Printing BigIntegers in Eclipse

gistfile1.java

import java.math.BigInteger;
import org.junit.Assert;
import org.junit.Test;

public class BigIntegerTest
{
    @Test
    public void whyNoPrint() {
        BigInteger canPrint = BigInteger.ONE;
        
        // factorial
        long i=1;
        for (; i < 1677; i++) {
            canPrint = canPrint.multiply(BigInteger.valueOf(i));
        }
        
        // multiple by 1678
        BigInteger wontPrint = canPrint.multiply(BigInteger.valueOf(i));
        
        // divide by 1678
        BigInteger backtolast = wontPrint.divide(BigInteger.valueOf(i));
        Assert.assertEquals(backtolast, canPrint); // Asserts successful
        
        String canPrintNumbers = canPrint.toString();
        String wontPrintNumbers = wontPrint.toString();
        
        System.out.println(String.format("String length of BigInteger that prints %d", canPrintNumbers.length())); 
        System.out.println(String.format("String length of BigInteger that won't print %d", wontPrintNumbers.length()));
        
        // break up the lengthy BigInt into the length of the longest BigInteger that prints
        int x = 0;
        int charactersToOutput = canPrintNumbers.length();
        int lineNumber = 1;
        while (x < wontPrintNumbers.length()) {
            System.out.println(String.format("%d: %s", lineNumber++, wontPrintNumbers.substring(x, x + charactersToOutput)));
            x += charactersToOutput;
            
            if(x + charactersToOutput > wontPrintNumbers.length()) {
                charactersToOutput = wontPrintNumbers.length() - x;
            }
        }
        
        // Output:
        // > String length of BigInteger that prints 4679
        // > String length of BigInteger that won't print 4682
        // > 1: 1743724562067078312824928050733452436910119362165867836282005427753389374889207158679815660777.....
        // > 2: 000

        // Max length of an eclipse String must be 4680 characters /shrug! 
    }
}