以下创建RandomAccessFile类实例对象的代码，哪些是正确的？ （多选）

A. new RandomAccessFile(new File("D:\\itcast\\dir1\\test.java"),"rw");
B. new RandomAccessFile("D:\\itcast\\dir1\\test.java","r");
C. new RandomAccessFile("D:\\itcast\\dir1\\test.java");
D. new RandomAccessFile("D:\\itcast\\dir1\\test.java","wr");