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What is the role of the project SDK in IntelliJ IDEA?

What is the role of the project SDK in IntelliJ IDEA?

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Noel KAMPHOA @nkamphoa ·

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Learn how to format numbers in Java using NumberFormat and DecimalFormat, including currency, percentages, and custom symbols.
https://nkamphoa.com/format-numbers-in-java/

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