如何纠正java中的以下错误 [英] how to correct the following errors in java

问题描述

从sql检索数据时发生以下错误。给出合适的解决方案，将数据检索到jtable

while retrieve data from sql occurs the following errors. give the proper solution to retrieve the data to the jtable

E:\indu\Datatran.java:84: cannot find symbol
symbol  : variable addElement
location: class java.util.Vector<java.lang.String>
columns_name.addElement=rsmeta.getColumnName(i);
            ^
E:\indu\Datatran.java:86: cannot find symbol
symbol  : method ColumnsIdentifiers(java.util.Vector<java.lang.String>)
location: class javax.swing.table.DefaultTableModel
dtm.ColumnsIdentifiers(columns_name);
   ^
2 errors

Tool completed with exit code 1

推荐答案

look在您的代码中调用Datatran第84/86行。有错误。

您可以在IDE的首选项中激活行号。



http://docs.oracle.com/javase/tutorial/uiswing/components/table.html [ ^ ]



直接建议我们需要一些代码片段和一些调试输出。

look at your code in the calls "Datatran" line 84/86. there are errors.
You can activate line numbers in the preferences of your IDE.

http://docs.oracle.com/javase/tutorial/uiswing/components/table.html[^]

for direct advice we would need some code snippets and some debug output.

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