编译时出现下面的错误,两个java都通不过。我是莱鸟,,请高手指示!
C:\tomcat\webapps\examples\WEB-INF\classes\bbs>javac OnlineUsers.java
OnlineUsers.java:53: cannot resolve symbol
symbol : class UserInfo
location: class bbs.OnlineUsers
public synchronized void addUser(UserInfo ui){
^
OnlineUsers.java:60: cannot resolve symbol
symbol : class UserInfo
location: class bbs.OnlineUsers
public synchronized void removeUser(UserInfo ui){
^
2 errorsC:\tomcat\webapps\examples\WEB-INF\classes\bbs>javac UserInfo.java
UserInfo.java:15: cannot resolve symbol
symbol : class OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:15: cannot resolve symbol
symbol : variable OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:19: cannot resolve symbol
symbol : class OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:19: cannot resolve symbol
symbol : variable OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
4 errors
C:\tomcat\webapps\examples\WEB-INF\classes\bbs>javac OnlineUsers.java
OnlineUsers.java:53: cannot resolve symbol
symbol : class UserInfo
location: class bbs.OnlineUsers
public synchronized void addUser(UserInfo ui){
^
OnlineUsers.java:60: cannot resolve symbol
symbol : class UserInfo
location: class bbs.OnlineUsers
public synchronized void removeUser(UserInfo ui){
^
2 errorsC:\tomcat\webapps\examples\WEB-INF\classes\bbs>javac UserInfo.java
UserInfo.java:15: cannot resolve symbol
symbol : class OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:15: cannot resolve symbol
symbol : variable OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:19: cannot resolve symbol
symbol : class OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
UserInfo.java:19: cannot resolve symbol
symbol : variable OnlineUsers
location: class bbs.UserInfo
OnlineUsers ou = OnlineUsers.getInstance();
^
4 errors
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通过了。
javac ./*.java是同时运行的意思吗?