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https://github.com/inbravo/java-feature-set

-:- My random experiements with Java -:-
https://github.com/inbravo/java-feature-set
anagrams concurrency countdownlatch java jvm prime-numbers randomnumber selection-sort sort wordfrequency
Last synced: about 2 months ago
JSON representation
-:- My random experiements with Java -:-
Host: GitHub
URL: https://github.com/inbravo/java-feature-set
Owner: inbravo
License: mit
Created: 2014-05-08T10:15:20.000Z (over 10 years ago)
Default Branch: master
Last Pushed: 2019-12-19T10:27:16.000Z (about 5 years ago)
Last Synced: 2023-08-22T15:50:55.559Z (over 1 year ago)
Topics: anagrams, concurrency, countdownlatch, java, jvm, prime-numbers, randomnumber, selection-sort, sort, wordfrequency
Language: Java
Homepage:
Size: 25.6 MB
Stars: 4
Watchers: 5
Forks: 8
Open Issues: 1
Metadata Files:
- Readme: README.md
- License: LICENSE.md
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README

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### Some useful Java examples

#### JDK 5/6 Language features 

-  [A static nested class is 'Static Nested Class'. A non static nested class becomes 'Inner Class'][NestedClassTest.md]

-  [How shift operation based calculation is faster than mathematical equivalent][NativeCalc.md]

-  [Simulator for 'OutOfMemoryError'][OutOfMemoryErrorSim.md]

-  [Singleton using 'enum'][EnumSingletonTest.md]

-  [How Remote Method Invocation(RMI) works][PowerServiceImpl.md]

#### JDK 7 language features

-  [Usage of 'MethodHandles'][MethodHandleTest.md]

-  [Diamond operator(<>)][DiamondOperatorTest.md]

-  [Remove compiler warning about generics variable arguments invocation using '@SafeVarargs' annotation][SafeVarargsAnnotationTest.md]

#### JDK 8 language features

-  [Performance comparison between MethodHandle, Reflection, LambdaMetafactory and Direct method call][TestMethodPerf.md]

-  [Interface with 'default' method][InterfaceWithMainTest.md]

-  [Interface with 'static' method][InterfaceWithStaticMethod.md]

-  [Class with 'default' method][ClassWithDefaultMethodUsage.md]

-  [Functional interfaces][FunctionalInterfaceTest.md]

-  [Runnable is a functional interface now (java.lang.FunctionalInterface)][ThreadSleepTest.md]

-  [Predicate as functional interfaces][PredicateTest.md]

-  [Using 'Collections.sort' on Lambdas][ComparatorTest.md]

-  [Using 'List.forEach' on Lambdas][ForEachTest.md]

-  [List Streaming example][ListStreamTest.md]

#### JDK 9 language features 

-  [How 'jshell' (Read-Eval-Print Loop : JEP-222) works][JShellTest.md]

-  [How 'VarHandle' class (JEP-193) works][VarHandleTest.md]

-  [Factory methods for Collections (JEP 269)][ListFactoryTest.md]

-  [Underscore ('_') identifier is removed][UnderscoreAsIdentifierTest.md]

-  [Example of Flow API(JEP 266 : Reactive streams)][FlowAPITest.md]

-  [Interface with 'private' method][InterfaceWithPrivateMethodTest.md]

#### JVM features 

-  [How JVM method-inline optimization works][NoClassInstance.md]

-  [Another example of JVM method-inline optimization][MethodInlineTest.md]

-  [Failed Hoisting example][FailedHoistingTest.md]

-  [Successful Hoisting example][SuccessfulHoistingTest.md]

-  [Another successful Hoisting example][AnotherSuccessfullHoistingTest.md]

-  [How JVM finds the HotSpot and converts them into native instruction using JIT compiler][FibonacciNumber.md]

-  [Object size at runtime][ObjectSizeTest.md]

-  [Primitive value size at runtime][PrimitiveVarsSizeTest.md]

-  [Unsafe objects using 'sun.misc.Unsafe' (Heap bypassing)][UnsafeObject.md]

