Topic: 当出现cannot resolve symbol这个错误时一般要如何处理? |
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1.当出现cannot resolve symbol这个错误时一般要如何处理? | Copy to clipboard |
Posted by: m00nsun Posted on: 2004-09-03 11:25 /*========================================= * Created :wbb * 2004-09-02 * 要求string 为六位数,左边空白的补满零。 * 例如: ** int i=1 ====> string s="000001" * int i=101 ====> string s="000101" *========================================*/ import java.awt.*; import java.applet.*; import java.text.DecimalFormat; public class CodeId extends Applet{ TextField t = new TextField(10); Button b1 = new Button("转换成编号"); TextField idt = new TextField(10); String s = ""; public void init(){ add(t); add(b1); add(idt); } public boolean action(Event evt, Object arg){ s = t.getText(); DecimalFormat s = new DecimalFormat( "0000" ); if (evt.target.equals(b1)){ idt.setText(s); } else{ return super.action(evt, arg); } return true; } } //<applet code = CodeId.class width = 100 height = 100></applet> |
2.Re:当出现cannot resolve symbol这个错误时一般要如何处理? [Re: m00nsun] | Copy to clipboard |
Posted by: zerol Posted on: 2004-09-03 12:35 declare/define the variable or function indicated by the Exception. |
3.Re:当出现cannot resolve symbol这个错误时一般要如何处理? [Re: m00nsun] | Copy to clipboard |
Posted by: m00nsun Posted on: 2004-09-03 16:45 如何定义? 可否以我上面的例子为例讲一下应该怎么写? |
4.Re:当出现cannot resolve symbol这个错误时一般要如何处理? [Re: m00nsun] | Copy to clipboard |
Posted by: yangmin9702 Posted on: 2004-09-03 17:30 少加了一个包 import java.awt.event.*; |
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