【单选题】下面关于RandomAccessFile语句正确的是:
A.
RandomAccessFile raf=new RandomAccesssFile(“myfile.txt”,”rw”);
B.
RandomAccessFile raf=new RandomAccesssFile(new DataInputStream());
C.
RandomAccessFile raf=new RandomAccesssFile(“myfile.txt”);
D.
RandomAccessFile raf=new RandomAccesssFile(new File(“myfile.txt”));
【单选题】正确生成RandomAccessFile对象的语句的是
A.
File f=new File('readFile'); RandomAccessFile raF=new RandomAccessFile(f);
B.
RandomAccessFile raF=new RandomAccessFile(d://mydir//File3.txt,'rw');
C.
RandomAccessFile raF=new RandomAccessFile('readwriteFile','rw');
D.
RandomAccessFile raF=new RandomAccessFile('readwriteFile',rw);
【判断题】一个完成计算机系统应包括硬件系统和软件系统
【单选题】正确生成RandomAccessFile对象的语句是 ( )
A.
File f=new File('readFile');
B.
RandomAccessFile raF=new RandomAcccssFile(d:/mydir/File3.txt,'rw');
C.
RandomAccessFile raF=new RandomAccessFile('readwriteFile','rw');
D.
RandomAccessFile raF=new RandomAccessFite('readwriteFile',rw)
【单选题】清廷资政院用三天时间颁布的宪法性文件《十九信条》是在
【单选题】以下哪个是构造RandomAccessFile的合法方式?
A.
RandomAccessFile("data", "r");
B.
RandomAccessFile("r", "data");
C.
RandomAccessFile("data", "read");
D.
RandomAccessFile("read", "data");
【单选题】组成一个完整的计算机系统应该包括 A) 主机、鼠标器、键盘和显示器 B) 系统软件和应用软件 C) 主机、显示器、键盘和音箱等外部设备 D) 硬件系统和软件系统
【单选题】正确生成RandomAccessFile对象的语句的是
A.
File f=new File('readFile'); RandomAccessFile raF=new RandomAccessFile(f);
B.
RandomAccessFile raF=new RandomAccessFile(d:/mydir/File3.txt,'rw');
C.
RandomAccessFile raF=new RandomAccessFile('readwriteFile','rw');
D.
RandomAccessFile raF=new RandomAceessFile('readwriteFile' ,rw);