����� Formated I/O

[Admin]

Formatter()

Formatter(Appendable buf)

Formatter(Appendable buf,Locale loc)

Formatter(Sring filename)
Throws FileNotFoundException, UnsuportedEncodingExcepion

Formatter(File outF)
Throws FileNotFoundException

Formatter(OutputStream outStrm)

[Admin]

package printf;

import java.util.Formatter;
import static java.lang.System.out;
public class exam1 {


public static void main(String [] args) {

Formatter fmt = new Formatter();
out.println(fmt.format("Formatting %s is easy %d %f", "���ʴ�", 10, 98.6));

}

}




�š���ѹ
Formatting ���ʴ� is easy 10 98.600000

[Admin]

Formatter fmt = new Formatter();
out.println(fmt.format("Formatting %s is easy %d %f", "���ʴ�", 98.6, 10));


Exception in thread "main" java.util.IllegalFormatConversionException: d != java.lang.Double
at java.util.Formatter$FormatSpecifier.failConversion(Unknown Source)
at java.util.Formatter$FormatSpecifier.printInteger(Unknown Source)
at java.util.Formatter$FormatSpecifier.print(Unknown Source)
at java.util.Formatter.format(Unknown Source)
at java.util.Formatter.format(Unknown Source)
at printf.exam1.main(exam1.java:11)

[Admin]

Formatter fmt = new Formatter();

fmt.format("Formatting %S is easy %d %d", "���ʴ�", 10, (int)98.6);

System.out.println(fmt);

[Admin]

float xx =123456.789987f;
fmt.format("OLD %f \nNEW %.2f ", xx,xx);
out.println(fmt);

OLD 123456.789063
NEW 123456.79 //�ѹ�лѴ���

<hr size="2" width="100%">
float xx =1234.56712f;
out.println("Original : "+xx);
fmt.format("OLD %f \nNEW[.2] %.2f \nNEW[.3] %.3f ", xx,xx,xx);
out.println(fmt);
------------------------------
Original : 1234.5671
OLD 1234.567139
NEW[.2] 1234.57 // �Ѵ������е�ǵ��令�� 7
NEW[.3] 1234.567 // �Ѵŧ���е�ǵ��令�� 1

������ 5 ���

Original : 1234.5651 // �� 1 ��ѧ 5 �Ѵ���
NEW[.2] 1234.57

Original : 1234.565 // ������Ţ��ͷ��� 5 �Ѵŧ
NEW[.2] 1234.56

[Admin]

fmt.format("NEW[.2] |%10.2f| ",xx);
out.println(fmt);

Original : 1234.5651
NEW[.2] | 1234.57|