InputStreamReader isr = new InputStreamReader(new FileInputStream("G:\\IO流文件\\student2018.txt")); //这个样子写就不报错
File f1= new File("G:\\IO流文件\\student2018.txt"); //这里就报错了 Required type: AutoCloseable Provided: File
FileInputStream fis = new FileInputStream(f1);
InputStreamReader isr = new InputStreamReader(fis);
我寻思着这两个写法不一样吗,为什么第二种会报错?求指点