我在wtk2.5下写文件名为testWave的程序,不能运行,wtk2.0下可以,
cm 2007-08-30 02:45:12 编译通过,两个版中运行提示如下
java.lang.IllegalArgumentException
at javax.microedition.lcdui.TextField.setChars(+105)
at javax.microedition.lcdui.TextField.setString(+27)
at javax.microedition.lcdui.TextField.<init>(+168)
at javax.microedition.lcdui.TextBox.<init>(+74)
at testWave$KeyCanvas.keyReleased(+81)
at javax.microedition.lcdui.Canvas.callKeyReleased(+19)
at javax.microedition.lcdui.Display$DisplayAccessor.keyEvent(+206)
at javax.microedition.lcdui.Display$DisplayManagerImpl.keyEvent(+11)
at com.sun.midp.lcdui.DefaultEventHandler.keyEvent(+127)
at com.sun.midp.lcdui.AutomatedEventHandler.keyEvent(+210)
at com.sun.midp.lcdui.DefaultEventHandler$QueuedEventHandler.handleVmEvent(+114)
是什么样意思?
at com.sun.midp.lcdui.DefaultEventHandler$QueuedEventHandler.run(+57)
这程序在S40下不行,在别的手机可以,请帮我一下.
另WTK中计算sin,cos还是只能查表吗,有没什么方便的办法