Java Utililty Methods String Double Quote

List of utility methods to do String Double Quote

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Description

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

Method

StringdoubleQuote(String value)
Double quote the given string; double quotes are escaped. 
return quote(value, '"');
StringdoubleQuote(String x)
double Quote 
return enclose(x, "\"");
StringdoubleQuoted(String string)
double Quoted 
return "\"" + string.replaceAll("\"", "\\\"") + "\"";
StringdoubleQuotedString(String str)
double Quoted String 
StringBuilder result = new StringBuilder("\"");
for (int i = 0; i < str.length(); i++) {
    char ch = str.charAt(i);
    if (ch == '\n') {
        result.append("\\n");
        continue;
    if (ch == '\r') {
...
StringdoublequoteEncode(String str)
Doubles every " mark in the string. 
StringBuffer buf = new StringBuffer(str.length());
for (int i = 0; i < str.length(); i++) {
    if (str.charAt(i) == '"') {
        buf.append("\"\"");
    } else {
        buf.append(str.charAt(i));
return buf.toString();
StringdoubleQuoteIfNecessary(String string)
Returns a double-quoted String if the said String contains white-space. 
return string != null && string.contains(" ") && !string.startsWith("\"") && !string.endsWith("\"")
        ? "\"" + string + "\""
        : string;
StringdoubleQuoteIfNotNull(String str)
double Quote If Not Null 
return str = (str != null) ? str = "\"" + str + "\"" : null;
StringdoubleQuotes(CharSequence stringToDoubleQuote, boolean escapeDoubleQuote)
Double quotes the given string (eg. 
return "\"" + (escapeDoubleQuote ? escapeDoubleQuote(stringToDoubleQuote) : stringToDoubleQuote) + "\"";
StringdoubleQuotes(final String s)
Returns a string with double quotes at the beginning and at the end of the string. 
if (s == null) {
    return null;
return '"' + s + '"';