Java Utililty Methods String Pad Left

List of utility methods to do String Pad Left

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Description

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

Method

StringleftPad(String str, int size)
left Pad 
return leftPad(str, size, ' ');
StringleftPad(String str, int size)
left Pad 
return leftPad(str, size, ' ');
StringleftPad(String str, int size)
Left pad a String with spaces. 
return leftPad(str, size, SPACE);
StringleftPad(String str, int size)
left Pad 
return leftPad(str, size, ' ');
StringleftPad(String str, int size, char padChar)
left Pad 
String _return = str;
while (_return.length() < size) {
    _return = padChar + _return;
return _return;
StringleftPad(String str, int size, String delim)
left Pad 
size = (size - str.length()) / delim.length();
if (size > 0) {
    str = repeat(delim, size) + str;
return str;
StringleftPad(String str, int size, String padStr)

Left pad a String with a specified String.

Pad to a size of size .

 StringUtils.leftPad(null, *, *)      = null StringUtils.leftPad("", 3, "z")      = "zzz" StringUtils.leftPad("bat", 3, "yz")  = "bat" StringUtils.leftPad("bat", 5, "yz")  = "yzbat" StringUtils.leftPad("bat", 8, "yz")  = "yzyzybat" StringUtils.leftPad("bat", 1, "yz")  = "bat" StringUtils.leftPad("bat", -1, "yz") = "bat" StringUtils.leftPad("bat", 5, null)  = "  bat" StringUtils.leftPad("bat", 5, "")    = "  bat" 
if (str == null) {
    return null;
if (isEmpty(padStr)) {
    padStr = " ";
int padLen = padStr.length();
int strLen = str.length();
...
StringleftPad(String str, int size, String padStr)

Left pad a String with a specified String.

Pad to a size of size.

 StringUtils.leftPad(null, *, *)      = null StringUtils.leftPad("", 3, "z")      = "zzz" StringUtils.leftPad("bat", 3, "yz")  = "bat" StringUtils.leftPad("bat", 5, "yz")  = "yzbat" StringUtils.leftPad("bat", 8, "yz")  = "yzyzybat" StringUtils.leftPad("bat", 1, "yz")  = "bat" StringUtils.leftPad("bat", -1, "yz") = "bat" StringUtils.leftPad("bat", 5, null)  = "  bat" StringUtils.leftPad("bat", 5, "")    = "  bat" 
if (str == null) {
    return null;
if (isEmpty(padStr)) {
    padStr = " ";
int padLen = padStr.length();
int strLen = str.length();
...
StringleftPad(String str, int width, char c)
left Pad 
int len = str.length();
if (width <= len)
    return str;
int pad = width - len;
StringBuffer buf = new StringBuffer(width);
for (int i = 0; i < pad; ++i)
    buf.append(c);
buf.append(str);
...
StringleftPad(String str, int width, char padding)
left Pad 
StringBuilder buff = new StringBuilder();
for (int i = 0; i < width; ++i) {
    buff.append(padding);
buff.append(str);
return buff.substring(buff.length() - width);