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Lambdas and Streams
Lambdas, concurrency, date/time, etc
Best this year
'forEach(java.util.function.Consumer)' in 'java.lang.Iterable' cannot be applied
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How does one debug a stream pipeline?
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Before Java8 did functional programming not exist in Java or was possible by passing anonymous class
28 replies
Why doesn't reduce() throw a Runtime exception on an empty stream instead of returning the identity?
26 replies
1
what does it mean that "method reference needs an explicit target-type"?
29 replies
Can you add to a stream? Otherwise, of what use is an empty stream...
21 replies
2
Why are methods like forEach called higher order function instead of higher order methods?
22 replies
2
Lambdas and Streams
Concurrency and Streams and parallel(). Is this the correct understanding?
31 replies
How does one implement and call one's own Functional Interface?
15 replies
* Welcome Venkat Subramaniam
18 replies
1
What is the purpose of a combiner - isn't the accumulator sufficient?
11 replies
2
Reduce Stream to Contain Last Element Only
9 replies
1
Trying to understand how the datatypes are determined in this reduce()
4 replies
1
don't understand how final is applied in this case
6 replies
Lambdas and Streams
Threads in streams
11 replies
TDD and Functional Programming
6 replies
Lambdas and Streams
How can i handle to get result from completableFuture without block ?
7 replies
Functional Interfaces P435 OCP Java SE17 Developer Study Guide
4 replies
Java vs Scala vs Kotlin vs Groovy vs Clojure as a Functional Programming language on the JVM
4 replies
* Winners: Functional Programming in Java: Harness the Power of Streams and Lambda Expression
2 replies
1
More »
Best this month
How does one debug a stream pipeline?
21 replies
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More »
Lambdas and Streams Forum at JavaRanch
Optional question
1 year ago
18 replies
What does the Stream API's map() method pass in?
1 year ago
4 replies
how to rewrite this using streams?
1 year ago
17 replies
2
Example code to call a service and fetch JWT Token
1 year ago
5 replies
Clarification of Map function using reduce
1 year ago
5 replies
Real world Scenario for s->{}
1 year ago
11 replies
Target type of a lambda conversion must be an interface
1 year ago
8 replies
Generate possible unique combinations from integer array
2 years ago
2 replies
Transforming a list into sublists using streams
2 years ago
6 replies
Finding the method used in a method reference or lambda expression
2 years ago
1 reply
Lambdas and Streams
Lambda Expressions explanation please
2 years ago
1 reply
Streams parallel operation resulting in a serial like operation
2 years ago
1 reply
Am I Just Streams Happy? Is this decent code?
2 years ago
31 replies
Lambdas and Streams
Yikes!! This explanation of .flatMapToInt() .flatMapToDouble() .flatMapToLong() seems very wrong!
2 years ago
8 replies
Stateful and Stateless Intermediate Stream Operations -- Too Essential To Ignore
2 years ago
5 replies
1
More Stream Goodness But LVTI evaded me!
2 years ago
6 replies
Falling in Love With Streams
2 years ago
1 reply
Lambdas and Streams
How to create a stream of objects inside a collectio of yet another collection ?
2 years ago
5 replies
Re-ordering in streams??
2 years ago
4 replies
Flatmap and Arrays
2 years ago
37 replies
OptionalInt/OptionalDouble/OptionalLong .orElse() vs. .orElseGet()
2 years ago
6 replies
Simplest Stream Type Conversions
2 years ago
1 reply
Giving Streams The Least Work To Do
2 years ago
13 replies
1
Find common elements between 2 lists where list elements are objects
2 years ago
16 replies
This Optional presentation should be Required
2 years ago
5 replies
Optional example
2 years ago
3 replies
instance mathod and method reference
2 years ago
14 replies
Misinformation Abounding in Method Reference Return Types
2 years ago
6 replies
Some theoretical questions
2 years ago
5 replies
Is filter an aggregate operation?
2 years ago
6 replies
1
Consumer andThen example
2 years ago
5 replies
Sorting based on method reference
2 years ago
8 replies
flatmap example
2 years ago
5 replies
Lambdas and Streams
Java Stream Distinct Values Within List of Objects
3 years ago
7 replies
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