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java Programming Glossary: charHow to read a single char from the console in Java (as the user types it)? http://stackoverflow.com/questions/1066318/how-to-read-a-single-char-from-the-console-in-java-as-the-user-types-it to read a single char from the console in Java as the user types it Is there an easy.. the user types it Is there an easy way to read a single char from the console as the user is typing it in Java Is it possible.. methods but they both wait for the user to press enter key char tmp char System.in.read char tmp char new InputStreamReader..
Convert a string representation of a hex dump to a byte array using Java? http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java 2 for int i 0 i len i 2 data i 2 byte Character.digit s.charAt i 16 4 Character.digit s.charAt i 1 16 return data Reasons.. 2 byte Character.digit s.charAt i 16 4 Character.digit s.charAt i 1 16 return data Reasons why it is an improvement Safe with.. unlike Byte.parseByte Doesn't convert the String into a char or create StringBuilder and String objects for every single..
How to upload files to server using JSP/Servlet? http://stackoverflow.com/questions/2422468/how-to-upload-files-to-server-using-jsp-servlet UTF 8 StringBuilder value new StringBuilder char buffer new char 1024 for int length 0 length reader.read buffer.. 8 StringBuilder value new StringBuilder char buffer new char 1024 for int length 0 length reader.read buffer 0 value.append..
What is the purpose of the expression “new String(…)” in Java? http://stackoverflow.com/questions/390703/what-is-the-purpose-of-the-expression-new-string-in-java String is to force a substring to copy to a new underlying character array as in small new String huge.substring 10 20 However.. up with all the strings for the lines referencing the char consisting of entire file. Unfortunately that unintentionally.. to be a documented way to get a new String by copying the chars of an existing one or the documentation of String String needs..
How to generate a random alpha-numeric string http://stackoverflow.com/questions/41107/how-to-generate-a-random-alpha-numeric-string strings. You can tweak the symbols if you want to use more characters. public class RandomString private static final char symbols.. characters. public class RandomString private static final char symbols new char 36 static for int idx 0 idx 10 idx symbols.. class RandomString private static final char symbols new char 36 static for int idx 0 idx 10 idx symbols idx char '0' idx..
Migrating from JSF 1.2 to JSF 2.0 http://stackoverflow.com/questions/4441713/migrating-from-jsf-1-2-to-jsf-2-0 then it will default to classname with the 1st char lowercased. @ManagedBean @RequestScoped public class SomeBean..
How to parse XML using the SAX parser http://stackoverflow.com/questions/4827344/how-to-parse-xml-using-the-sax-parser channel channel.setItems items public void characters char ch int start int length throws SAXException content.append.. channel channel.setItems items public void characters char ch int start int length throws SAXException content.append ch..
Why is char[] preferred over String for passwords? http://stackoverflow.com/questions/8881291/why-is-char-preferred-over-string-for-passwords is char preferred over String for passwords In Swing the password field.. In Swing the password field has a getPassword returns char method instead of the usual getText returns String method. Similarly.. when it comes to passwords It feels inconvenient to use char . java string security passwords char share improve this..
Java 256-bit AES Password-Based Encryption http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption aes share improve this question Share the password a char and salt a byte &mdash 8 bytes selected by a SecureRandom makes..
http://stackoverflow.com/questions/1012874/hibernate-unidirectional-parent-child-relationship-delete-performs-update-on update uncategorized SQLException for SQL update RMS12.DRS_CHARITY_TRANSFER_ITEM set TSF_NO null TSF_SEQ_NO null where TSF_NO.. 72000 error code 1407 ORA 01407 cannot update RMS12 . DRS_CHARITY_TRANSFER_ITEM . TSF_NO to NULL nested exception is java.sql.BatchUpdateException.. ORA 01407 cannot update RMS12 . DRS_CHARITY_TRANSFER_ITEM . TSF_NO to NULL org.springframework.jdbc.UncategorizedSQLException..
http://stackoverflow.com/questions/3631349/how-do-i-cure-the-cause-of-hibernate-exception-illegalargumentexception-occurre . TB_USER USER_ID RAW 16 DEFAULT SYS_GUID USER_NAME VARCHAR2 20 CHAR NOT NULL ENABLE USER_RV NUMBER NOT NULL ENABLE PRIMARY.. USER_ID RAW 16 DEFAULT SYS_GUID USER_NAME VARCHAR2 20 CHAR NOT NULL ENABLE USER_RV NUMBER NOT NULL ENABLE PRIMARY KEY USER_ID..
http://stackoverflow.com/questions/3669883/hibernate-where-do-insertable-false-updatable-false-belong-in-composite-pr about the Zips table CREATE TABLE Zips country_code CHAR 2 code VARCHAR 10 PRIMARY KEY country_code code FOREIGN KEY.. Zips table CREATE TABLE Zips country_code CHAR 2 code VARCHAR 10 PRIMARY KEY country_code code FOREIGN KEY country_code REFERENCES..
Hibernate native query - char(3) column http://stackoverflow.com/questions/4873201/hibernate-native-query-char3-column I have a table in Oracle where column SC_CUR_CODE is CHAR 3 When I do Query q2 em.createNativeQuery select sc_cur_code.. question It looks like Hibernate reads value of type CHAR n as Character . Try to cast it to VARCHAR n Query q2 em.createNativeQuery.. value of type CHAR n as Character . Try to cast it to VARCHAR n Query q2 em.createNativeQuery select cast sc_cur_code as VARCHAR2..
