Getting java.lang.ArrayIndexOutOfBoundsException: 2 >= 2












-1














I have this code 



DefaultTableModel defaultTableModel = (DefaultTableModel) jTable1.getModel();



        int row = defaultTableModel.getRowCount();

        for (int i = 0; i < row; i++) {

            String id = (String) defaultTableModel.getValueAt(row, 0);


But I'm getting exception at line : 



String id = (String) defaultTableModel.getValueAt(row, 0);


So even though System.out.println(id); able to return rows in jTable

I tried many other questions mentioned same problem but doesn't helpful.






java jtable indexoutofboundsexception







share|improve this question
























  • i < row + 1 - why
    – Scary Wombat
    Dec 28 '18 at 7:42
















-1














I have this code 



DefaultTableModel defaultTableModel = (DefaultTableModel) jTable1.getModel();



        int row = defaultTableModel.getRowCount();

        for (int i = 0; i < row; i++) {

            String id = (String) defaultTableModel.getValueAt(row, 0);


But I'm getting exception at line : 



String id = (String) defaultTableModel.getValueAt(row, 0);


So even though System.out.println(id); able to return rows in jTable

I tried many other questions mentioned same problem but doesn't helpful.






java jtable indexoutofboundsexception







share|improve this question
























  • i < row + 1 - why
    – Scary Wombat
    Dec 28 '18 at 7:42














-1












-1








-1







I have this code 



DefaultTableModel defaultTableModel = (DefaultTableModel) jTable1.getModel();



        int row = defaultTableModel.getRowCount();

        for (int i = 0; i < row; i++) {

            String id = (String) defaultTableModel.getValueAt(row, 0);


But I'm getting exception at line : 



String id = (String) defaultTableModel.getValueAt(row, 0);


So even though System.out.println(id); able to return rows in jTable

I tried many other questions mentioned same problem but doesn't helpful.






java jtable indexoutofboundsexception







share|improve this question















I have this code 



DefaultTableModel defaultTableModel = (DefaultTableModel) jTable1.getModel();



        int row = defaultTableModel.getRowCount();

        for (int i = 0; i < row; i++) {

            String id = (String) defaultTableModel.getValueAt(row, 0);


But I'm getting exception at line : 



String id = (String) defaultTableModel.getValueAt(row, 0);


So even though System.out.println(id); able to return rows in jTable

I tried many other questions mentioned same problem but doesn't helpful.






java jtable indexoutofboundsexception




java jtable indexoutofboundsexception






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 28 '18 at 7:53







Swapnil Nagtilak

















asked Dec 28 '18 at 7:39









Swapnil NagtilakSwapnil Nagtilak

639




639












  • i < row + 1 - why
    – Scary Wombat
    Dec 28 '18 at 7:42


















  • i < row + 1 - why
    – Scary Wombat
    Dec 28 '18 at 7:42
















i < row + 1 - why
– Scary Wombat
Dec 28 '18 at 7:42




i < row + 1 - why
– Scary Wombat
Dec 28 '18 at 7:42












2 Answers
2






active

oldest

votes


















3














Try below change. I think it should work.



for (int i = 0; i < row; i++) { // Changed row+1 to row

    String id = (String) defaultTableModel.getValueAt(i, 0); // Changed row to i





share|improve this answer





























    1














    Your for statement should be:



    for (int i = 0; i < row; i++) {


    Also as scary wombat says:



    String id = (String) defaultTableModel.getValueAt(i, 0);





    share|improve this answer























    • Let me try I tried row-- in place of "i"
      – Swapnil Nagtilak
      Dec 28 '18 at 7:42










    • Incorrect. Should be i < row
      – Robby Cornelissen
      Dec 28 '18 at 7:43






    • 1




      missing getValueAt(row, 0); - bug, should use i
      – Scary Wombat
      Dec 28 '18 at 7:43










    • You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
      – gbandres
      Dec 28 '18 at 7:44






    • 2




      @gbandres You're almost there. Now replace the row - 1 with row.
      – Robby Cornelissen
      Dec 28 '18 at 7:45











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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    3














    Try below change. I think it should work.



    for (int i = 0; i < row; i++) { // Changed row+1 to row
    
    String id = (String) defaultTableModel.getValueAt(i, 0); // Changed row to i





    share|improve this answer


























      3














      Try below change. I think it should work.



      for (int i = 0; i < row; i++) { // Changed row+1 to row
      
    String id = (String) defaultTableModel.getValueAt(i, 0); // Changed row to i





      share|improve this answer
























        3












        3








        3






        Try below change. I think it should work.



        for (int i = 0; i < row; i++) { // Changed row+1 to row
        
    String id = (String) defaultTableModel.getValueAt(i, 0); // Changed row to i





        share|improve this answer












        Try below change. I think it should work.



