stringtokenizer

Using StringTokenizer in Coverting words to number

你。 提交于 2019-12-06 13:17:54
Can anyone please help me on how to convert words into numbers in Java programming, using string tokenizer. Your answer will be highly appreciated. EDITED : I already made this code . but there is an error . like when i input one thousand one hundred , the program outputs 100100 . need your help guys . what do you think is the problem with my program and also what should i do . thanks alot .. import javax.swing.*; import java.util.*; import java.text.*; public class convertwordstonumbers { public static void main(String[] args) { String sInput; sInput=JOptionPane.showInputDialog("Enter a word

RegEx split string with on a delimeter(semi-colon ;) except those that appear inside a string

守給你的承諾、 提交于 2019-12-06 09:51:52
I have a Java String which is actually an SQL script. CREATE OR REPLACE PROCEDURE Proc AS b NUMBER:=3; c VARCHAR2(2000); begin c := 'BEGIN ' || ' :1 := :1 + :2; ' || 'END;'; end Proc; I want to split the script on semi-colon except those that appear inside a string. The desired output is four different strings as mentioned below 1- CREATE OR REPLACE PROCEDURE Proc AS b NUMBER:=3 2- c VARCHAR2(2000) 3- begin c := 'BEGIN ' || ' :1 := :1 + :2; ' || 'END;'; 4- end Proc Java Split() method will split above string into tokens as well. I want to keep this string as it is as the semi-colons are inside

Split string using pl/sql using connect level on null value

℡╲_俬逩灬. 提交于 2019-12-06 01:57:35
I'm using this following code in Oracle pl/sql (Version: Oracle Database 11g Release 11.2.0.1.0) select regexp_substr('A~B~C','[^~]+',1,level) output from dual connect by level <= length(regexp_replace('A~B~C','[^~]+')) + 1 which gives the following results row1: A row2: B row3: C That's perfect, however should I want to give a null value, ie: select regexp_substr('~B~C','[^~]+',1,level) output from dual connect by level <= length(regexp_replace('~B~C','[^~]+')) + 1 I expected and wanted the following: row1: <null> row2: B row3: C but got this output: row1: B row2: C row3: null Am I doing the

How to find count and names of distinct characters in string in PL/SQL [duplicate]

半世苍凉 提交于 2019-12-05 16:02:09
This question already has an answer here : How can I get the unique characters from a string in Oracle? (1 answer) Closed 6 years ago . I'm quite new to PL/SQL and I need to get the names and count of the distinct characters in a string. E.g. if I have a string str="helloexample" , I need to get output of distinct characters in str , i.e. heloxamp . How can I do this? You can use regular expression as follows: SET serveroutput ON DECLARE str VARCHAR2(20):='helloexample'; str_length NUMBER; c VARCHAR2(20):=NULL; d NUMBER; BEGIN str_length:=LENGTH(str); FOR i IN 1..str_length LOOP IF regexp

Tokenizing strings using regular expression in Javascript

試著忘記壹切 提交于 2019-12-04 10:36:59
Suppose I've a long string containing newlines and tabs as: var x = "This is a long string.\n\t This is another one on next line."; So how can we split this string into tokens, using regular expression? I don't want to use .split(' ') because I want to learn Javascript's Regex. A more complicated string could be this: var y = "This @is a #long $string. Alright, lets split this."; Now I want to extract only the valid words out of this string, without special characters, and punctuation, i.e I want these: var xwords = ["This", "is", "a", "long", "string", "This", "is", "another", "one", "on",

Replicating String.split with StringTokenizer

血红的双手。 提交于 2019-12-04 09:39:45
问题 Encouraged by this, and the fact I have billions of string to parse, I tried to modify my code to accept StringTokenizer instead of String[] The only thing left between me and getting that delicious x2 performance boost is the fact that when you're doing "dog,,cat".split(",") //output: ["dog","","cat"] StringTokenizer("dog,,cat") // nextToken() = "dog" // nextToken() = "cat" How can I achieve similar results with the StringTokenizer? Are there faster ways to do this? 回答1: Are you only

Replicating String.split with StringTokenizer

情到浓时终转凉″ 提交于 2019-12-03 04:42:11
Encouraged by this , and the fact I have billions of string to parse, I tried to modify my code to accept StringTokenizer instead of String[] The only thing left between me and getting that delicious x2 performance boost is the fact that when you're doing "dog,,cat".split(",") //output: ["dog","","cat"] StringTokenizer("dog,,cat") // nextToken() = "dog" // nextToken() = "cat" How can I achieve similar results with the StringTokenizer? Are there faster ways to do this? Are you only actually tokenizing on commas? If so, I'd write my own tokenizer - it may well end up being even more efficient

StringTokenizer method equivalence

前提是你 提交于 2019-12-02 22:01:59
问题 Why do hasMoreElements and hasMoreTokens return the same value? 回答1: From the javadoc of hasMoreElements() /** * Returns the same value as the hasMoreTokens * method. It exists so that this class can implement the * Enumeration interface. */ Javadoc 回答2: since this is a legacy class which implements Enumeration it also uses the method hasMoreTokens for simplicity method naming. In simple case which uses just the StringTokenizer you can use the hasMoreTokens method. In polymorphic case which

StringTokenizer method equivalence

允我心安 提交于 2019-12-02 12:53:09
Why do hasMoreElements and hasMoreTokens return the same value? From the javadoc of hasMoreElements() /** * Returns the same value as the hasMoreTokens * method. It exists so that this class can implement the * Enumeration interface. */ Javadoc since this is a legacy class which implements Enumeration it also uses the method hasMoreTokens for simplicity method naming. In simple case which uses just the StringTokenizer you can use the hasMoreTokens method. In polymorphic case which you created or already has more implementation of the Enumeraion interface you will use the hasMoreElements which

populate a 'JTable' with values from a '.txt' file

我怕爱的太早我们不能终老 提交于 2019-12-02 09:22:00
I'm new to java and I have a text file like this 0786160384|P. K.|Tharindu|912921549v|Colombo| 0711495765|P. K.|Gamini|657414589v|Colombo| 0114756199|H. P.|Weerasigha|657895478v|Kandy| I want to populate my 'jTable' with with the data from this text file. below is my code so far which doesn't work. When I execute the program nothing is displayed on the table. private void formWindowOpened(java.awt.event.WindowEvent evt) { String line = null; DefaultTableModel dtm = (DefaultTableModel) PhoneBookTable.getModel(); try { BufferedReader br = new BufferedReader(new FileReader(file)); StringTokenizer