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2017 Mar 1z0-808 dumps

Q61. Given the code fragment: 

What is the result? 

A. Execution terminates in the first catch statement, and caught a RuntimeException is printed to the console. 

B. Execution terminates In the second catch statement, and caught an Exception is printed to the console. 

C. A runtime error is thrown in the thread "main". 

D. Execution completes normally, and Ready to us. is printed to the console. 

E. The code fails to compile because a throws keyword is required. 

Answer:


Q62. Given: 

What is the result? 

A. Good Day! Good Luck! 

B. Good Day! Good Day! 

C. Good Luck! Good Day! 

D. Good Luck! Good Luck! 

E. Compilation fails 

Answer:


Q63. Given the following array: 

Which two code fragments, independently, print each element in this array? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: B,E 

Explanation: All the remaining options have syntax errors 


Q64. Given: 

public class ComputeSum { 

public int x; 

public int y; 

public int sum; 

public ComputeSum (int nx, int ny) { 

x = nx; y =ny; 

updateSum(); 

public void setX(int nx) { x = nx; updateSum();} 

public void setY(int ny) { x = ny; updateSum();} 

void updateSum() { sum = x + y;} 

This class needs to protect an invariant on the sum field. 

Which three members must have the private access modifier to ensure that this invariant is maintained? 

A. The x field 

B. The y field 

C. The sum field 

D. The ComputerSum ( ) constructor 

E. The setX ( ) method 

F. The setY ( ) method 

Answer: C,E,F 

Explanation: The sum field and the two methods (setX and SetY) that updates the sum field. 


Q65. View the exhibit. 

Given the code fragment: 

Which change enables the code to print the following? 

James age: 20 

Williams age: 32 

A. Replacing line 5 with public static void main (String [] args) throws MissingInfoException, AgeOutofRangeException { 

B. Replacing line 5 with public static void main (String [] args) throws.Exception { 

C. Enclosing line 6 and line 7 within a try block and adding: catch(Exception e1) { //code goes here} catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

D. Enclosing line 6 and line 7 within a try block and adding: catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

Answer:


Replace 1z0-808 sample question:

Q66. Which two actions will improve the encapsulation of a class? 

A. Changing the access modifier of a field from public to private 

B. Removing the public modifier from a class declaration 

C. Changing the return type of a method to void 

D. Returning a copy of the contents of an array or ArrayList instead of a direct reference 

Answer: A,D 

Reference: http://www.tutorialspoint.com/java/java_access_modifiers.htm 


Q67. Given: 

What is the result? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q68. Given: 

What is the result? 

A. 100 210 

B. Compilation fails due to an error in line n1 

C. Compilation fails due to an error at line n2 

D. Compilation fails due to an error at line n3 

Answer:


Q69. Given the following class: 

And given the following main method, located in another class: 

Which three lines, when inserted independently at line n1, cause the program to print a o balance? 

A. this.amount = 0; 

B. amount = 0; 

C. acct (0) ; 

D. acct.amount = 0; 

E. acct. getAmount () = 0; 

F. acct.changeAmount(0); 

G. acct.changeAmount(-acct.amount); 

H. acct.changeAmount(-acct.getAmount()); 

Answer: D,G,H 


Q70. Given the code fragment: 

What is the result? 

A. Sum is 600 

B. Compilation fails at line n1. 

C. Compilation fails at line n2. 

D. A ClassCastException is thrown at line n1. 

E. A ClassCastException is thrown at line n2. 

Answer: