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NEW QUESTION # 58
Given the code fragment:
Which two modifications, made independently, enable the code to compile?
- A. Make the method at line n1 public.
- B. Make the method at line n3 protected.
- C. Make the method at line n4 public.
- D. Make the method at line n3 public.
- E. Make the method at line n2 public.
Answer: D,E
NEW QUESTION # 59
Given:
What is the result?
- A. Welcome Visit Count:1
Welcome Visit Count: 1 - B. Compilation fails at line n1 and line n2.
- C. Compilation fails at line n3 and line n4.
- D. Welcome Visit Count:1
Welcome Visit Count: 2
Answer: B
NEW QUESTION # 60
Given the code fragment:
What is the result?
- A. Compilation fails.
- B. 1 2 3 4
followed by an ArrayIndexOutOfBoundsException - C. 1 2 3
- D. 1 2 3 4
Answer: B
NEW QUESTION # 61
Given the code fragments:
Which modification enables the code to compile?
A:
B:
C:
D:
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: D
NEW QUESTION # 62
Given:
And given the code fragment:
What is the result?
- A. 10:20
- B. Compilation fails at line n2.
- C. Compilation fails at line n1.
- D. 20:20
Answer: B
NEW QUESTION # 63
Given the definitions of the MyString class and the Test class: What is the result?
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: D
NEW QUESTION # 64
Given:
What is the result?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: B
Explanation:
NEW QUESTION # 65
Given:
Which line causes a compilation error?
- A. line x2
- B. line x3
- C. line x1
- D. line x4
Answer: A
Explanation:
The variable x2 is used before it has been declared.
NEW QUESTION # 66
Given the code fragment:
Which two modifications, when made independently, enable the code to print joe:true: 100.0?
- A. Option B
- B. Option D
- C. Option E
- D. Option A
- E. Option C
Answer: D,E
NEW QUESTION # 67
Given the code fragment:
Which three code fragments can be independently inserted at line n1 to enable the code to print one?
- A. Integer x = new Integer ("1");
- B. short x = 1;
- C. Double x = 1;
- D. Long x = 1;
- E. String x = "1";
- F. Byte x = 1;
Answer: A,B,F
NEW QUESTION # 68
Given the code fragment:
System.out.printIn("Result: " + 2 + 3 + 5);
System.out.printIn("Result: " + 2 + 3 * 5);
What is the result?
- A. Result: 235 Result: 215
- B. Compilation fails
- C. Result: 215 Result: 215
- D. Result: 10 Result: 30
- E. Result: 10 Result: 25
Answer: A
Explanation:
First line:
System.out.println("Result: " + 2 + 3 + 5);
String concatenation is produced.
Second line:
System.out.println("Result: " + 2 + 3 * 5);
3*5 is calculated to 15 and is appended to string 2. Result 215.
The output is:
Result: 235
Result: 215
Note #1:
To produce an arithmetic result, the following code would have to be used:
System.out.println("Result: " + (2 + 3 + 5));
System.out.println("Result: " + (2 + 1 * 5));
run:
Result: 10
Result: 7
Note #2:
If the code was as follows:
System.out.println("Result: " + 2 + 3 + 5");
System.out.println("Result: " + 2 + 1 * 5");
The compilation would fail. There is an unclosed string literal, 5", on each line.
NEW QUESTION # 69
Given the code fragment:
What is the result?
- A. An UnsupportedOperationException is thrown at runtime.
- B. Hi removed
- C. The program compiles, but it prints nothing.
- D. Compilation fails.
Answer: D
NEW QUESTION # 70
Given the definitions of the MyString class and the Test class:
What is the result?
- A. Option B
- B. Option D
- C. Option C
- D. Option E
- E. Option A
Answer: B
NEW QUESTION # 71
Given the code fragment: What is the result if the integer aVar is 9?
- A. Compilation fails.
- B. Hello World!
- C. Hello Universe!
- D. Hello World!
Answer: D
NEW QUESTION # 72
Given:
What is the result?
- A. 97 9899 100 101 102 103
- B. Compilation fails.
- C. An ArraylndexOutOfBoundsException is thrown at runtime.
- D. A NullPointerException is thrown at runtime.
- E. 97 9899 100 null null null
Answer: E
NEW QUESTION # 73
Given:
And given the commands:
javac Test.Java
Java Test Hello
What is the result?
- A. Compilation fails.
- B. Failure
- C. Success
- D. An exception is thrown at runtime
Answer: B
NEW QUESTION # 74
Given:
What is the result?
Base
- A. DerivedB
- B. DerivedA
Base - C. DerivedB
DerivedA - D. DerivedB
DerivedB - E. A ClassCastExceptionis thrown at runtime.
Answer: C
NEW QUESTION # 75
Given:
And given the commands:
What is the result?
TRUE null
- A. true true
- B. false false
- C. true false
- D. A ClassCastExceptionis thrown at runtime.
- E.
Answer: E
NEW QUESTION # 76
Given:
What is the result?
- A. Compilation fails.
- B. AnArrayIndexOutOfBoundsExceptionis thrown at runtime.
- C. nullRichardDonald
- D. RichardDonald
- E. ANullPointerExceptionis thrown at runtime.
Answer: C
NEW QUESTION # 77
Given the code fragment:
What is the result?
- A. Compilation fails.
- B. HiHowAreYou removed
- C. The program compiles, but it prints nothing.
- D. An UnsupportedOperationExceptionis thrown at runtime.
Answer: C
Explanation:
NEW QUESTION # 78
Which three statements describe the object-oriented features of the Java language?
- A. Object is the root class of all other objects.
- B. A main method must be declared in every class.
- C. Objects cannot be reused.
- D. A subclass can inherit from a superclass.
- E. Objects can share behaviors with other objects.
- F. A package must contain more than one class.
Answer: B,D,E
NEW QUESTION # 79
Given: What is the result?
- A. Compilation fails
- B. The code compiles, but does not execute.
- C. Wow
- D. Mom
- E. Paildrome
Answer: B
NEW QUESTION # 80
Given:
What is the result?
- A. Compilation fails.
- B. null
Richard
Donald - C. An ArrayIndexOutOfBoundsException is thrown at runtime.
- D. A NullPointerExceptionis thrown at runtime.
- E. Richard
Donald
Answer: B
NEW QUESTION # 81
......
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