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2021 Apr 1Z0-803 free exam
Q1. Given:
What code should be inserted?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
F. Option F
Answer: C
Q2. Given the following code:
What will make this code compile and run?
A. Change line 2 to the following:
Public int price
B. Change line 4 to the following:
int price = new simple ();
C. Change line 4 to the following:
Float price = new simple ();
D. Change line 5 to the following:
Price = 4f;
E. Change line 5 to the following:
price.price = 4;
F. Change line 5 to the following:
Price = (float) 4:
G. Change line 5 to the following:
Price = (Simple) 4;
H. The code compiles and runs properly; no changes are necessary
Answer: E
Q3. Why will the code not compile?
A. A static field cannot be private.
B. The getLetter method has no body.
C. There is no setLetter method.
D. The letter field is uninitialized.
E. It contains a method named Main instead of ma
Answer: B
Q4. Given:
And the commands:
Javac Test.java
Java Test 12345
What is the result?
A. Number us : 12345
B. A NullPointerException is thrown at runtime
C. A NumberFormatException is thrown at runtime
D. AnArrayIndexOutOfBoundException is thrown at runtime.
Answer: A
Q5. Given:
class X {}
class Y { Y ( ) { } }
class Z { Z (int i ) { } }
Which class has a default constructor?
A. X only
B. Y only
C. Z only
D. X and Y
E. Y and Z
F. X and Z
G. X, Y and Z
Answer: A
Down to date 1Z0-803 sample question:
Q6. Which two are valid array declaration?
A. Object array[];
B. Boolean array[3];
C. int[] array;
D. Float[2] array;
Answer: AC
Q7. public class DoBreak1 {
public static void main(String[] args) {
String[] table = {"aa", "bb", "cc", "dd"};
for (String ss: table) {
if ( "bb".equals(ss)) {
continue;
}
System.out.println(ss);
if ( "cc".equals(ss)) {
break;
}
}
}
}
What is the result?
A. aa
B. aa bb cc
C. cc dd
D. cc
E. Compilation fails.
Answer: A
Q8. Given the code fragment:
System.out.printIn ("Result: " +3+5);
System.out.printIn ("Result: " + (3+5));
What is the result?
A. Result: 8
Result: 8
B. Result: 35
Result: 8
C. Result: 8
Result: 35
D. Result: 35
Result: 35
Answer: B
Q9. Given:
A. X XX
B. X Y X
C. Y Y X
D. Y YY
Answer: D
Q10. What is the result when this program is executed?
A. Bob's Name: Bob
B. Bob's Name: Jian
C. Nothing prints
D. Bob’s name
Answer: B