biginteger in java parse string code example

Example 1: transformer un string en Biginteger java

foo = new String(bi.toByteArray());

Example 2: transformer un string en Biginteger java

public BigInteger toBigInteger(String foo)
{
    return new BigInteger(foo.getBytes());
}

public String fromBigInteger(BigInteger bar)
{
    return new String(bar.toByteArray());
}