Oracle 1Z1-804 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1Z1-804
Exam Name/Title: Java SE 7 Programmer II Exam
Certification Provider: Oracle
Corresponding Certification: Java and Middleware

Exam Questions: 150
Updated On: Aug 24, 2026

Question #1

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

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

B. FileWriter w = new FileWriter("/tmp/msg.txt", true);
append("Java 7");
close();

C. FileWriter w = new FileWriter("/tmp/msg.txt", FileWriter.MODE_APPEND);
append("Java 7");
close();

D. FileWriter w = new FileWriter("/tmp/msg.txt");
append("Java 7");
close();

Discussion 0

Correct Answer: B Vote an answer

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

Question #2

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, ENTRY_CREATE, ENTRY_DELETE, ENTRY_MODIFY) ;
In the tmp directory, the user renames the file testA to testB,
Which statement is true?

A. The events received and the order of events are consistent across all Microsoft Windows versions.

B. The events received and the order of events are consistent across all platforms.

C. The events received and the order of events are platform dependent.

D. The events received and the order of events are consistent across all UNIX platforms.

Discussion 0

Correct Answer: B Vote an answer

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

Question #3

Given the integer implements comparable: What is the result?

A. 4 1

B. 1 2

C. 2 3

D. 21

E. 32

Discussion 0

Correct Answer: D Vote an answer

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

Question #4

Which statement declares a generic class?

A. public class Example (Generic) { }

B. public class <Example> { }

C. public class Example < T > { }

D. public class Example (G) { }

E. public class Example { }

F. public class Example <> { }

Discussion 0

Correct Answer: C Vote an answer

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

Question #5

Given:

Which three values will appear in the output?

A. 5

B. b1

C. a1

D. b2

E. 7

F. a2

Discussion 0

Correct Answer: A,B,F Vote an answer

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

Question #6

Given that myFile.txt contains:

What is the result?

A. IOExcepton

B. 1: First
2: Second
3:
Third

C. Compilation fails

D. 1: First
2: Second
3:
First

E. 1: First
2: First
3:
First

Discussion 0

Correct Answer: D Vote an answer

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

Question #7

Which two compile?

A. interface Compilable {
final void compile();
}

B. interface Compilable { static void compile(); }

C. interface Compilable { abstract void compile(); }

D. interface Compilable {
void compile();
}

E. interface Compilable {
protected abstract void compile ();
}

Discussion 0

Correct Answer: C,D Vote an answer

Question #8

Given:

Which two are true?

A. Greeting is printed once.

B. One new thread of execution is started within the main method.

C. Two new threads of execution are started within the main method.

D. Greeting is printed twice.

E. A runtime exception is thrown on line 9.

F. No output is produced.

G. No new threads of execution are started within the main method.

Discussion 0

Correct Answer: A,G Vote an answer

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

Question #9

Given the code fragment:
DateFormat df;
Which statement defines a new Dateformat object that displays the default date format for the UK Locale?

A. df = DateFormat.getDateInstance (DateFormat.DEFAULT, UK);

B. df = new DateFormat.getDateInstance (DateFormat.DEFAULT, Locale (UK));

C. df = DateFormat.getDateInstance (DateFormat.DEFAULT, Locale (UK));

D. df = DateFormat.getDateInstance (DateFormat.DEFAULT, Locale.UK);

E. df = new DateFormat.getDateInstance (DateFormat.DEFAULT, Locale.UK);

Discussion 0

Correct Answer: D Vote an answer

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

Download Free Oracle 1Z1-804 Demo

Simply submit your e-mail address below to get started with our free demo of your Oracle 1Z1-804 exam.