下列哪个是FileReader文件的创建语句( ) A: FileReader(File file) B: read() C: FileWreter(File file) D: ready()

To read the entire remaining contents of the file as a string from a file object infile, which one should be used ? ( ) A: infile.read(2) B: infile.readline() C: infile.readlines() D: infile.read()

python中，创建或关闭一个文件使用（） A: open B: close C: file D: read

When is the parameter file read during startup? A: When opening the Database B: When mounting the Database C: During the instance startup D: In every stage

Howdoyoupreviewatextbeforereadingit?Step 1 Read the ______ and ______ if there are any.Step 2 Read the ______ paragraph.Step 3 Read the ______ paragraph.Step 4 Readthe ______ sentence of each remaining paragraph.

（ File 类）有如下代码： public class TestFile{ public static void main(String args[]){ File file = new File(“chp1 1 /corejava.txt”); } } 请选择一个正确答案：

下列哪个选项不能将标准输出重定向到file文件中？ A: cat /etc/passwd 1>file B: cat /etc/passwd >file C: cat /etc/passwd 0>file D: cat /etc/passwd >>file

下述各图给出的4个并发调度中，不是冲突可串行的是______。(1) T1 T2 Read (A)Write (B) Read (A)Write (A) (2) T1 T3 Read (A)Write (B) Read (B)Write (A) (3) T4 T5 Read (A)Write (B) Read (A)Write (B) (4) T1 T4 Read (A)Write (B) Read (A)Write (B) A: (1) B: (2) C: (3) D: (4)

用man命令查看read命令的帮助文档时，可以使用如下哪个命令？ A: man read B: man 1 read C: man 3 read‍ D: man 4 read

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