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Q71. 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: AD 

Q72. Which two are valid array declaration? 

A. Object array[]; 

B. Boolean array[3]; 

C. int[] array; 

D. Float[2] array; 

Answer: AC 

Q73. What is the result? 

A. Hello 

B. Default 

C. Compilation fails 

D. The program prints nothing 

E. An exception is thrown at run time 


Q74. 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 


Q75. Given a java source file: 

What changes will make this code compile? (Select Two) 

A. Adding the public modifier to the declaration of class x 

B. Adding the protected modifier to the x() constructor 

C. Changing the private modifier on the declaration of the one() method to protected 

D. Removing the Y () constructor 

E. Removing the private modifier from the two () method 

Answer: CE 

Renew 1Z0-803 practice:

Q76. Which code fragment cause a compilation error? 

A. flat flt = 100F; 

B. float flt = (float) 1_11.00; 

C. float flt = 100; 

D. double y1 = 203.22; floatflt = y1 

E. int y2 = 100; floatflt = (float) y2; 


Q77. Given: 

How many objects have been created when the line / / do complex stuff is reached? 

A. Two 

B. Three 

C. Four 

D. Six 


Q78. Given: 

What is the result? 

A. box 

B. nbo 

C. bo 

D. nb 

E. An exception is thrown at runtime 


Q79. What is the result? 

A. sc: class.Object asc: class.AnotherSampleClass 

B. sc: class.SampleClass asc: class.AnotherSampleClass 

C. sc: class.AnotherSampleClass asc: class.SampleClass 

D. sc: class.AnotherSampleClass asc: class.AnotherSampleClass 


Q80. given: 

A. ns = 50 S = 125 

ns = 125 S = 125 

ns = 100 S = 125 

B. ns = 50 S = 125 

ns = 125 S = 125 

ns = 0 S = 125 

C. ns = 50 S = 50 

ns = 125 S = 125 

ns = 100 S = 100 

D. ns = 50 S = 50 

ns = 125 S = 125 

ns = 0 S = 125