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Java Snippets Have Memory

A demonstration of how non-initialisation of variables in a java snippet can lead to unexpected results, but also potentially can be exploited to "retain memory" acquired from previous rows



Sample DataIncorrect variable initialisationCalculate a cumulative sum!Correct variable initialisationLag column!Progressive ConcatenationSequence within groupCounter GenerationTable Creator Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet Sample DataIncorrect variable initialisationCalculate a cumulative sum!Correct variable initialisationLag column!Progressive ConcatenationSequence within groupCounter GenerationTable Creator Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet Java Snippet

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Created by: @takbb Brian Bates
Created at: 2021-05-22
On NodePit since: 2022-02-06
Last update: 2024-05-02
Created with KNIME version: v4.3.2
Tags: java snippet

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