-  [Example of System.identityHashCode][IdentityHashCode.md]

#### Util classes

-  [Usage of 'CopyOnWriteArrayList'][CowalTest.md]

-  [Performance testing of 'ConcurrantMap'][ConcurrantMapTest.md]

-  [Usage of 'WeakHashMap'][WeakHashMapTest.md]

#### Concurrency

-  [Usage of 'CountDownLatch'][CountDownLatchTest.md]

-  [Usage of 'CyclicBarrier'][CyclicBarrierTest.md]

-  [Usage of 'Exchanger'][ExchangerTest.md]

-  [Usage of 'Semaphore'][SemaphoreTest.md]

-  [Usage of 'Timer' and 'TimerTask'][TimerTest.md]

-  [Example of failed concurrency][FailedConcurrency.md]

-  [Example of successful concurrency][SuccessfullConcurrency.md]

-  [Example of Java Monitor Pattern][MonitorPatternTest.md]

-  [Example to find number of cores of a processor][AvailableProcessorTest.md]

-  [Example of blocking array implemented using 'ReentrantLock'][BlockingArray.md]

-  [Example of fork and join pool class 'ForkJoinPool'][ForkJoinPoolTest.md]

#### Data structures & algorithms

-  [Stack][Stack.md]

-  [Reverse a word using a stack][ReverseTheWord.md]

-  [Queue][Queue.md]

-  [Circular Queue][CircularQueue.md]

-  [Linked Queue][LinkedQueue.md]

-  [Priority Queue][PriorityQueue.md]

-  [Linear Search][LinearSearch.md]

-  [Binary Search][BinarySearch.md]

-  [Bubble Sort][BubbleSort.md]

-  [Insertion Sort][InsertionSort.md]

-  [Selection Sort][SelectionSort.md]

-  [Binary Tree][BinaryTree.md]

-  [Armstrong Number][ArmstrongNumber.md]

-  [Floyds Triangle][FloydsTriangle.md]

-  [Example on Hex Numbers][HexNumberTest.md]

-  [Example on Prime Numbers][PrimeNumbers.md]

-  [Example on Random Numbers][RandomNumbers.md]

-  [How to test a number is odd by using '%'][OddityTest.md]

-  [Check if a string is anagram][Anagram.md]

-  [Check if a string contains DuplicateChars][DuplicateChars.md]

-  [Get frequency of words in a string][WordFrequency.md]

-  [Get repeating and non repeating chars from a string][FirstNonRepeatingChar.md]

-  [Find the Levenshtein distance between two strings][LevenshteinDistanceTest.md]

#### Spark 

-  [Program to count 'words per statement'][JavaWordCount.md]

-  [Example of various spark functions][SparkKeyValueEx.md]

-  [Program to count 'words per statement', arrived on network socket][NetworkWordCount.md]

-  [Program to count 'products per country'][ProductsCountryCount.md]

#### Zookeeper 

-  [Program to test basic functionality of Zookeeper][ZkConnect.md]

[JavaWordCount.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/spark/JavaWordCount.java

[SparkKeyValueEx.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/spark/SparkKeyValueEx.java

[NetworkWordCount.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/spark/NetworkWordCount.java

[ProductsCountryCount.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/spark/ProductsCountryCount.java

[Anagram.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/Anagram.java

[IdentityHashCode.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/IdentityHashCode.java

[DuplicateChars.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/DuplicateChars.java

[WordFrequency.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/WordFrequency.java

[FirstNonRepeatingChar.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/FirstNonRepeatingChar.java

[LevenshteinDistanceTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/string/LevenshteinDistanceTest.java

[NoClassInstance.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/puzzle/NoClassInstance.java

[PowerServiceImpl.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/rmi/PowerServiceImpl.java

[JShellTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/JShellTest.java

[VarHandleTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/VarHandleTest.java

[ListFactoryTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/ListFactoryTest.java

[UnderscoreAsIdentifierTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/UnderscoreAsIdentifierTest.java

[FlowAPITest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/FlowAPITest.java

[FailedHoistingTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/FailedHoistingTest.java

[SuccessfulHoistingTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/SuccessfulHoistingTest.java

[AnotherSuccessfullHoistingTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/AnotherSuccessfullHoistingTest.java

[MethodInlineTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/MethodInlineTest.java

[UnsafeObject.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/UnsafeObject.java

[FibonacciNumber.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/runtime/jit/FibonacciNumber.java

[NestedClassTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/lang/NestedClassTest.java

[ObjectSizeTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/memory/ObjectSizeTest.java

[PrimitiveVarsSizeTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/memory/PrimitiveVarsSizeTest.java

[OutOfMemoryErrorSim.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/memory/OutOfMemoryErrorSim.java

[CowalTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/collection/CowalTest.java

[AvailableProcessorTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/AvailableProcessorTest.java

[BlockingArray.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/BlockingArray.java

[ForkJoinPoolTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/ForkJoinPoolTest.java

[CountDownLatchTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/CountDownLatchTest.java

[CyclicBarrierTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/CyclicBarrierTest.java

[ExchangerTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/ExchangerTest.java

[SemaphoreTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/SemaphoreTest.java

[FailedConcurrency.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/FailedConcurrency.java

[SuccessfullConcurrency.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/SuccessfullConcurrency.java

[MonitorPatternTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/MonitorPatternTest.java

[TimerTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/concurrency/TimerTest.java

[Stack.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/stack/Stack.java

[ReverseTheWord.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/stack/ReverseTheWord.java

[ReverseTheWord.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/stack/ReverseTheWord.java

[Queue.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/queue/Queue.java

[CircularQueue.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/queue/CircularQueue.java

[LinkedQueue.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/queue/LinkedQueue.java

[PriorityQueue.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/queue/PriorityQueue.java

[BinarySearch.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/search/BinarySearch.java

[LinearSearch.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/search/LinearSearch.java

[BubbleSort.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/sort/BubbleSort.java

[InsertionSort.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/sort/InsertionSort.java

[SelectionSort.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/sort/SelectionSort.java

[BinaryTree.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ds/tree/BinaryTree.java

[MethodHandleTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk7/MethodHandleTest.java

[DiamondOperatorTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/DiamondOperatorTest.java

[SafeVarargsAnnotationTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk7/SafeVarargsAnnotationTest.java

[InterfaceWithMainTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/InterfaceWithMainTest.java

[InterfaceWithStaticMethod.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/funcinterf/InterfaceWithStaticMethod.java

[ClassWithDefaultMethodUsage.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/funcinterf/ClassWithDefaultMethodUsage.java

[InterfaceWithPrivateMethodTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk9/InterfaceWithPrivateMethodTest.java

[FunctionalInterfaceTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/funcinterf/FunctionalInterfaceTest.java

[PredicateTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/functions/PredicateTest.java

[ComparatorTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/lambda/ComparatorTest.java

[ForEachTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/lambda/ForEachTest.java

[ThreadSleepTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/lambda/ThreadSleepTest.java

[TestMethodPerf.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/lambda/perf/TestMethodPerf.java

[TestMethodPerf.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/lambda/perf/TestMethodPerf.java

[ListStreamTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/jdk8/streams/ListStreamTest.java

[ArmstrongNumber.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/number/ArmstrongNumber.java

[FloydsTriangle.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/number/FloydsTriangle.java

[HexNumberTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/number/HexNumberTest.java

[PrimeNumbers.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/number/PrimeNumbers.java

[RandomNumbers.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/number/RandomNumbers.java

[OddityTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/puzzle/OddityTest.java

[EnumSingletonTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/pattern/EnumSingletonTest.java

[NativeCalc.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/perf/NativeCalc.java

[ConcurrantMapTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ref/ConcurrantMapTest.java

[WeakHashMapTest.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/ref/WeakHashMapTest.java

[ZkConnect.md]: https://github.com/inbravo/java-src/blob/master/src/main/java/com/inbravo/zookeeper/ZkConnect.java