ArrayList<JCheckBox> 是引用什么包的 怎么我贴过去报错 Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Container at java.lang.Class.getDeclaredMethods0(Native Method) at java.lang.Class.privateGetDeclaredMethods(Class.java:2427) at java.lang.Class.getDeclaredMethod(Class.java:1935) at java.awt.Component.isCoalesceEventsOverriden(Component.java:5901) at java.awt.Component.access$400(Component.java:169) at java.awt.Component$4.run(Component.java:5855) at java.awt.Component$4.run(Component.java:5853) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Component.checkCoalescing(Component.java:5852) at java.awt.Component.<init>(Component.java:5821) at java.awt.Container.<init>(Container.java:251) at java.awt.Window.<init>(Window.java:430) at java.awt.Frame.<init>(Frame.java:403) at java.awt.Frame.<init>(Frame.java:368) at javax.swing.JFrame.<init>(JFrame.java:163) at test1.test555.<init>(test555.java:18) at test1.test555$2.run(test555.java:175) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209) at java.awt.EventQueue.dispatchEvent(EventQueue.java:597) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161) at java.awt.EventDispatchThread.run(EventDispatchThread.java:122) Caused by: java.lang.ClassNotFoundException: Container at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) ... 25 more
你的需求或者说你想要达到什么样的目的,现在你又是如何组织的?
描述的详细些吧
public static ArrayList<JCheckBox> getAllJCheckBox(Container ct, ArrayList<JCheckBox> list){
if(list==null){
list=new ArrayList<JCheckBox>();
}
int count=ct.getComponentCount();
for(int i=0;i<count;i++){
Component c=ct.getComponent(i);
if(c instanceof JCheckBox){
list.add((JCheckBox)c);
}
else if(c instanceof Container){
getAllJCheckBox((Container)c,list);
}
}
return list;
}
Container ct你可以传任意的Swing组件 比如:JFrame JPanel 等等
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Container
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2427)
at java.lang.Class.getDeclaredMethod(Class.java:1935)
at java.awt.Component.isCoalesceEventsOverriden(Component.java:5901)
at java.awt.Component.access$400(Component.java:169)
at java.awt.Component$4.run(Component.java:5855)
at java.awt.Component$4.run(Component.java:5853)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Component.checkCoalescing(Component.java:5852)
at java.awt.Component.<init>(Component.java:5821)
at java.awt.Container.<init>(Container.java:251)
at java.awt.Window.<init>(Window.java:430)
at java.awt.Frame.<init>(Frame.java:403)
at java.awt.Frame.<init>(Frame.java:368)
at javax.swing.JFrame.<init>(JFrame.java:163)
at test1.test555.<init>(test555.java:18)
at test1.test555$2.run(test555.java:175)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
Caused by: java.lang.ClassNotFoundException: Container
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:252)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 25 more
import java.awt.Component;
import java.awt.Container;
import java.util.ArrayList;
import javax.swing.JCheckBox;
if(list==null){
list=new ArrayList<Boolean>();
}
int count=ct.getComponentCount();
for(int i=0;i<count;i++){
Component c=ct.getComponent(i);
if(c instanceof JCheckBox){
list.add(((JCheckBox)c).isSelected());
}
else if(c instanceof Container){
getAllJCheckBoxValue((Container)c,list);
}
}
return list;
}
List<JCheckBox> checkBoxs = new ArrayList<JCheckBox>();
for(Component c:cs){
if(c instanceof JCheckBox){
JCheckBox checkBox=((JCheckBox)c);
checkBoxs.add(checkBox);
}
}
for(JCheckBox box:checkBoxs){
checkBox.get……
checkBox.isSelected();
}