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2017 Mar 1z0-808 free exam questions

Q11. 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:


Q12. Given the code fragment: 

Which statement is true? 

A. After line 8, three objects are eligible for garbage collection 

B. After line 8, two objects are eligible for garbage collection 

C. After line 8, one object is eligible for garbage collection 

D. After line 8, none of the objects are eligible for garbage collection 

Answer:


Q13. Given: 

What is the result? 

A. Shining Sun Shining Sun Shining Sun 

B. Shining Sun Twinkling Star Shining Sun 

C. Compilation fails 

D. A ClassCastException is thrown at runtime 

Answer:


Q14. 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 


Q15. Given the code fragment: 

Which three lines fail to compile? 

A. Line 7 

B. Line 8 

C. Line 9 

D. Line 10 

E. Line 11 

F. Line 12 

Answer: A,D,F 


Most up-to-date 1z0-808 test questions:

Q16. Given the code fragment: 

What is the result? 

A. 1:2:3:4:5: 

B. 1:2:3: 

C. Compilation fails. 

D. An ArrayoutofBoundsException is thrown at runtime. 

Answer:


Q17. Given: 

What is the result? 

A. 2 4 6 8 10 12 

B. 2 4 6 8 10 12 14 

C. Compilation fails 

D. The program prints multiple of 2 infinite times 

E. The program prints nothing 

Answer:


Q18. Given the code fragment: 

StringBuilder sb = new StringBuilder ( ) ; 

Sb.append (“world”); 

Which code fragment prints Hello World? 

A. sb.insert(0,"Hello "); 

System.out.println(sb); 

B. sb.append(0,"Hello "); 

System.out.println(sb); 

C. sb.add(0,"Hello "); 

System.out.println(sb); 

D. sb.set(0,"Hello "); 

System.out.println(sb);D 

Answer:

Explanation: The java.lang.StringBuilder.insert(int offset, char c) method inserts the string representation of the char argument into this sequence. The second argument is inserted into the contents of this sequence at the position indicated by offset. The length of this sequence increases by one.The offset argument must be greater than or equal to 0, and less than or equal to the length of this sequence. 

Reference: Java.lang.StringBuilder.insert() Method 


Q19. Given: 

class MarksOutOfBoundsException extends IndexOutOfBoundsException { } 

public class GradingProcess { 

void verify(int marks) throws IndexOutOfBoundsException { 

if (marks > 100) { 

throw new MarksOutOfBoundsException(); 

if (marks > 50) { 

System.out.print("Pass"); 

} else { 

System.out.print("Fail"); 

public static void main(String[] args) { 

int marks = Integer.parseInt(args[2]); 

try { 

new GradingProcess().verify(marks)); 

} catch(Exception e) { 

System.out.print(e.getClass()); } } } 

And the command line invocation: 

Java grading process 89 50 104 

What is the result? 

A. Pass 

B. Fail 

C. Class MarketOutOfBoundsException 

D. Class IndexOutOfBoundsException 

E. Class Exception 

Answer:

Explanation: The value 104 will cause a MarketOutOfBoundsException 


Q20. Given the code fragment: 

class Student { 

int rollnumber; 

String name; 

List cources = new ArrayList(); 

// insert code here 

public String toString() { 

return rollnumber + " : " + name + " : " + cources; 

And, 

public class Test { 

public static void main(String[] args) { 

List cs = newArrayList(); 

cs.add("Java"); 

cs.add("C"); 

Student s = new Student(123,"Fred", cs); 

System.out.println(s); 

Which code fragment, when inserted at line // insert code here, enables class Test to print 123 : Fred : [Java, C]? 

A. 

private Student(int i, String name, List cs) { 

/* initialization code goes here */ 

B. 

public void Student(int i, String name, List cs) { 

/* initialization code goes here */ 

C. 

Student(int i, String name, List cs) { 

/* initialization code goes here */ 

D. 

Student(int i, String name, ArrayList cs) { 

/* initialization code goes here */ 

Answer:

Explanation: 

Incorrect: 

Not A: Student has private access line: Student s = new Student(123,"Fred", cs); 

Not D: Cannot be applied to given types. Line: Student s = new Student(123,"Fred", cs);