import java.math.BigDecimal;
 
class DecimalTest {
 
	static int integerDigits(BigDecimal n) {
		System.out.println("precision: " + n.precision() + " - scale: " + n.scale());
    	return n.signum() == 0 ? 1 : n.precision() - n.scale();
	}
 
	static void check(BigDecimal n) {
		System.out.println(n + " : " + integerDigits(n));
	}
 
	static public void main(String[] args) {
		check(new BigDecimal("999999.99999"));
		check(new BigDecimal("999999.999"));
		check(new BigDecimal("999999.9"));
		check(new BigDecimal("999999"));
		check(new BigDecimal("-999999"));
		check(new BigDecimal("100"));
		check(new BigDecimal("100.000"));
		check(new BigDecimal("1234567890"));
		check(new BigDecimal("0"));
		check(new BigDecimal("0.0000"));
	}
}
 

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