Скачать или смотреть Java Stream Api | Stock Market Profit Example

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In this Video we will see java stream api coding example and lambda expression.

Here we will find the stock with the maximum profit using Java Stream API. We will calculate the profit for each stock by subtracting the buy price from the sell price, and then find the stock with the maximum profit.


First, ensure the Stock class has a constructor and getters for its fields. For that we have used lombok API.
Then, we used the Stream API to find the stock with the maximum profit.

In the Stock Class we have added a getProfit method to calculate the profit.

Thenb we used the stream() method on the list of stocks using Java Stream API.

Here Comparator.comparingLong compared stocks based on their profit using Stock::getProfit. and the max method found the stock with the maximum profit.
For exception handling we used orElseThrow to Threw an exception if no stocks were available (though this shouldn't happen with the provided list).

This code will print the stock with the maximum profit and the profit value.

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In this series we will cover all the below function with real coding examples.
filter
flatMap
distinct
sorted
reduce
allMatch
anyMatch
noneMatch
findFirst
findAny
skip
limit
groupingBy
partitioningBy
summingInt
summingLong
summingDouble
averagingInt
averagingLong
averagingDouble
summarizingInt
summarizingLong
summarizingDouble
range
rangeClosed
peek
spliterator
parallel
unordered
takeWhile
dropWhile
onClose
isParallel
iterator
flatMapToInt
flatMapToLong
flatMapToDouble
summaryStatistics
collectingAndThen
distinctByKey
toConcurrentMap
isFinite
parallelStream
toUnmodifiableList
toUnmodifiableSet
toUnmodifiableMap
toUnmodifiableCollection
distinctByProperty
flatMapToObj
toUnmodifiableSet
forEachOrdered
ofNullable
mapToInt
mapToLong
mapToDouble
boxed

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