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Java > Learn Core Java > What is the purpose of core Java?
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What is the purpose of core Java?

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Core Java is used to build simple, standalone software applications that work on any computer. It helps in creating programs that are easy to write, fix, and update. Core Java is the foundation for making bigger apps like websites, mobile apps, or business software. It also includes tools to work with...
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Core Java is used to build simple, standalone software applications that work on any computer. It helps in creating programs that are easy to write, fix, and update. Core Java is the foundation for making bigger apps like websites, mobile apps, or business software. It also includes tools to work with data, networks, and files. It’s simple, reliable, and works on all platforms.

Real-Time Example:

Imagine an ATM system.

  • Core Java can be used to write the backend logic, like verifying your PIN, checking your account balance, and processing transactions.
  • Its portability ensures the same program runs on different ATM machines regardless of the operating system.

Core Java is essential for building real-world applications like billing systems, calculators, or even simple games, making it a vital skill for developers.

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