Online Access Free 1Z0-501 Practice Test

Which statement is true?

• A.If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, then the first thread definitely resumes execution as a direct and sole consequence of the notify call.
• B.If only one thread is blocked in the wait method of an object, and another thread executes the modify on that same object, then the first thread immediately resumes execution.
• C.If two threads are blocked in the wait method of one object, and another thread executes the notify method on the same object, then the first thread that executed the wait call first definitely resumes execution as a direct and sole consequence of the notify call.
• D.If a thread is blocked in the wait method of an object, and another thread executes the notify method on the same object, it is still possible that the first thread might never resume execution.

Given:
3 . int i= 1, j= 10 ;
4 . do (
5 . if (i++> --j) continue;
6 . ) while (i<5);
After execution, what are the values for I and j?

• A.i = 6 and j= 5
• B.i = 5 and j= 5
• C.i = 5 and j= 6
• D.i = 6 and j= 4
• E.i = 6 and j= 6

Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class?

• A.Protected void methoda(double d1) {}
• B.Abstract public void methoda();
• C.Static void methoda(double d1){}
• D.Public native double methoda() {}
• E.Public abstract double methoda();

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

Which constructs a BufferedIputStream?

• A.New BufferedInputStream(new FileInputStream("in.txt"));
• B.New BufferedInputStream(new Writer("in.txt"));
• C.New BufferedInputStream(new Writer("in.txt"));
• D.New BufferedInputStream("in.txt");
• E.New BufferedInputStream(new File("in.txt"));
• F.New BufferedInputStream(new InputStream("in.txt"));