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Oracle 1Z0-501 Exam Syllabus Topics:
| Section | Weight | Objectives |
| Topic 1: Object-Oriented Concepts | 20% | - Classes, inheritance, and interfaces
- 1. Polymorphism and casting
- 2. Access modifiers and encapsulation
- 3. Overloading and overriding
|
| Topic 2: Java I/O | 10% | - File and stream classes
- Reading/writing files and character encoding
|
| Topic 3: Flow Control and Exceptions | 15% | - Exception handling
- 1. Exception hierarchy
- 2. try, catch, finally, throw, throws
- Control structures
- 1. Break, continue, and assertions
- 2. if/else, switch, loops
|
| Topic 4: Collections and Generics | 15% | - Collection framework
- 1. Comparable and Comparator
- 2. List, Set, Map, and Queue
- Generics fundamentals
|
| Topic 5: Java API: java.lang | 15% | - Wrapper classes
- String and StringBuffer
- Math and Object class
|
| Topic 6: Java Basics | 15% | - Language fundamentals
- 1. Identifiers, keywords, and data types
- 2. Variable scope and initialization
|
| Topic 7: Concurrency | 10% | - Thread creation and lifecycle
- Synchronization and thread safety
|
Oracle Java Certified Programmer Sample Questions:
1. Given:
1 . package foo;
2 .
3 . public class Outer (
4 .public static class Inner (
5 .)
6 . )
Which statement is true?
A) An instance of the Inner class can be constructed with "new Outer.Inner ()"
B) From within the package bar, an instance of the inner class can be constructed with
"new inner()"
C) An instance of the inner class cannot be constructed outside of package foo.
D) An instance of the inner class can only be constructed from within the outer class.
2. Given an ActionEvent, which method allows you to identify the affected Component?
A) Public Component getComponent()
B) Public Component getTarget()
C) Public class getClass()
D) Public Object getSource()
E) Public Component getSource()
F) Public Component getTargetComponent()
3. Which gets the name of the parent directory file "file.txt"?
A) String name= (new File("file.txt")).getParentFile();
B) String name= (new File("file.txt")).getParent();
C) Directory dir=(new File ("file.txt")).getParentDir();
String name= dir.getName();
D) String name= File.getParentName("file.txt");
E) String name = (new File("file.txt")).getParentName();
4. Which two statements are true? (Choose Two)
A) An inner class may be declared as static.
B) An anonymous inner class can extend an abstract class.
C) An anonymous inner class can be declared as protected.
D) An anonymous inner class can be declared as private.
E) An anonymous inner class can be declared as public.
5. Which statements about static inner classes are true? (Choose Two)
A) A static inner class has access to the non-static members of the outer class.
B) A static inner class requires an instance of the enclosing class.
C) Static members of a static inner class can be referenced using the class name of the static innerclass.
D) A static inner class has no reference to an instance of the enclosing class.
E) A static inner class requires a static initializer.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: A,B | Question # 5 Answer: C,D |