What programming language is best for me?

I want to be able to make mods for games, such as minecraft, or civilization 5 or skyrim, and to be able to make miniature anti virus programs and something that is modern and will not be obsolete for years to come. Something that will also be considered a real world skill. Would would the best choice be? It doesn't have to meet all of the goals, i want it to be modern for sure

JAVA

It would appear that the Modern Game is not written in a single language.
Each element may do best in a specific language that are all assembled into the one game.

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