Question

Exception in thread "main" java.io.FileNotFoundException: C:\acm.txt (系统找不到指定的文件。)

public class jbx1{
public static void main(String args[]) throws IOException {
FileInputStream fis=new FileInputStream("C:\\acm.txt");
BufferedInputStream bis ;
DataInputStream dis=new DataInputStream(fis);
String file = "C:\\acm.txt";
BufferedReader br=new BufferedReader(new FileReader(file));
try {
String str1=null;

BufferedWriter br1 = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("C:\\T\\test.txt")));

while ((str1=br.readLine())!=null) {
if(str1.charAt(str1.length() -1)=='0')
br1.write(str1);
}
} catch (IOException e) {
e.printStackTrace();
}
dis.close();

}
}
Exception in thread "main" java.io.FileNotFoundException: C:\acm.txt (系统找不到指定的文件。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at java.io.FileReader.<init>(FileReader.java:41)
at jbx1.main(jbx1.java:33)
报错如下：
Exception in thread "main" java.io.FileNotFoundException: C:\acm.txt (系统找不到指定的文件。)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:106)
at java.io.FileInputStream.<init>(FileInputStream.java:66)
at jbx1.main(jbx1.java:29)

Answer 1

File file=new File("C:\\acm.txt");
FileInputStream fis=new FileInputStream(file);

Answer 2

C:\acm.txt找不到

Answer 3

你inputstream没有源文件 怎么可能有输入？
你要先去C盘下创建个acm.txt

追问

c盘里有这个文件