Why did the speaker once assume the manager was sick?
A.Because he looks very unhappy.
B.Because he usually wore a hard wing collar.
C.Because the left side of his face was swollen.
D.Because the right side of his face was swollen.
第1题
在下列程序的横线处填入正确的语句,实现RandomAccessFile类使用。 package ch1; import java. io. *; public class ex27 { public static void main(String args[] ) { try { RandomAccessFile in = new in.close (); } catch (Exception e) { e.printStackTrace (); } } }
A.RandomAccessFileC"ch1/file.dat", "read")
B.RandomAccessFile("r", "ch1/file.dat")
C.RandomAccessFile("ch1/file.dat" , "r")
D.RandomAecessFile("read", "ch1/file.dat")
第2题
下列程序实现对ZIP文件filel4.zip的检索,在横线处填入正确的语句。 package ch1; import java.io.*; import java.util.*; import java.util.zip.*; public class exl4 { publio static void main(String[] args} { try { FileInputStream fis = new FileInputStream("chl/filel4.zip"); ZipInputStream zis = new zipInputStream(fis); ZipEntry en; while((______) ! = null) { en.getName(); zis.clcseEntry(); } zis.close(); } catch(Exception e) { e.printStackTrace(); } } }
A.en = zis.getNexTEnTRY()
B.en = zis.getEntry()
C.en=zis.getNextEntry()
D.zis.getNextEntry()
第3题
下列程序将Date对象写入文件file42.txt中,选择正确的语句填入下列程序中的横线处。 package ch1; impbrt java. io. *; import java. util. *; public class ex42 { static String fileName = "ch1\\file42.txt"; static Date date = null; public static void main(String[] args) { date = new Date(); try { FileOutputStream fos = new FileOutputStream(file Name); ObjectOutStream os = new ObjectOutputStream(fos); oos.______; oos.close(); fos.close(); System.out.println(date.toString()); } catch(Exception e) { System.out.println(e.getMessage()); } } }
A.writeObject()
B.writeObject(date)
C.write(date)
D.writeByte(date)
第4题
下列程序将类C15的对象写入文件filetxt,选择正确的语句填入下列程序的横线处。 package ch2; import java.util.*; import java.io.*; class C15______ { public iht a; public void setInt(int newa) { a = newa; } } public class Testl5 { pulibc static void main(String[] args) { C15 bj = new C15(); try { FileOutputStream fos =newFileOutputStream("ch2\\filel5.txt"); ObjectOutputStream os = ObjectOutputStream(fos); Obj.setInt(10); oos.writeObject(obj); oos.close (); fos.close(); } catch(IOException ioe) { ioe.printStackTrace(); } } }
A.implements Runnable
B.implements Sedalizable
C.extends Serializable
D.implements InputStream
第5题
下列程序实现对ZIP文件file.zip的检索,在横线处填入正确的语句 package test; import java.io.*; import java.util.*; import java.util.zip.*; public class Exam { public static void main(String[] args){ try{ FileInputStream fis=new FileInputStream("test/file.zip"); ZipInputStream zis=new ZipInputStream(fis); ZipEntry en; while((______)!=null){ en.getName(); zis.closeEntry(); } zis.close(); } catch(Exception e){ e.printStackTrace(); } } }
A.en=zis.getNextEntry()
B.en==zis.getNextEntry()
C.en=zis.getEntry()
D.zis.getNextEntry()
第6题
下列程序实现对ZIP文件file.zip的检索,在横线处填入正确的语句 package test; import java.io.*: import java.util.*; import java.util.zip.*; public class Exam { public static void main(String[])args){ try{ FileInputStream fis=new FileInputStream("test/file.zip"); ZipInputStreamzis=new ZipInputStream(fis); ZipEntry en; while ((_____)!=null){ en.getName(); zis.closeEntry(); } zis.close(); } catch(Exception e) { e.printStackTrace(); } } }
A.en = zis.getNextEntry()
B.en = zis.getNextEntry()
C.en = zis.getEntry()
D.zis.getNextEntry()
第7题
(8 )在下列 Java applet 程序的横线处填入代码,使程序完整并能够正确运行。
Import java. awt. *;
Import java. applet. *;
Public class Greeting extends applet{
Public void 【 8 】 (Graphics g) {
g.drawSting(“ how are you! ” ,10,10);
}
}
第8题
下面程序实现对zip文件file.zip的查询,在横线处填上正确的语句______。 package test; import java.io.*; import java.util.*; import java.util.zip.*; public class Exam{ public static void main(String[ ]args){ try{ FileInputStream fis=new FileInputStream("test/file.zip"); ZipInputStream zis=new ZipInputStream(fis); ZipEntry en; while((______)!=null){ en.getName(); zis.closeEntry(); } Zis.close(); }catch(Exception e){e.printStackTrace();} } }
A.en=zis.getNextEntry()
B.en==zis.getNextEntry()
C.en=zis.getEntry()
D.zis.getNextEntry()
第9题
2下列程序实现对ZIP 文件file.zip 的检索,在横线处填入正确的语句是()。package test;import java.io.*;import java.util.*; import java.util.zip.*;public class Exam{ public static void main(String[] args){ try{ FileInputStream fis = new FilelnputStream("test/file.zip"); ZipInputStream zis = new ZiplnputStream(fis); ZipEntry en; while ((______ )!= null){ en.getName(); zis.closeEntry(); } zis.close(); } catch(Exception e){ e.pfintStackTrace(); }}
A.en = zis. getNextEntry()
B.en == zis.getNextEntry(
C.en=zis. getEntry()
D.zis.getNextEntry()
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!