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Q131. Given the content of three files: 

Which statement is true? Which statement is true? 

A. Only the A.Java file compiles successfully. 

B. Only the B.java file compiles successfully. 

C. Only the C.java file compiles successfully. 

D. The A.Java and B.java files compile successfully. 

E. The B.java and C.java files compile successfully. 

F. The A.Java and C.java files compile successfully. 

Answer:

Explanation: In class B.Java doStuff() has access modifier with variable name which is not allowed. C.Java class name is different than file name. Only private classes can have different names than file names 


Q132. 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 


Q133. You are asked to develop a program for a shopping application, and you are given the following information: 

. The application must contain the classes Toy, EduToy, and consToy. The Toy class is the superclass of the other two classes. 

. The int caicuiatePrice (Toy t) method calculates the price of a toy. 

. The void printToy (Toy t) method prints the details of a toy. 

Which definition of the Toy class adds a valid layer of abstraction to the class hierarchy? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer:


Q134. Given: 

Which option enables the code to compile? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

Answer: C,D 


Q135. Given the code fragment: 

String[] cartoons = {"tom","jerry","micky","tom"}; 

int counter =0; 

if ("tom".equals(cartoons[0])) { 

counter++; 

} else if ("tom".equals(cartoons[1])) { 

counter++; 

} else if ("tom".equals(cartoons[2])) { 

counter++; 

} else if ("tom".equals(cartoons[3])) { 

counter++; 

System.out.print(counter); 

What is the result? 

A. 1 

B. 2 

C. 4 

D. 0 

Answer:

Explanation: Counter++ will be executed only once because of the else if constructs. 


Q136. 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. 


Q137. Given the code fragment: 

What is the result? 

A. 10 : 10 

B. 5 : 5 

C. 5 : 10 

D. Compilation fails 

Answer:


Q138. Given: 

public class TestLoop1 { 

public static void main(String[] args) { 

int a = 0, z=10; 

while (a < z) { 

a++; 

--z; 

} System.out.print(a + " : " + z); } } 

What is the result? 

A. 5 : 5 

B. 6 : 4 

C. 6 : 5 

D. 5 : 4 

Answer:


Q139. Given the code fragment: int[] array = {I, 2, 3, 4, 5}; And given the requirements: 

Process all the elements of the array in the order of entry. 

Process all the elements of the array in the reverse order of entry. 

Process alternating elements of the array in the order of entry. 

Which two statements are true? 

A. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop. 

B. Requirements 1, 2, and 3 can be implemented by using the standard for loop. 

C. Requirements 2 and 3 CANNOT be implemented by using the standard for loop. 

D. Requirement 1 can be implemented by using the enhanced for loop. 

E. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop. 

Answer: D,E 


Q140. Given: 

public class Painting { 

private String type; 

public String getType() { 

return type; 

public void setType(String type) { 

this.type = type; 

public static void main(String[] args) { 

Painting obj1 = new Painting(); 

Painting obj2 = new Painting(); 

obj1.setType(null); 

obj2.setType("Fresco"); 

System.out.print(obj1.getType() + " : " + obj2.getType()); 

What is the result? 

A. : Fresco 

B. null : Fresco 

C. Fresco : Fresco 

D. A NullPointerException is thrown at runtime 

Answer: