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Q51. Given: 

Which two modifications are necessary to ensure that the class is being properly encapsulated? 

The class is poorly encapsulated. You need to change the circle class to compute and return the area instead. 

A. Remove the area field. 

B. Change the getArea( ) method as follows: public double getArea ( ) { return Match.PI * radius * radius; } 

C. Add the following method: public double getArea ( ) {area = Match.PI * radius * radius; } 

D. Change the cacess modifier of the SerRadius ( ) method to be protected. 

Answer: BD 

Q52. Give: 

What value should replace kk in line x to cause jj = 5 to be output? 

A. -1 

B. 1 

C. 5 

D. 8 

E. 11 

Answer:

Q53. Given the following code fragment: 

What is the result if the integer value is 33? 

A. The fox jump lazy … 

B. The fox lazy … 

C. Quick fox over lazy … 

D. Quick fox the …. 

Answer:

Q54. The catch clause argument is always of type__________. 

A. Exception 

B. Exception but NOT including RuntimeException 

C. Throwable 

D. RuntimeException 

E. CheckedException 

F. Error 

Answer:

Q55. Given: 

A. a, e i, o 

B. a, e o, o 

C. e, e I, o 

D. e, e o, o 

Answer:

Q56. What is the result? 

A. 6 7 8 

B. 7 8 9 

C. 0 1 2 

D. 6 8 10 

E. Compilation fails 

Answer:

Q57. public class StringReplace { 

public static void main(String[] args) { 

String message = "Hi everyone!"; 

System.out.println("message = " + message.replace("e", "X")); } 

What is the result? 

A. message = Hi everyone! 

B. message = Hi XvXryonX! 

C. A compile time error is produced. 

D. A runtime error is produced. 

E. message = 

F. message = Hi Xveryone! 

Answer:

Q58. Given: 

What is the result? 

A. Compilation fails 

B. The code compiles, but does not execute. 

C. Paildrome 

D. Wow 

E. Mom 

Answer:

Q59. Given the code fragment: 

System.out.printIn("Result: " + 2 + 3 + 5); 

System.out.printIn("Result: " + 2 + 3 * 5); 

What is the result? 

A. Result: 10 

Result: 30 

Result: 10 

Result: 25 

C. Result: 235 

Result: 215 

D. Result: 215 

Result: 215 

E. Compilation fails 

Answer:

Q60. Given: 

What is true about the class Wow? 

A. It compiles without error. 

B. It does not compile because an abstract class cannot have private methods. 

C. It does not compile because an abstract class cannot have instance variables. 

D. It does not compile because an abstract class must have at least one abstract method. 

E. It does not compile because an abstract class must have a constructor with no arguments. 

Answer:

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