Thought Java was ‘free’? Think again

Thought Java was ‘free’? Think again (and you owe us $$$ in 2017)…

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Java’s Sealed Classes

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may extend it. Sealed classes, like enums, capture alternative... (more…)

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