String s;
while((s = in.readLine())!= null )
System.out.println(s);
这样编译正常
while((String s = in.readLine())!= null )
System.out.println(s);
但是为什么这样就会编译错误,说缺少括号呢,望高手解答
while((s = in.readLine())!= null )
System.out.println(s);
这样编译正常
while((String s = in.readLine())!= null )
System.out.println(s);
但是为什么这样就会编译错误,说缺少括号呢,望高手解答
for(String s1;(s1=in.readLine())!=null;);
修改如下,请lz参考:
public void fun13() {
try {
FileReader fr = new FileReader("E:\\Oracle\\sex.txt");
BufferedReader in = new BufferedReader(fr);
String s;
while((s = in.readLine())!= null )
System.out.println(s);
} catch (Exception ex) {
ex.printStackTrace();
}
}