithmic Time

    N Log N Time

    Polynomial Time

    Quadratic Time

    examples code

  • Reflection

    examples code

  • Custom Annotation

    Target

    Retention

    Inherited

    examples code

  • Lambda

    Coupling

    Decoupling

    Functional Interface

    • Consumer

    • Function

    • Predicate

    • Supplier

    examples code