🔹 System
A built-in class in Java that belongs to the package java.lang.
It contains useful tools for interacting with the system — like input/output, error handling, etc.
It has a special member called out that helps send output to the screen.
🔹 out
A static object inside the System class.
It represents the standard output stream — usually your terminal or console.
It is of type PrintStream.
💡 Imagine out as Java’s speaker 📢 — whatever you send here gets spoken (printed) to your screen.
🔹 println
A method of PrintStream class (which out is an object of).
println stands for print line.
It prints the message and then moves to the next line (like pressing Enter).
💡 If print() is like typing on the same line, println() presses Enter after printing.
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