多項選擇題以下哪些是合法的構(gòu)造RandomAccessFile對象的代碼()。

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


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