1Z0-850 | A Review Of Refined 1Z0-850 braindumps

Q61. - (Topic 2) 

Which is true about association navigation? 

A. Association navigation is meaningful for only OO design, NOT implementation. 

B. Association navigation indicates which direction a relationship can be traversed. 

C. Association navigation is used to describe the relationship between a subclass and its superclass. 

D. Association navigation indicates how many instances of each object type are involved in an association. 


Q62. - (Topic 1) 

Given that TestClass relies on classes in the someJar.jar file in /some/dir, which javac invocation will correctly compile TestClass in the current directory? 

A. javac -classpath /some/dir/someJar.jar ./TestClass 

B. javac -classpath /some/dir/someJar.jar ./TestClass.java 

C. javac -classpath /some/dir/*.jar *.java 

D. javac ./*.java 

E. javac -classpath someJar.jar -sourcepath . TestClass.java 


Q63. - (Topic 2) 

Which two are true about HTML? (Choose two.) 

A. It is used by the browser to display the client user interface. 

B. It can be generated dynamically by servlets. 

C. It is an object-oriented programming language. 

D. It contains APIs that are used to access data in an RDBMS. 

Answer: A,B 

Q64. - (Topic 1) 



 abstract class A {} 


 class B {} 


 interface C {} 


 interface D {} 


 // insert code here 

Which, inserted at line 5, results in a compilation failure? 

A. class E implements C {} 

B. class E extends B implements D {} C. class E extends A {} 

D. interface E extends C, D {} 

E. class E extends A, B {} 

F. class E implements C, D {} 


Q65. - (Topic 1) 

A Java programmer wants to develop a small application to run on mobile phones. Which Java edition (or editions) are required to develop the application? 

A. only J2ME 

B. J2EE and J2ME 

C. J2SE and J2ME 

D. only J2EE 

E. J2SE and J2EE 

F. only J2SE 


Q66. - (Topic 2) 

Which two are benefits of JSP technology? (Choose two.) 

A. separation of servlet developer and JSP author roles 

B. separation of dynamic and static content 

C. simplified Swing GUI development 

D. portability to any HTTP server 

Answer: A,B 

Q67. - (Topic 2) 

Which type of primitive can be assigned a new value within a conditional expression? 

A. boolean 

B. int 

C. short 

D. char 

E. byte 


Q68. - (Topic 1) 

Which three classes are part of the java.io package? (Choose three.) 

A. File B. Socket 


D. Reader 

E. String 

F. BufferedWriter 

Answer: A,D,F 

Q69. - (Topic 1) 

Which two are characteristics of an RDBMS? (Choose two.) 

A. An RDBMS represents data using three-dimensional tables. 

B. J2EE provides a cross-platform RDBMS. 

C. Java technologies provide capabilities for connecting a legacy RDBMS to a web 


D. Business-tier applications use session beans to represent rows in an RDBMS. 

E. An RDBMS represents data using two-dimensional tables. 

Answer: C,E 

Q70. - (Topic 1) 

Which two are NOT Enterprise Beans? (Choose two.) 

A. JavaBeans 

B. message-driven beans 

C. session beans 

D. entity beans 

E. business beans 

Answer: A,E