如何捕获Java中找不到文件的异常？
在使用FileInputStream，FileOutputStream和RandomAccessFile类时，我们需要将文件的路径传递给它们的构造函数。如果指定路径中的文件不存在，则会引发FileNotFoundException。
示例
public class Sample {
public static void main(String args[]) throws Exception {
File file = new File("myFile");
FileInputStream fis = new FileInputStream(file);
System.out.println("Hello");
}
}输出结果
Exception in thread "main" java.io.FileNotFoundException: myFile
(The system cannot find the file specified)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.open(Unknown Source)
at java.io.FileInputStream.<init>(Unknown Source)
at a5Exception_Handling.NullPointer.main(NullPointer.java:10)