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public class Printer {
	
	int println(int value){
		System.out.println(value);
		return value;
	}
	
	boolean println (boolean value) {
		System.out.println(value);
		return value;
	}
	
	 double println (double value) {
		System.out.println(value);
		return value;
	}
	
	 String println (String value) {
		System.out.println(value);
		return value;
	}
}
public class PrinterExample {
	public static void main(String[] args) {
		Printer printer = new Printer();
		printer.println(10);
		printer.println(true);
		printer.println(5.7);
		printer.println("홍길동");
	}
}
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