Converting Unicode to string and String to Unicode in Java

Question

How can I convert this string: This string contains the unicode character unicodetoString("\u0064") and string to unicode like stringtounicode("a")?

public static String GetUnicode(String str_code) {          
String hexCode = Integer.toHexString(str_code.codePointAt(0)).toUpperCase();        
    String hexCodeWithAllLeadingZeros = "0000" + hexCode;
    String hexCodeWithLeadingZeros = hexCodeWithAllLeadingZeros
    .substring(hexCodeWithAllLeadingZeros.length() - 4);
    hexCodeWithLeadingZeros = "\\u" + hexCodeWithLeadingZeros;
    System.out.println("Unicode " + hexCodeWithLeadingZeros);
    return hexCodeWithLeadingZeros;
}

Strings have an encoding, which may be unicode or something else. "Unicode to String" implies that either unicode is a data type like string is, or that string is a character encoding like unicode is. As it stands, your question is nonsensical. (It might help to know that java strings internally use utf-16. Is that what you mean?) — user684934
– user684934, Commented Sep 12, 2012 at 8:58
public static String GetUnicode(String str_code) { // TODO Auto-generated method stub //StringBuilder hexcode = Integer.toHexString(str_code.codePointAt(0)).toUpperCase(); String hexCode = Integer.toHexString(str_code.codePointAt(0)).toUpperCase(); String hexCodeWithAllLeadingZeros = "0000" + hexCode; String hexCodeWithLeadingZeros = hexCodeWithAllLeadingZeros .substring(hexCodeWithAllLeadingZeros.length() - 4); String myunicode = "\\u" + hexCodeWithLeadingZeros; // System.out.println("\\u" + hexCodeWithLeadingZeros); return myunicode; } — Umar Mansuri
– Umar Mansuri, Commented Sep 12, 2012 at 9:03
String is a stream of characters. Each character is represented by unique number, called unicode. Methods for converting this number to binary is called encoding. — gigadot
– gigadot, Commented Sep 12, 2012 at 9:04
so you are not converting a string to unicode, unicode is a way to represent character. saying converting string to unicode makes no sense. — gigadot
– gigadot, Commented Sep 12, 2012 at 9:06
@umarmansuri Please add that code to your original question. It is not readable in the comments. — Duncan Jones
– Duncan Jones, Commented Sep 12, 2012 at 9:35

kAnNaN · Accepted Answer · 2013-07-17 07:00:40Z

1

To Convert a unicode to string use

StringEscapeUtils.unescapeJava(unicodeString)

answered Jul 17, 2013 at 7:00

kAnNaN

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