jTable行值为空怎么捕获异常

[dalianhero]

比如jTable1.getValueAt(5, 4).toString()空.怎么捕获异常

[hsuyuan]

try
{
}
catch(NumberFormatException e)
{
}

[dalianhero]

没捕获上啊,还是异常

java.lang.NullPointerException
at jtreetest.Frame2.jTable1_mouseClicked(Frame2.java:708)
at jtreetest.Frame2_jTable1_mouseAdapter.mouseClicked(Frame2.java:776)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:212)
at java.awt.Component.processMouseEvent(Component.java:5103)
at java.awt.Component.processEvent(Component.java:4897)
at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3207)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
at java.awt.Container.dispatchEventImpl(Container.java:1613)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

[jaguarlsl]

jTable1.getValueAt(5, 4) == null ? "" : jTable1.getValueAt(5, 4).toString()

[hsuyuan]

try
{
}
catch(NullPointerException e)
{
}
那就这样好了啊~ 你不是都已经知道抛出NullPointerException 异常了 真是的呵呵

[dalianhero]

谢谢个位,
特别感谢------------------------------> jaguarlsl

哈哈,jaguarlsl的回复 ,达到了我想要的效果

[dalianhero]

啊啊啊啊啊啊啊啊啊啊..............
分给错人了.对不起jaguarlsl,结贴了,怎么再给你分啊?

[hsuyuan]

靠~ 好像我这分是骗来的一样,不想多说,你以后就明白哪个答案是最好的了

[Just-DO-La]

谢谢，我也遇到了相同的问题，终于找到答案了。感谢楼主！