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I use: [ICODE]Integer.toBinaryString(number);[/ICODE] to get binary string. I want to get the sum of two binary number. how do i do? example: 0010 + 0011 = 0101! Thanks! smb help me please!

I have a ArrayList and JTable load Object from ArrayList to display on table. When i sort table by using method: [CODE]table.setAutoCreateRowSorter(true);[/CODE] by using that method, i can sort table by clicking on header of the column i want to sort! But after sort, the Object of row which i …

I have this problem when i create a sortable JTable with data load from an ArrayList! My project is Student Management and i add some function like Add/Edit/Delete infomation. With unsortable JTable, add/edit/delete function is ok, but with sortable JTable, when i click on the header of one column, that …

Hi! Could someone please help me to solve one more problem. To read the data (ArrayList) from file, I'm using the following code, which assumes that columns are separated with ",". It works perfectly: [CODE] public static List<UserDataRow> readData() { List<UserDataRow> listofusers = new ArrayList<UserDataRow>(); FileInputStream fstream = null; try …

I have a problem about loading/saving ArrayList from/to file. I've searched some thread about this but it's not ok, because the demo used ArrayList<String> but i used ArrayList<Student> with Class Student [ICODE]public class Student { private String id; private String name; private int year; private String genre; private String course; …