Java Utililty Methods String Sub String

List of utility methods to do String Sub String

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Description

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

Method

Stringsubstring(String str, int start, int end)
substring 
if (str == null)
    return null;
byte[] data = str.getBytes();
if (data.length < start) {
    return "";
int realEnd = end >= data.length ? data.length : end;
int length = realEnd - start;
...
Stringsubstring(String str, int start, int end)
Find substring of a string. 
String result = "";
if (str != null) {
    try {
        result = str.substring(start, end);
    } catch (Exception e) {
return result;
...
StringsubString(String str, int start, int end)
sub String 
int strLen = str.length();
start = start > strLen ? strLen : start;
start = start > 0 ? start : 0;
if (end == -1) {
    end = strLen;
} else {
    end = end > strLen ? strLen : end;
return str.substring(start, end);
Stringsubstring(String str, int toCount)
substring 
if (str == null)
    return "";
int reInt = 0;
StringBuilder reStr = new StringBuilder();
char[] tempChar = str.toCharArray();
int len = tempChar.length;
for (int kk = 0; (kk < len && toCount > reInt); kk++) {
    char currentChar = tempChar[kk];
...
Stringsubstring(String str, int toCount, String more)
substring 
int reInt = 0;
String reStr = "";
if (str == null)
    return "";
char[] tempChar = str.toCharArray();
for (int kk = 0; (kk < tempChar.length && toCount > reInt); kk++) {
    String s1 = str.valueOf(tempChar[kk]);
    byte[] b = s1.getBytes();
...
Stringsubstring(String str, String delim)
substring 
return substring(str, delim, false);
StringsubString(String string, int beginIndex, int length)
Gets the sub string of the given string. 
final int endIndex = beginIndex + length;
if (beginIndex >= string.length()) {
    return EMPTY;
if (endIndex > string.length()) {
    return string.substring(beginIndex, string.length());
return string.substring(beginIndex, endIndex);
...
StringsubString(String string, int index)
sub String 
if (string == null)
    return null;
return string.substring(index);
Stringsubstring(String string, int init, int end)
Extrae una subcadena, donde los indices pueden ser negativos 
if (init < 0) {
    init += string.length();
if (end < 0) {
    end += string.length();
return string.substring(init, end);
Stringsubstring(String string, int maxChars, String suffix)
substring 
if (string.length() > maxChars) {
    return string.substring(0, maxChars - 1) + suffix;
return string;