Java Utililty Methods String Whitespace Delete

List of utility methods to do String Whitespace Delete

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Description

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

Method

StringdeleteWhitespace(CharSequence sequence)
delete Whitespace 
if (!hasLength(sequence)) {
    return EMPTY;
StringBuilder sb = new StringBuilder(sequence.length());
for (int i = 0; i < sequence.length(); i++) {
    char currentChar = sequence.charAt(i);
    if (!Character.isWhitespace(currentChar)) {
        sb.append(currentChar);
...
StringdeleteWhitespace(CharSequence str)
delete Whitespace 
StringBuilder sb = new StringBuilder(str.length());
for (int i = 0; i < str.length(); i++) {
    char c = str.charAt(i);
    if (i > 0 && Character.isWhitespace(c) && Character.isWhitespace(str.charAt(i - 1)))
        continue;
    if (c == '\r' || c == '\n') {
        sb.append(' ');
        continue;
...
StringdeleteWhitespace(final String s)

Deletes all whitespaces from a String as defined by Character#isWhitespace(char) . 

if (isEmpty(s)) {
    return s;
final int sz = s.length();
final char[] chs = new char[sz];
int count = 0;
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(s.charAt(i))) {
...
StringdeleteWhitespace(final String str)
delete Whitespace 
if (str == null || str.isEmpty()) {
    return str;
final int sz = str.length();
final char[] chs = new char[sz];
int count = 0;
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
...
StringdeleteWhitespace(String s)
delete Whitespace 
final String result;
if (s == null) {
    result = null;
} else {
    final StringBuilder sb = new StringBuilder();
    for (int i = 0; i < s.length(); i++) {
        final char c = s.charAt(i);
        if (!Character.isWhitespace(c)) {
...
StringdeleteWhiteSpace(String s)
delete White Space 
StringBuilder r = new StringBuilder();
if (s != null) {
    for (int i = 0; i < s.length(); i++) {
        if (!Character.isWhitespace(s.codePointAt(i))) {
            r.append(s.charAt(i));
return r.toString();
StringdeleteWhitespace(String str)
delete Whitespace 
if (str == null) {
    return null;
int sz = str.length();
StringBuffer buffer = new StringBuffer(sz);
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
        buffer.append(str.charAt(i));
...
StringdeleteWhitespace(String str)

Deletes all whitespaces from a String as defined by Character#isWhitespace(char) . 

if (isBlank(str)) {
    return str;
int sz = str.length();
char[] chs = new char[sz];
int count = 0;
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
...
StringdeleteWhitespace(String str)
delete Whitespace 
if (isEmpty(str)) {
    return str;
int sz = str.length();
char[] chs = new char[sz];
int count = 0;
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
...
StringdeleteWhitespace(String str)

Deletes all whitespaces from a String as defined by Character#isWhitespace(char) .

 StringUtils.deleteWhitespace(null)         = null StringUtils.deleteWhitespace("")           = "" StringUtils.deleteWhitespace("abc")        = "abc" StringUtils.deleteWhitespace("   ab  c  ") = "abc" 
if (isEmpty(str)) {
    return str;
int sz = str.length();
char[] chs = new char[sz];
int count = 0;
for (int i = 0; i < sz; i++) {
    if (!Character.isWhitespace(str.charAt(i))) {
...