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- 05-11-2012, 06:30 PM #1
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array of javax.swing.jTable returns nullpointer exception when accessed
Heya!
I got myself an array of 8 jTables on my frame.
andJava Code:public javax.swing.JTable[]swingTables;
when I try to to do this:Java Code:swingTables[0] = bm1; swingTables[1] = nm1; swingTables[2] = fm1; swingTables[3] = mt1; swingTables[4] = bt1; swingTables[5] = st1; swingTables[6] = pt1; swingTables[7] = tt1;
I get a nullpointer exception from the first row.Java Code:selectedRows[0] = bm1.getSelectedRows(); selectedRows[1] = nm1.getSelectedRows(); selectedRows[2] = fm1.getSelectedRows(); selectedRows[3] = mt1.getSelectedRows(); selectedRows[4] = bt1.getSelectedRows(); selectedRows[5] = st1.getSelectedRows(); selectedRows[6] = pt1.getSelectedRows(); selectedRows[7] = tt1.getSelectedRows();
However, I can do this much earlier in the code and not receive a nullpointer exception:
I don't seem to understand how I can fetch a model of bm1 jTable and store it no problem, but I cannot store the swing component bm1 itself without getting a NPE.Java Code:bodyModel =(DefaultTableModel)bm1.getModel(); neckModel =(DefaultTableModel)nm1.getModel(); fretboardModel =(DefaultTableModel)fm1.getModel(); markersType =(DefaultTableModel)mt1.getModel(); bridgeType =(DefaultTableModel)bt1.getModel(); saddleType =(DefaultTableModel)st1.getModel(); pickupsType =(DefaultTableModel)pt1.getModel(); tunersType =(DefaultTableModel)tt1.getModel();
Anyone informed care to explain? :)
- 05-11-2012, 06:41 PM #2
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