Skip to main content

Java remove redundant values in a list of String and sort it

            List<String>idees=new ArrayList<String>();
            idees.add("0009232329329323923");
            idees.add("9009232329329323923");
            idees.add("5009232329329323923");
            idees.add("1009232329329323923");
            idees.add("4009232329329323923");
            idees.add("3009232329329323923");
            idees.add("6009232329329323923");
            idees.add("2009232329329323923");
            idees.add("7009232329329323923");
            idees.add("0009232329329323924");
            idees.add("0000000000000000000");
            idees.add("0000000000000000000");
            idees.add("0000000000000000000");
            idees.add("0000000000000000000");
            idees.add("0000000000000000000");
            idees.add("0000000000000000000");
         
            Set hs = new HashSet();
            hs.addAll(idees);
            idees.clear();
            idees.addAll(hs);
            Collections.sort(idees);

      for (String val : idees) {
            System.out.println(val);
        }

Comments

Post a Comment

Popular posts from this blog

Installing liferay 6.2 on wildfly 10 app server and oracle 11g database & windows machine

*************************************DATABASE CREATION*********************************************************************************************** DOWNLOAD LIFERAY PORTAL SCRIPTS FROM https://www.liferay.com/downloads/liferay-portal/available-releases Rename the file as liferay.sql put it let say in under c drive , so it will be located like this  c:\liferay.sql from cmd dir c:\ SQLPLUS / AS SYSDBA @liferay.sql lportal lportal it will create the db ..after finishing go to sqlplus again to ggrant the below  to lportal user SQLPLUS / AS SYSDBA grant create session to lportal; grant connect to lportal; grant resource to lportal; *******************************CONFIGURE WILDFLY TO CONNECT TO ORACLE DB *****************************************************************************************************  configure wildfly to connect to oracle db Download the driver: ojdbc[VERSION].jar Create subfolders [WILDFLY_HOME]/modules/system/layers/base/com/o...
7 comments
Read more

itext 2.7.1 writing Arabic and English content in a PDF file

   public void createPdf(String filename) throws IOException, DocumentException {               Document document = new Document();           PdfWriter.getInstance(document, new FileOutputStream(filename));             document.open();             document.add(Chunk.NEWLINE);        FontFactory.register("c:/windows/fonts/tradbdo.ttf", "my_arabic");               Font myArabicFont = FontFactory.getFont("my_arabic" ,BaseFont.IDENTITY_H, BaseFont.EMBEDDED);         PdfPTable table = new PdfPTable(1);         table.getDefaultCell().setNoWrap(false);        // table.setRunDirection(PdfWriter.RUN_DIRECTION_RTL);         PdfPCell text = new PdfPCell(new Phrase("محمود السنباطيthis is أبتثجحخدرزسشصضطظعغفقكلمنهوى", myAr...
3 comments
Read more

Liferay Migration form 5.2.3 to 6.2

Liferay Migration form 5.2.3 to 6.2 Liferay Migration from 5.2.3. to 6.2 Step 1. Migration to 6.0.6 1. Create 5.2.3 DB dump (db.sql). 2. Create database for LR 6.0.6 (db606). 3. Load 5.2.3 dump into 6.0.6 database: mysql -uroot -p1 db606 < db.sql; Delete all database views (if any). 4. Unzip clean Liferay 6.0.6. 5. Delete all folders from ' webapps ' (except ' ROOT ' and ' tunnel-web '); delete jre from tomcat folder. 6. Copy 'data' folder from Liferay 5.2.3 to Liferay 6.0.6. 7. Startup Liferay 6.0.6 (with default Hypersonic database settings). 8. Shutdown Liferay 6.0.6. 9. Create  portal-ext.properties  file: jdbc.default.driverClassName=com.mysql.jdbc.Driver jdbc.default.url=jdbc:mysql://localhost:3306/db606?useUnicode=true&characterEncoding=UTF-8&useFastDateParsing=false jdbc.default.username=root jdbc.default.password=1 permissions.user.check.algorithm=5 image.hook.impl=com....
1 comment
Read more