import java.io.*;
public class PushDemo {
public static void mian(String [] args) throws Exception {
PushbackReader aa = new PushbackReader(new FileReader(args[0]));
FileWriter bb = new FileWriter("q.txt");
int cc = 0;
while((cc = aa.read()) != -1) {
int qq = -1;
switch(qq) {
case ' ' :
qq = 1;
break;
default :
bb.write(cc);
}
if(qq != -1) {
aa.unread(cc);
}
}
aa.close();
bb.flush();
bb.close();
}
}运行错误 Exception in thread "main" java.lang.NoSuchMethodError: main 帮忙看看
不要抛异常
这是main方法:public static void main(String args[])