Java Utililty Methods String Pad Zero

List of utility methods to do String Pad Zero

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Description

The list of methods to do String Pad Zero are organized into topic(s).

Method

StringzeroPad(String string, int digits)
zero Pad 
while (string.length() < digits)
    string = "0" + string;
return string;
StringzeroPadAfterTo(String hex, int i)
zero Pad After To 
if (hex.length() == i) {
    return hex;
} else if (hex.length() > i) {
    throw new AssertionError();
StringBuilder sb = new StringBuilder();
for (int j = 0; j < i - hex.length(); j++) {
    sb.append('0');
...
StringzeroPadding(String str, int len)
Converts the string to "zero-padded" string 
StringBuffer buffer = new StringBuffer(str);
for (int i = 0; i < len - str.length(); i++) {
    buffer.insert(0, '0');
return buffer.toString();
StringzeroPadding(String value, int n)
zero Padding 
if (value.length() > n)
    return value;
StringBuilder sb = new StringBuilder();
for (int i = 0; i < n - value.length(); i++) {
    sb.append("0");
sb.append(value);
return sb.toString();
...
StringzeroPadLeft(String s, final int len)
zero Pad Left 
s = s.trim();
if (s.length() > len) {
    return s;
int fll = len - s.length();
final char[] charArray = new char[len];
int index = 0, res = fll / 65;
while (res > 0) {
...
StringzeropadRight(String s, int len)
zeropad Right 
StringBuilder d = new StringBuilder(s);
while (d.length() < len)
    d.append('0');
return d.toString();
StringzeroPadSSN(String ssn)
zero Pad SSN 
int ssnInt = Integer.parseInt(ssn);
return String.format("%09d", ssnInt);
StringzeroPadString(String string, int length)
Pads the supplied String with 0's to the specified length and returns the result as a new String. 
StringBuffer buf = new StringBuffer(length);
buf.append(zeroArray, 0, length - string.length()).append(string);
return buf.toString();
StringzeroPadString(String string, int length)
Pads the supplied String with 0's to the specified length and returns the result as a new String. 
if (string == null || string.length() > length) {
    return string;
StringBuilder buf = new StringBuilder(length);
buf.append(zeroArray, 0, length - string.length()).append(string);
return buf.toString();
StringzeroPadString(String string, int length)
zero Pad String 
if (string == null || string.length() > length) {
    return string;
StringBuilder buf = new StringBuilder(length);
buf.append(zeroArray, 0, length - string.length()).append(string);
return buf.toString();