java-stream Questions

How to reach an upper element in JSON with Java streams

April 11, 2024
Joel Andersson
2 Answers

How can I reach a value of element "itemid" which has login "peter" and status "SLEEP" using streams in Java? Already I have a Jackson library and POJO classes in my project. [ { "itemid": "bf47", "name": "test", "workers": […

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Json – GroupingBy in Java 8 Streams with more than 3 levels of grouping

December 30, 2023
CodeFromSverige
2 Answers

I need to generate an output json like below { "account":{ "Alpha":{ "OLD":{ "long":"zerozerooneO", "short":"001O" }, "NEW":{ "long":"zerozerooneN", "short":"001N" } }, "Beta":{ "OLD":{ "long":"zerozerooneO", "short":"001O" }, "NEW":{ "long":"zerozerooneN", "short":"001N" } } } } From a List of object with sample…

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