Why my antlr lexer java class is “code too large”? http://stackoverflow.com/questions/6283980/why-my-antlr-lexer-java-class-is-code-too-large SQL words AND 'AND' BIGINT 'BIGINT' BIT 'BIT' CASE 'CASE' CHAR 'CHAR' COUNT 'COUNT' CREATE 'CREATE' CURRENT_TIMESTAMP 'CURRENT_TIMESTAMP'.. AND 'AND' BIGINT 'BIGINT' BIT 'BIT' CASE 'CASE' CHAR 'CHAR' COUNT 'COUNT' CREATE 'CREATE' CURRENT_TIMESTAMP 'CURRENT_TIMESTAMP'.. JOIN 'JOIN' NOT 'NOT' NULL 'NULL' NUMERIC 'NUMERIC' NVARCHAR 'NVARCHAR' ON 'ON' OR 'OR' SELECT 'SELECT' SET 'SET' SMALLINT..
XML data to PostgreSql database http://stackoverflow.com/questions/7491479/xml-data-to-postgresql-database the following table CREATE TABLE mynt ID SERIAL myntnafn CHAR 3 myntheiti Varchar 255 kaupgengi Decimal 15 2 midgengi Decimal..
handling DATETIME values 0000-00-00 00:00:00 in JDBC http://stackoverflow.com/questions/782823/handling-datetime-values-0000-00-00-000000-in-jdbc object. I got around this by doing SELECT CAST add_date AS CHAR as add_date which works but seems silly... is there a better..
Fastest way to iterate over all the chars in a String http://stackoverflow.com/questions/8894258/fastest-way-to-iterate-over-all-the-chars-in-a-string THE CONTENTS OF A STRING. ALWAYS CHECKING FOR WHITESPACE CHAR ' ' CHECK THE STRING CONTENTS int charAtMethod1 final String.. FANCY OBTAIN FIELD FOR ACCESS TO THE STRING'S INTERNAL CHAR int fieldMethod1 final Field field final String data try final.. nanos System.nanoTime time MAKE A TEST STRING OF RANDOM CHARACTERS A Z private String makeTestString int testSize char start..
How does Integer.parseInt(string) actually work? http://stackoverflow.com/questions/1410555/how-does-integer-parseintstring-actually-work are separated from numbers by 7 characters . Edit 2 Char to digit value conversion characters '0' to '9' have ASCII values..
charAt() or substring? Which is faster? http://stackoverflow.com/questions/1672415/charat-or-substring-which-is-faster 1 or String s abcdefg for int i 0 i s.length i newFunction Character.toString s.charAt i The final result needs to be a String... org.junit.Assert import org.junit.Test public class StringCharTest Times 1. Initialization of s outside the loop 2. Init of.. void testCacheStrings throws Exception Cache all possible Char strings String char2string new String Character.MAX_VALUE for..
Capitalize First Char of Each Word in a String Java http://stackoverflow.com/questions/1892765/capitalize-first-char-of-each-word-in-a-string-java First Char of Each Word in a String Java Is there a function built into..
Best way to read structured binary files with Java http://stackoverflow.com/questions/277944/best-way-to-read-structured-binary-files-with-java Integer Type Byte BeginOfData Integer ID array 0..15 of Char end ... procedure ReadData S TStream var Header THeader begin..
Primitive type 'short' - casting in Java http://stackoverflow.com/questions/477750/primitive-type-short-casting-in-java long 64 bit int 32 bit short 16 bit char 16 bit byte 8 bit Char is the only unsigned integer type. Its values represent Unicode..
Converting an array of objects to an array of their primitive types http://stackoverflow.com/questions/564392/converting-an-array-of-objects-to-an-array-of-their-primitive-types which have a primitive type for example Byte Integer Char etc . Is there a neat way I can convert it into an array of..
http://stackoverflow.com/questions/7249427/java-jax-ws-mapping complexType How can I get weatherLetter to generate as a Char or 1 Letter String or something java web services java ee jaxb.. XSD Restriction to it directly e.g. xs element name singleChar xs simpleType xs restriction base xs string xs length value..
Fastest way to iterate over all the chars in a String http://stackoverflow.com/questions/8894258/fastest-way-to-iterate-over-all-the-chars-in-a-string i n i char c str.charAt i Or this char chars str.toCharArray for int i 0 n chars.length i n i char c chars i EDIT What.. or greater than the cost of performing a single call to toCharArray at the beginning and then directly accessing the array.. final String data final int len data.length data.getChars 0 len reusable 0 for int i 0 i len i if reusable i ' ' doThrow..
http://stackoverflow.com/questions/9429459/get-a-key-from-jtextarea DocumentListener if you have to need control over inputed Char sings whitespace chars or word s you have to implements DocumentFilter.. or word s you have to implements DocumentFilter notice for Chars reservated by programing language s you have to use double.. Utilities.getTabbedTextWidth new Segment lastLine.toCharArray 0 lastLine.length textArea.getFontMetrics textArea.getFont..
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