Free Oracle 1Z0-804 Exam Dumps Questions & Answers

Given the code fragment:

What is the result?

• A.  getName(0): C:\ subpth(0, 2): C:\education
• B.  getName(0): education subpath (0, 2): education\institute
• C.  getName (0): C:\
  subpath (0, 2): C:\education\report.txt
• D.  getName(0): report.txt subpath(0, 2): insritute\student
• E.  getName(0): education subpath(0, 2): education\institute\student

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

• A.  FileWriter w = new FileWriter("/tmp/msg.txt", FileWriter.MODE_APPEND);
  append("Java 7");
  close();
• B.  FileWriter w = new FileWriter("/tmp/msg.txt");
  append("Java 7");
  close();
• C.  FileWriter w = new FileWriter("/tmp/msg.txt", true);
  append("Java 7");
  close();
• D.  FileWriter w = new FileWriter("/tmp/msg.txt", Writer.MODE_APPEND);
  append("Java 7");
  close();

Given:

What is the result?

• A.  false \sales\quarter\ . . \qtrlreport.txt
• B.  true . . \ . . \ . . \ annualreport.txt
• C.  true \ . . \ . . \annualreport.txt
• D.  false \quarter\ . . \qtrlreport.txt

Given:

From what threading problem does the program suffer?

• A.  starvation
• B.  livelock
• C.  deadlock
• D.  race condition

Given the code fragment:

Assume the method printNums is passed a valid array containing data. Why is this method not producing output on the console?

• A.  There is a runtime exception.
• B.  Standard error is mapped to another destination.
• C.  There is a compilation error.
• D.  The variable number is not initialized.