1Z0-804 Exam Questions

Given the code fragment: What is the result, if the file salesreport.dat does not exist?

Given the code fragment: If the file userguide.txt does not exist, what is the result?

Given that myFile.txt contains: What is the result?

Given the code fragment: Which code fragment inserted at line ***, enables the code to compile?

Given that myfile.txt contains: What is the result?

Given: What is the result?

Given the code fragment: Which two try statements, when inserted at line ***, enable the code to successfully move the file info.txt to thedestination directory, even if a file by...

The default file system includes a logFiles directory that contains the following files: Log-Jan 2009 log_0l_20l0 log_Feb20l0 log_Feb2011 log_10.2012 log-sum-2012 How many files do...

Given the following files in doc directory: - Index.htm - Service.html - Logo.gif - Title.jpg And the code fragment: What is the result, if doc is present in the current directory?

Which code fragment correctly appends "Java 7" to the end of the file /tmp/msg.txt?

Given the following code fragment: 10. p1 = paths.get("report.txt"); 11. p2 = paths.get("company"); 12. / / insert code here Which code fragment, when inserted independently at lin...

Given the code fragment: What is the result when the result.txt file already exists in c:\student?

An application is waiting for notification of changes to a tmp directory using the following code statements: Path dir = Paths.get("tmp") WatchKey key = dir.register (watcher, ENTR...

Given: What is the result?

Given the code fragment: What is the result?

ITEM Table * ID, INTEGER: PK * DESCRIP, VARCHAR(100) * PRICE, REAL * QUALITY, INTEGER And given the code fragment (assuming that the SQL query is valid): What is the result of comp...

Which code fragment demonstrates the proper way to handle JDBC resources?

Given the code fragment: What is the result of the employees table has no records before the code executed?

Given the code fragment: Assume that the SQL queries return records. What is the result of compiling and executing this code fragment?

Which two actions can be used in registering a JDBC 3.0 driver?

Given the code fragment: What change should you make to apply good coding practices to this fragment?

Which two statements are true about RowSet subinterfaces?

Which code fragment is required to load a JDBC 3.0 driver?

Which three are true?

Given the code fragment: Assume that the SQL query matches one record. What is the result of compiling and executing this code?

Given: Which two are true?

Which two demonstrate the valid usage of the keyword synchronized?

Given: What is the result?

Given the fragment: If thread a and thread b are running, but not completing, which two could be occurring?

Which three statements are correct about thread's sleep method?

Given: Which two are true?

Which class(es) safely protects the doIt () method from concurrent thread access?

Given the interface: Public interface Idgenerator { int getNextId(); } Which class implements IdGenerator in a thread-safe manner, so that no threads can get a duplicate id valuecu...

Given the code fragment: What is the result?

Given: From what threading problem does the program suffer?

Given: ConcurrentMap <String, String> PartList = new ConcurrentMap<>(); Which fragment puts a key/value pair in partList without the responsibility of overwriting an existing key?

Give: What is the likely result?

Given: import java.util.concurrent.atomic.AtomicInteger; public class AtomicCounter { private AtomicInteger c = new AtomicInteger(0); public void increment() { // insert code here...

Given the following incorrect program: Which two changes make the program work correctly?

How many Threads are created when passing task to an Executor instance?

Given: What is the most likely result?

Given this error message when running your application: Exception in thread "main" java.util.MissingResourceException: Can't find bundle for base name MessageBundle, locale And giv...

Which two code blocks correctly initialize a Locale variable?

Given the code fragment: SimpleDataFormat sdf; Which code fragment displays the three-character month abbreviation?

Given three resources bundles with these values set for menu1: (the default resource bundle in US English.) English US Resource Bundle Menu1 = small French Resource Bundle Menu1 =...

Which is a factory method from the java.text.NumberFormat class?

Given the code format: SimpleDateFormat sdf; Which code statements will display the full text month name?

Select four examples that initialize a NumberFormat reference using a factory.

Given the Greetings.properties file, containing: What is the result?

You have been asked to create a ResourceBundle file to localize an application. Which code example specifies valid keys menu1 and menu2 with values of File Menu and View Menu?