/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.math.BigDecimal;
import java.math.RoundingMode;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		int position;
		BigDecimal[] numbers = {new BigDecimal("12345.0"), new BigDecimal("1234567.0"),
		    new BigDecimal("0.12345"), new BigDecimal("0.1"),
		    new BigDecimal("0.0012345"), new BigDecimal("123.5"), new BigDecimal("12.5"),
		    new BigDecimal("1234500000.0000000012345")};
 
		for (BigDecimal number : numbers) {
		    System.out.println(number);
		    String leftPart = String.valueOf(number).replaceAll("^(\\d+)\\.\\d+", "$1");
		    String rightPart = String.valueOf(number).replaceAll("^\\d+\\.(\\d+)", "$1");
		    int left = leftPart.length();
		    int right = rightPart.length();
		    if (Integer.parseInt(leftPart) == 0) {
		        position = 6 + rightPart.replaceAll("^([0]*).*", "$1").length();
		    } else {
		        position = 5;
		    }
		    if (left <= position) {
		        number = number.add(new BigDecimal(Math.pow(0.1, position - left)));
		    } else {
		        number = number.add(new BigDecimal(Math.pow(10, left - position)));
		    }
		    System.out.println(number.setScale(right > 5 ? right : 5, RoundingMode.DOWN) + "\n..................................");
		}
	}
}

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