Renovate 1z0-808: Pass4sure real answers from 21 to 30

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2017 Mar 1z0-808 free practice questions

Q21. Given: 

What is the result? 

A. True false 

B. True null 

C. Compilation fails 

D. A NullPointerException is thrown at runtime 

Answer:


Q22. Given the fragments: 

Which line causes a compilation error? 

A. Line n1 

B. Line n2 

C. Line n3 

D. Line n4 

Answer:


Q23. Class StaticField { 

static int i = 7; 

public static void main(String[] args) { 

StaticFied obj = new StaticField(); 

obj.i++; 

StaticField.i++; 

obj.i++; 

System.out.println(StaticField.i + " "+ obj.i); 

What is the result? 

A. 10 10 

B. 8 9 

C. 9 8 

D. 7 10 

Answer:


Q24. Given the code fragment: 

What is the result? 

A. 10 8 6 4 2 0 

B. 10 8 6 4 2 

C. AnArithmeticException is thrown at runtime 

D. The program goes into an infinite loop outputting: 10 8 6 4 2 0. . . 

E. Compilation fails 

Answer:


Q25. Given the fragment: 

What is the result? 

A. 13480.0 

B. 13480.02 

C. Compilation fails 

D. An exception is thrown at runtime 

Answer:


Renovate 1z0-808 free question:

Q26. Consider 

Integer number = Integer.valueOff 808.1"); 

Which is true about the above statement? 

A. The value of the variable number will be 808.1 

B. The value of the variable number will be 808 

C. The value of the variable number will be 0. 

D. A NumberFormatException will be throw. 

E. It will not compile. 

Answer:

Explanation: 

The Integer class value of 0 returns an Integer from given string. But we need to pass string which has correct format for integer otherwise it will throw a NumberFormatException. In this case we have passed string which is not an integer value (since what we passed is fractional number), so option D is correct. 


Q27. Given the code fragment: 

public class ForTest { 

public static void main(String[] args) { 

int[] array = {1, 2, 3}; 

for ( foo ) { 

Which three code fragments, when replaced individually for foo, enables the program to compile? 

A. int i : array 

B. int i = 0; i < 1; 

C. ; ; 

D. ; i < 1; i++ 

E. i = 0; i<1; 

Answer: A,B,C 


Q28. Given the code fragment: 

What is the result? 

A. Match 1 

B. Match 2 

C. No Match 

D. A NullPointerException is thrown at runtime. 

Answer:

Explanation: 

it will compare the string contents of the StringBuilder with string object. 


Q29. Given: 

A. X XX 

B. X Y X 

C. Y Y X 

D. Y YY 

Answer:


Q30. Given: 

Which two classes use the shape class correctly? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: B,E 

Explanation: When an abstract class is subclassed, the subclass usually provides implementations for all of the abstract methods in its parent class (E). However, if it does not, then the subclass must also be declared abstract (B). Note: An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed.