Upgrade to Java SE 7 Programmer (1Z1-805日本語版) - 1Z1-805日本語 Exam Practice Test

Question 1

import java.io.*;
public class SampleClass {
public static void main(String[] args) throws IOException {
try {
String dirName = args[0];
File dir = new File(dirName);
File.createTempFile("temp", "log", dir);
} catch (NullPointerException | IOException e) {
e = new IOException("Error while creating temp file");
throw e;
}
}
}

A. Option D

B. Option B

C. Option A

D. Option C

Correct Answer: C

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Question 2

class Fibonacci extends RecursiveTask<Integer> {
final int n;
Fibonacci (int n) { this.n = n }
Integer compute () {
if (n <= 1)
return n;
Fibonacci f1 = new Fibonacci (n - 1);
f1.fork;
Fibonacci f2 = new Fibonacci (n - 2);
return f2.compute() + f1.join; // Line **
}
}
Assume that line ** is replaced with:
return f1.join() + f2.compute(); // Line **

A. Option E

B. Option D

C. Option B

D. Option A

E. Option F

F. Option C

Correct Answer: C

Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).

Question 3

log - Jan2009
log_01_2010
log_Feb2010
log_Feb2011
log-sum-2012

PathMatcher matcher = FileSystems.getDefault ().getPathMatcher ("glob:???_*1");

A. 2

B. 1

C. 5

D. 3

E. 4

F. 6

Correct Answer: B

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Question 4

A. Connection con = Drivermanager.getConnection ("jdbc:xyzdata: //localhost:3306/EmployeeDB");

B. DriverManager.loadDriver("org.xyzdata.jdbc.network driver");

C. Class.forname ("org.xyzdata.jdbc.NetWorkDriver");

D. Connection con = Connection.getDriver ("jdbc:xyzdata: //localhost:3306/EmployeeDB");

Correct Answer: C

Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).

Question 5

public class CrusherRobot {
public void walk () {}
public void positionArm (int x, int y, int z) {}
public void raiseHammer() {}
public void dropHammer() {}
}
public class GripperRobot {
public void walk() {}
public void moveArm (int x, int y, int z) {}
public void openGripper () {}
public void closeGripper() {}
}

A. Option D

B. Option B

C. Option A

D. Option C

Correct Answer: B

Question 6

SimpleDateFormat sdf;

A. sdf = new SimpleDateFormat ("mm", Locale.UK); System.out.printIn ( "Result: " + sdf.format(new Date()))

B. sdf = new SimpleDateFormat ("MMM", Locale.UK); System.out.printIn ( "Result: " + sdf.format(new Date()))

C. sdf = new SimpleDateFormat ("MM", Locale.UK); System.out.printIn ( "Result: " + sdf.format(new Date()))

D. sdf = new SimpleDateFormat ("MMMM", Locale.UK); System.out.printIn ( "Result: " + sdf.format(new Date()))

Correct Answer: C

Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).

Question 7

A. Option D

B. Option B

C. Option A

D. Option C

Correct Answer: B

Question 8

Locale loc1 = Locale.getDefault ();
ResourceBundle messages = ResourceBundle.getBundle("MessageBundle", loc1);

A. messages = ResourceBundle.getBundle ("MessageBundle", Locale.CHINA);

B. loc1 = ResourceBundle.getBundle ("MessageBundle", new Locale ("es", "ES"));

C. loc1 = ResourceBundle.getBundle ("MessageBundle", Locale.CHINA);

D. messages = ResourceBundle.getBundle ("messageBundle", new Locale ("es", "ES"));

Correct Answer: A,D

Question 9

static void addContent () throws Exception {
Path path = Paths.get("D:\\company\\report.txt");
UserPrincipal owner = path.getFileSystem().getUserPrincipalLookupService().lookupPrincipalByName("Bob");
Files.setOwner(path, owner);
// insert code here - Line **
br.write("this is a text message ");
}
System.out.println("success");
}
Assume that the report.txt file exists.

A. try (BufferWriter br = Files.newBufferedWriter (path, Charset.forName ("UTF - 8"), new
openOption []
{StandardOpenOption.CREATE, StandardOpenOption.Append, StandardOpenOption.DSYNC}};}
{

B. try (BufferWriter br = Files.newBufferedWriter (path, Charset.forName ("UTF - 8"), new
openOption [] {StandardOpenOption.APPEND, StandardOpenOption.SYNC));){

C. try (BufferWriter br = Files.newBufferedWriter (path, Charset.forName ("UTF - 8"), new
openOption [] {StandardOpenOption.APPEND, StandardOpenOption.DSYNC}

D. try (BufferWriter br = Files.newBufferedWriter (path, Charset.forName ("UTF - 8"), new
openOption [] {StandardOpenOption.APPEND, StandardOpenOption.ASYNC});) {

E. try (BufferWriter br = Files.newBufferedWriter (path, Charset.forName ("UTF - 8"), new
openOption []
{StandardOpenOption.CREATENEW, StandardOpenOption.APPEND,
StandardOpenOption.SYNC}}
}

Correct Answer: C

Explanation: Only visible for Actualtests4sure members. You can sign-up / login (it's free).

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