Java17 upgrade#79

Merged

rostam merged 9 commits intomasterfrom

Mar 16, 2026

Commits on Mar 16, 2026

Modernize Java code: remove legacy APIs and improve type safety

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Upgrade Java source/target and CI from 11 to 17

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Remove BareBonesBrowserLaunch dead code, use Desktop API directly

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Step 1: Extract EdgePartitionIndexBase to eliminate duplication in 6 index reports

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Step 2: Eliminate duplicate setPositions and action boilerplate in graph products

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Step 3: Extract SubdividedGraphBase to eliminate duplication across TotalGraph, EdgeSemitotalGraph, VertexSemitotalGraph

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Step 4: Add default checkParameters() to Parametrizable; remove trivial overrides

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Step 6: Add AlgorithmUtils.spectralEnergy() and simplify 4 spectral energy reports

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Step 7: Add AlgorithmUtils.getAllPairsDistances(), fix NotifiableAttributeSetImpl.put()

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