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java-jtable getvalue方法不工作_Java_Jtable_Indexoutofboundsexception - Fatal编程技术网

java-jtable getvalue方法不工作

java-jtable getvalue方法不工作,java,jtable,indexoutofboundsexception,Java,Jtable,Indexoutofboundsexception,我刚刚用java创建了一个简单的表,我正在尝试获取行中的数据 ArrayList<Object> s = new ArrayList<Object>(); private void get_valuesActionPerformed(java.awt.event.ActionEvent evt) {

我刚刚用java创建了一个简单的表,我正在尝试获取行中的数据

ArrayList<Object> s = new ArrayList<Object>();

private void get_valuesActionPerformed(java.awt.event.ActionEvent evt)                                           
{                                               
    for (int i = 1; i <= mod.getRowCount(); i++)
    {
        for (int j = 1; j <= mod.getColumnCount(); j++)
        {
           System.out.println(mod.getValueAt(i,j));
           //System.out.println("row= "+i+"column= "+j);
        }
    }
}
arraylists=newarraylist();
private void get_valuesActionPerformed(java.awt.event.ActionEvent evt)
{                                               

对于java中的(inti=1;i,与大多数编程语言一样,从0开始计数,而不是1

这意味着您应该将for循环更改为:

for (int i = 0; i <= mod.getRowCount() - 1; i++)

for (int j = 0; j <= mod.getColumnCount() - 1; j++)

for(inti=0;i或just-use for(inti=0;i