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2016 Nov 1Z0-850 latest exam

Q31. - (Topic 1) 

Click the Exhibit button. Which code correctly implements the association between A and B? 

A. class A { 

private B[] b; 

class B { 

private A a; 

B. class A { 

private B[] b; 

class B { } 

C. class A { } 

class B { 

private A[] a; 

D. class A { } 

class B { 

private A a; 

E. class A { 

private B b; 

class B { 

private A[] a; 

F. class A { 

private B b; 

class B { } 

Answer:


Q32. - (Topic 2) 

Which two are true? (Choose two.) 

A. Classes in the java.awt package are used to paint objects on canvases. 

B. Classes in the java.awt package inherit many behaviors from classes in the java.swing package. 

C. Classes in the javax.swing package provide support for complex GUI components, such as tables and trees. 

D. Classes in the java.awt package are designed to provide lightweight components that work the same across different platforms. 

Answer: A,C 


Q33. - (Topic 1) 

How can the two class paths be set for the javac compiler? (Choose two.) 

A. using the PATH environment variable 

B. using the -classpath option to java 

C. using the CLASSPATH environment variable 

D. using the -sourcepath option to javac 

E. using the -classpath option to javac 

F. using the BIN environment variable 

G. using the -classes option to javac 

Answer: C,E 


Q34. - (Topic 1) 

What is the purpose of JNDI? 

A. to access native code from a Java application 

B. to parse XML documents 

C. to access various directory services using a single interface 

D. to register Java Web Start applications with a web server 

Answer:


Q35. - (Topic 1) 

Click the Exhibit button. Which class correctly implements the interface Flyer? 

A. Penguin 

B. Helicopter 

C. Airplane 

D. Lark 

Answer:


Up to date 1Z0-850 exam engine:

Q36. - (Topic 1) 

You have developed a MIDlet that runs on a Java-enabled Personal Digital Assistant (PDA) device. Now, your employer has asked you to port the MIDlet to run on other Java platforms. Which is true? 

A. The MIDlet is 100% portable across all J2ME devices. 

B. The MIDlet can run within a standard web browser. 

C. The MIDlet is guaranteed to run correctly under J2SE. 

D. The MIDlet is NOT guaranteed to run on a Java technology-enabled phone. 

Answer:


Q37. - (Topic 2) 

Click the Exhibit button. 

Which diagram best represents the relationship "A Dog has four Legs" based on the 

definitions of association and composition? 

A. A 

B. C 

C. D 

D. B 

Answer:


Q38. - (Topic 2) 

Which is a valid abstract class? 

A. public abstract class Car { 

protected abstract void accelerate(); 

B. public abstract class Car { 

protected void accelerate(); 

C. public abstract class Car { 

protected abstract void accelerate() { 

// more code here 

D. public interface Car { 

protected abstract void accelerate(); 

E. public abstract class Car { 

protected final void accelerate(); 

Answer:


Q39. - (Topic 2) 

Which is true regarding multiplicity? 

A. It is used to indicate the number of instances of a class that may be associated with an instance of some other class. 

B. It is used to indicate which class some other class extends. 

C. It is used to show the interfaces implemented by a class. 

D. It is used to indicate of which class an object is an instance. 

Answer:


Q40. - (Topic 2) 

Which two are true? (Choose two.) 

A. MIDP does NOT have an API to support text messaging. 

B. J2ME can be used to make network-connected household appliances. 

C. A MIDP device must support wireless downloading of software. 

D. MIDP does NOT have an API to support audio. 

Answer: B,C