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Oracle 1Z0-501 Exam Syllabus Topics:

Oracle Java Certified Programmer Sample Questions:

1. Which two statements are reserved words in Java? (Choose Two)

A) Import
B) Run
C) Implement
D) Default

2. The file "file.txt" exists on the file system and contsins ASCII text.
Given:
3 8. try {
3 9. File f = new File("file.txt");
4 0. OutputStream out = new FileOutputStream(f, true);
4 1. }
4 2. catch (IOException){}
What is the result?

A) An exception is thrown because the file is not closed.
B) The code does not compile.
C) The code runs and sets the length of the file to 0.
D) The code runs and deletes the file from the file system.
E) The code runs and no change is made to the file.

3. Given:
1 . public class test (
2 . public static void main (String args[]){
3 .int i = 0xFFFFFFF1;
4 .int j = ~i;
5 .
6 .}
7 . )
What is the decimal value of j at line 5?

A) 1
B) An error at line 4 causes compilation to fail.
C) -15
D) 0
E) An error at line 3 causes compilation to fail.
F) 14

4. Exhibit:
1 . class A implements runable (
2 . int i;
3 . public void run () (
4 . try (
5 . thread.sleep(5000);
6 . i= 10;
7 .) catch(InterruptedException e) {}
8 .)
9 .)
1 0.
1 1. public class Test {
1 2. public static void main (string args[]) (
1 3. try (
1 4. A a = new A ();
1 5. Thread t = new Thread (a);
1 6. t.start();
1 7.
1 8. int j= a.i;
1 9.
2 0. ) catch (Exception e) {}
2 1. )
2 2. )
Which statement al line 17 will ensure that j=10 at line 19?

A) t.interrupt();
B) a.notify();
C) t.notify();
D) t.join();
E) t.wait();
F) a.wait();
G) t.yield();

5. Which two can directly cause a thread to stop executing? (Choose Two)

A) Calling the wait method on an object.
B) Exiting from a synchronized block.
C) Calling the setPriority method on a thread object.
D) Calling the notifyAll method on an object.
E) Calling the notify method on an object.

Solutions: