Java Utililty Methods Number Divide

if (clazz == Double.class)
    return (T) Double.valueOf(a.doubleValue() / b.doubleValue());
if (clazz == Float.class)
    return (T) Float.valueOf(a.floatValue() / b.floatValue());
if (clazz == Integer.class)
    return (T) Integer.valueOf(a.intValue() / b.intValue());
if (clazz == BigDecimal.class)
    return (T) ((BigDecimal) a).divide((BigDecimal) b);
...

BigDecimal bdA = new BigDecimal(a);
BigDecimal bdB = new BigDecimal(b);
return bdA.divide(bdB, len, BigDecimal.ROUND_HALF_UP).doubleValue();

return div(operand1, operand2, 10);

return div(v1, v2, DEF_DIV_SCALE);

return div(v1, v2, DEFAULT_DIV_SCALE);

if (v1 == null) {
    v1 = 0d;
if (v2 == null) {
    v2 = 0d;
double s1 = v1, s2 = v2;
return div(s1, s2, 4);
...

BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.divide(b2, 0, BigDecimal.ROUND_DOWN).doubleValue();

if (scale < 0) {
    throw new IllegalArgumentException("The scale must be a positive integer or zero");
BigDecimal b1 = new BigDecimal(Double.toString(v1));
BigDecimal b2 = new BigDecimal(Double.toString(v2));
return b1.divide(b2, scale, BigDecimal.ROUND_HALF_UP).doubleValue();

BigDecimal b1 = new BigDecimal(v1);
BigDecimal b2 = new BigDecimal(v2);
return b1.divide(b2, 0, BigDecimal.ROUND_HALF_UP).longValue();

if (a == null || b == null) {
    return null;
BigDecimal decimalA = decimal(a);
BigDecimal decimalB = decimal(b);
try {
    return decimalA.divide(decimalB);
} catch (ArithmeticException ex) {
...