What Downloadable 1Z0-850 dumps Is?

Q1. - (Topic 2) 

You need to create a class Foo that will record the number of times the go() method is invoked on a particular instance of the class. Which solution correctly implements this goal? 

A. Declare a local variable invokeCount inside the go() method, and increment the variable within the go() method. 

B. Declare a static variable invokeCount for the class Foo, and increment the variable within the go() method. 

C. Declare a method parameter invokeCount as the argument to the go() method, and increment the variable within the go() method. 

D. Declare an instance variable invokeCount for the class Foo, and increment the variable within the go() method. 

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Q2. - (Topic 2) 

You need to create a class Foo that will record the number of times the go() method is invoked on a particular instance of the class. Which solution correctly implements this goal? 

A. Declare a local variable invokeCount inside the go() method, and increment the variable within the go() method. 

B. Declare an instance variable invokeCount for the class Foo, and increment the variable within the go() method. 

C. Declare a static variable invokeCount for the class Foo, and increment the variable within the go() method. 

D. Declare a method parameter invokeCount as the argument to the go() method, and increment the variable within the go() method. 

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Q3. - (Topic 2) 

Given two complete source files: 

1.

 /* Example.java */ 

2.

 package pack; 

3.

 public class Example { } 

1.

 /* Test.java */ 

2.

 // insert code here 

3.

 public class Test { 

4.

 public static void main(String args[]) { 

5.

 Example obj = new Example(); 

6.

 } 

7.

 } 

Which, inserted at line 2 in Test.java, allows the code to compile? 

A. import pack; 

B. The code compiles with no changes. 

C. import pack.Test; 

D. import pack.Example; 

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Q4. - (Topic 1) 

Which two technologies are primarily focused on developing Web Services? (Choose two.) 

A. UDDI 

B. JSP 

C. RDBMS 

D. WSDL 

E. JDBC 

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Q5. - (Topic 1) 

Which is a valid definition of an interface called Transportable given another valid interface, Movable? 

A. class Movable extends Transportable { /*...*/ } 

B. interface Transportable extends Movable { /*...*/ } 

C. class Movable implements Transportable { /*...*/ } 

D. interface Transportable implements Movable { /*...*/ } 

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Q6. - (Topic 1) 

Click the Exhibit button. 

Which class has a superclass relationship? 

A. Z 

B. Y 

C. X 

D. W 

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Q7. - (Topic 2) 

Which two correctly import the Map class in the java.util package? (Choose two.) 

A. import *.Map; 

B. package java.util.Map; 

C. import Map; 

D. import java.util.Map; 

E. package java.util.*; 

F. import java.util; 

G. import java.util.*; 

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Q8. - (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. 

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Q9. - (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 

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Q10. - (Topic 2) 

Which object-oriented principle is supported by the use of Java packages? 

A. encapsulation 

B. polymorphism 

C. inheritance 

D. dynamic typing 

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