Title:  Sun Certified Associate for the Java Platform, Standard Edition, Exam Version 1.0 questions

Description:
The Sun Certified Associate for the Java Platform, Standard Edition, Exam Version 1.0 certification exam provides an ideal entry into an application development or a software project management career using Java technologies. This worldwide credential validates basic knowledge of Object-Oriented Concepts, UML representation of OO concepts, the Java programming language, and general knowledge of Java Platforms and Technologies. Candidates for this exam include: entry level Java programmers, students studying to become Java programmers, project or program managers working with Java technology in the software development industry. 

Number of questions:  64 questions

Has explanations:  Yes

Objectives:

1. Section 5: OO Concepts
2. Section 2: UML Representation of Object-Oriented Concepts
3. Section 3: Java Implementation of Object-Oriented Concepts
4. Section 4: Algorithm Design and Implementation
5. Section 6: Java Platforms and Integration Technologies
6. Section 7: Client Technologies
7. Section 8: Server Technologies
8. Operational / Organizational Security 15%

Given: 10. interface Foo {} 11. class Alpha implements Foo {} 12. class Beta extends Alpha {} 13. class Delta extends Beta { 14. public static void main( String[] args ) { 15. Beta x = new Beta(); 16. // insert code here 17. } 18. } Which code, inserted at line 16, will cause ajava.lang.ClassCastException?

Answer(s)

• - Alphaa = x;
• - Foo f = (Delta)x;
• - Foo f? = (Alpha)x;
• - Beta b = (Beta)(Alpha)x

Correct Answer

• - Foo f = (Delta)x;