Shortcuts To 1Z0-803（41 to 50）
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2021 Apr 1Z0-803 practice exam
Q41. What is the result?
A. 6 7 8
B. 7 8 9
C. 0 1 2
D. 6 8 10
E. Compilation fails
Answer: A
Q42. Given:
public class ScopeTest {
int j, int k;
public static void main(String[] args) {
ew ScopeTest().doStuff(); }
void doStuff() {
nt x = 5;
oStuff2();
System.out.println("x");
}
void doStuff2() {
nt y = 7;
ystem.out.println("y");
or (int z = 0; z < 5; z++) {
ystem.out.println("z");
ystem.out.println("y");
}
which two items are fields?
A. j
B. k
C. x
D. y
E. z
Answer: AB
Q43. What is the result?
A. Initialized
Started
B. Initialized
Started
Initialized
C. Compilation fails
D. An exception is thrown at runtime
Answer: B
Q44. 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;
Answer: B
Q45. Given:
What is the result?
A. null
B. compilation fails
C. Java.lang.NullPointerException
D. 0
Answer: A
Renew 1Z0-803 free download:
Q46. Which two may precede the word ‘class’ in a class declaration?
A. local
B. public
C. static
D. volatile
E. synchronized
Answer: BC
Q47. 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
Q48. racle 1z0-803 : Practice Test
j = (3 * ((2+4) + 5));
System.out.println("i:"+ i + "nj":+j);
What is the result?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Q49. Given:
Which approach ensures that the class can be compiled and run?
A. Put the throw new Exception() statement in the try block of try – catch
B. Put the doSomethingElse() method in the try block of a try – catch
C. Put the doSomething() method in the try block of a try – catch
D. Put the doSomething() method and the doSomethingElse() method in the try block of a try – catch
Answer: A
Q50. 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: C