        for (int i = 0; i < row; i++) { // Changed row+1 to row
        
    String id = (String) defaultTableModel.getValueAt(i, 0); // Changed row to i






        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Dec 28 '18 at 7:46









        Prasad KarunagodaPrasad Karunagoda

        47736




        47736

























            1














            Your for statement should be:



            for (int i = 0; i < row; i++) {


            Also as scary wombat says:



            String id = (String) defaultTableModel.getValueAt(i, 0);





            share|improve this answer























            • Let me try I tried row-- in place of "i"
              – Swapnil Nagtilak
              Dec 28 '18 at 7:42










            • Incorrect. Should be i < row
              – Robby Cornelissen
              Dec 28 '18 at 7:43






            • 1




              missing getValueAt(row, 0); - bug, should use i
              – Scary Wombat
              Dec 28 '18 at 7:43










            • You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
              – gbandres
              Dec 28 '18 at 7:44






            • 2




              @gbandres You're almost there. Now replace the row - 1 with row.
              – Robby Cornelissen
              Dec 28 '18 at 7:45
















            1














            Your for statement should be:



            for (int i = 0; i < row; i++) {


            Also as scary wombat says:



            String id = (String) defaultTableModel.getValueAt(i, 0);





            share|improve this answer























            • Let me try I tried row-- in place of "i"
              – Swapnil Nagtilak
              Dec 28 '18 at 7:42










            • Incorrect. Should be i < row
              – Robby Cornelissen
              Dec 28 '18 at 7:43






            • 1




              missing getValueAt(row, 0); - bug, should use i
              – Scary Wombat
              Dec 28 '18 at 7:43










            • You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
              – gbandres
              Dec 28 '18 at 7:44






            • 2




              @gbandres You're almost there. Now replace the row - 1 with row.
              – Robby Cornelissen
              Dec 28 '18 at 7:45














            1












            1








            1






            Your for statement should be:



            for (int i = 0; i < row; i++) {


            Also as scary wombat says:



            String id = (String) defaultTableModel.getValueAt(i, 0);





            share|improve this answer














            Your for statement should be:



            for (int i = 0; i < row; i++) {


            Also as scary wombat says:



            String id = (String) defaultTableModel.getValueAt(i, 0);






            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Dec 28 '18 at 7:47

























            answered Dec 28 '18 at 7:41









            gbandresgbandres

            4439




            4439












            • Let me try I tried row-- in place of "i"
              – Swapnil Nagtilak
              Dec 28 '18 at 7:42










            • Incorrect. Should be i < row
              – Robby Cornelissen
              Dec 28 '18 at 7:43






            • 1




              missing getValueAt(row, 0); - bug, should use i
              – Scary Wombat
              Dec 28 '18 at 7:43










            • You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
              – gbandres
              Dec 28 '18 at 7:44






            • 2




              @gbandres You're almost there. Now replace the row - 1 with row.
              – Robby Cornelissen
              Dec 28 '18 at 7:45


















            • Let me try I tried row-- in place of "i"
              – Swapnil Nagtilak
              Dec 28 '18 at 7:42










            • Incorrect. Should be i < row
              – Robby Cornelissen
              Dec 28 '18 at 7:43






            • 1




              missing getValueAt(row, 0); - bug, should use i
              – Scary Wombat
              Dec 28 '18 at 7:43










            • You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
              – gbandres
              Dec 28 '18 at 7:44






            • 2




              @gbandres You're almost there. Now replace the row - 1 with row.
              – Robby Cornelissen
              Dec 28 '18 at 7:45
















            Let me try I tried row-- in place of "i"
            – Swapnil Nagtilak
            Dec 28 '18 at 7:42




            Let me try I tried row-- in place of "i"
            – Swapnil Nagtilak
            Dec 28 '18 at 7:42












            Incorrect. Should be i < row
            – Robby Cornelissen
            Dec 28 '18 at 7:43




            Incorrect. Should be i < row
            – Robby Cornelissen
            Dec 28 '18 at 7:43




            1




            1




            missing getValueAt(row, 0); - bug, should use i
            – Scary Wombat
            Dec 28 '18 at 7:43




            missing getValueAt(row, 0); - bug, should use i
            – Scary Wombat
            Dec 28 '18 at 7:43












            You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
            – gbandres
            Dec 28 '18 at 7:44




            You should leave it like you had it, but change the ending condition to row - 1. If you have for example 5 rows, and you start counting from 0, you want to count from 0 to 4 so you hit every row: 0, 1 ,2 ,3 and 4.
            – gbandres
            Dec 28 '18 at 7:44




            2




            2




            @gbandres You're almost there. Now replace the row - 1 with row.
            – Robby Cornelissen
            Dec 28 '18 at 7:45




            @gbandres You're almost there. Now replace the row - 1 with row.
            – Robby Cornelissen
            Dec 28 '18 at 7:45


















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