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import java.io.FileOutputStream;
import java.util.Formatter;
public class Main {
public static void main(String[] argv) throws Exception {
Formatter fmtCon = new Formatter(System.out);
Formatter fmtFile = new Formatter(new FileOutputStream("test.fmt"));
fmtCon.format("a negative number: %(.2f\n\n", -123.34);
fmtCon.format("%8s %8s\n", "Value", "Square");
for (int i = 1; i < 20; i++)
fmtCon.format("%8d %8d\n", i, i * i);
// write to the file.
fmtFile.format("This is a negative number: %(.2f\n\n", -123.34);
fmtFile.format("%8s %8s\n", "Value", "Square");
for (int i = 1; i < 20; i++)
fmtFile.format("%8d %8d\n", i, i * i);
fmtFile.close();
if (fmtFile.ioException() != null) {
System.out.println("File I/O Error Occurred");
}
}
}
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