Java--from first steps to first apps Knowing Java is a must-have programming skill for any programmer.
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It\'s also the language of choice in AP Computer Science classes taught in the U.
S.
The language regularly ranks #1 in surveys of the most popular language based on number of developers, lines of code written, and real-world usage.
It\'s used in a wide array of programming projects--from enterprise apps and mobile apps to big data, scientific, and financial uses.
Java--from first steps to first apps Knowing Java is a must-have programming skill for any programmer