Free Oracle 1z0-808 Test Practice Test Questions Exam Dumps
Prepare Top Oracle 1z0-808 Exam Audio Study Guide Practice Questions Edition
NEW QUESTION # 78
Given the code fragment:
Which two modifications, made independently, enable the code to compile?
- A. Make the method at line n3 protected.
- B. Make the method at line n4 public.
- C. Make the method at line n3 public.
- D. Make the method at line n2 public.
- E. Make the method at line n1 public.
Answer: A,C
NEW QUESTION # 79
Given the code fragment:
Which two code fragments can be independently inserted at line n1 to enable the code to print the elements of the array in reverse order?
- A. while (x > 0) {x--;System.out.print(array[x]);}
- B. while (x >= 0) {System.out.print(array[x]);x--;}
- C. while (x > 0) {System.out.print(array[--x]);}
- D. do {System.out.print(array[x]);--x;} while (x >= 0);
- E. do {x--;System.out.print(array[x]);} while (x >= 0);
Answer: C,E
NEW QUESTION # 80
Given:
What is the result?
- A. Good Luck!
Good Luck! - B. Compilation fails
- C. Good Luck!
Good Day! - D. Good Day!
Good Day! - E. Good Day!
Good Luck!
Answer: E
NEW QUESTION # 81
Given:
What is the result?
- A. true:true
- B. true:false
- C. false:true
- D. false:false
Answer: C
NEW QUESTION # 82
Given:
Which code fragment can replace the if block?
A:
B:
C:
D:
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: A
NEW QUESTION # 83
Given the code fragment:
What is the result?
- A. Reading CardChecking Card
- B. Compilation fails only at line n1.
- C. Compilation fails only at line n2.
- D. Compilation fails at both line n2 and line n3.
- E. Compilation fails only at line n3.
Answer: E
NEW QUESTION # 84
Given:
What is the result?
- A. RichardDonald
- B. nullRichardDonald
- C. ANullPointerExceptionis thrown at runtime.
- D. Compilation fails.
- E. AnArrayIndexOutOfBoundsExceptionis thrown at runtime.
Answer: B
NEW QUESTION # 85
Given the code fragment:
What is the result?
- A. A ClassCastException is thrown at line n2.
- B. Compilation fails at line n1.
- C. Compilation fails at line n2.
- D. Sum is 600
- E. A ClassCastException is thrown at line n1.
Answer: C
NEW QUESTION # 86
Given:
public class Test {
public static void main(String[] args) {
int arr[] = new int[4];
arr[0] = 1;
arr[1] = 2;
arr[2] = 4;
arr[3] = 5;
int sum = 0;
try {
for (int pos = 0; pos <= 4; pos++) {
sum = sum + arr[pos];
}
} catch (Exception e) {
System.out.println("Invalid index");
}
System.out.println(sum);
}
}
What is the result?
- A. Invalid Index 12
- B. Compilation fails
- C. 0
- D. Invalid Index
Answer: A
Explanation:
The loop ( for (int pos = 0; pos <= 4; pos++) { ), it should be pos <= 3, causes an exception, which is caught. Then the correct sum is printed.
NEW QUESTION # 87
Which code fragment cause a compilation error?
float flt = 100F;
- A. float flt = 100;
- B. float flt = (float) y2;
- C. float flt = (float) 1_11.00;
- D. double y1 = 203.22;
- E. float flt = y1;
int y2 = 100;
Answer: E
Explanation:
Exception in thread "main" java.lang.Error: Unresolved compilation problem:
Type mismatch: cannot convert from double to float
NEW QUESTION # 88
Given the code fragment:
What is the result?
- A. An UnsupportedOperationExceptionis thrown at runtime.
- B.
- C. Compilation fails.
- D. The program compiles, but it prints nothing.
HiHowAreYou removed
Answer: D
Explanation:
NEW QUESTION # 89
Given the code fragments:
What is the result?
- A. Contract Contract Super
- B. Super Sub Sub
- C. Compilation fails at line n2
- D. Compilation fails at line n1
Answer: C
NEW QUESTION # 90
Given the code fragment:
What is the result?
- A. Invalid calculation
- B. Compilation fails only at line n1.
- C. Compilation fails only at line n1 and line2.
- D. Compilation fails only at line n2.
- E. Answer = 0
Answer: C
NEW QUESTION # 91
Given:
What is the result?
- A. false, true
- B. true, true
- C. false, false
- D. true, false
Answer: A
NEW QUESTION # 92
Given:
What is the result?
- A. Compilation fails at line n2.
- B. Initialized
Started
Initialized - C. Compilation fails at line n1.
- D. Initialized
Started
Answer: C
NEW QUESTION # 93
Given the code fragments:
Which modification enables the code to compile?
- A. Replace line n1 with:import p1. A;Replace line n2 with:import p1. A;import p1. p2.B ;
- B. Replace line n1 with:import p1. A;Replace line n2 with:import p1.*;
- C. Replace line n1 with:import p1.*;Replace line n2 with:import p1. p2.*;
- D. Replace line n1 with:import p1;Replace line n2 with:import p1;import p1. p2;
Answer: A
NEW QUESTION # 94
Given:
public class FieldInit {
char c;
boolean b;
float f;
void printAll() {
System.out.println("c = " + c);
System.out.println("c = " + b);
System.out.println("c = " + f);
}
public static void main(String[] args) {
FieldInit f = new FieldInit();
f.printAll();
}
}
What is the result?
- A. c = 0
b = false
f = 0.0f - B. c =
b = false
f = 0.0 - C. c = null
b = false
f = 0.0F - D. c = null
b = true
f = 0.0
Answer: B
NEW QUESTION # 95
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 calculatePrice (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:
B:
C:
D:
- A. Option C
- B. Option A
- C. Option D
- D. Option B
Answer: B
NEW QUESTION # 96
Given:
What is the result?
- A. Option B
- B. Option A
- C. Option C
- D. Option D
Answer: A
NEW QUESTION # 97
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 calculatePrice (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 C
- B. Option A
- C. Option D
- D. Option B
Answer: B
NEW QUESTION # 98
You are asked to develop a program for a shopping application, and you are given this information:
* The application must contain the classes Toy, EduToy, and ConsToy. The Toy class is the superclass of the other two classes.
* The int calculatePrice (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 C
- B. Option A
- C. Option D
- D. Option B
Answer: B
NEW QUESTION # 99
Which code fragment causes a compilation error?
- A. Option A
- B. Option D
- C. Option E
- D. Option C
- E. Option B
Answer: B
NEW QUESTION # 100
......
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