Exam Code: java se 8 programmer i 1z0 808 pdf (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Java SE 8 Programmer I
Certification Provider: Oracle
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Q111. Given:
public class Test1 {
static void doubling (Integer ref, int pv) {
ref =20;
pv = 20;
}
public static void main(String[] args) {
Integer iObj = new Integer(10);
int iVar = 10;
doubling(iObj++, iVar++);
System.out.println(iObj+ ", "+iVar);
What is the result?
A. 11, 11
B. 10, 10
C. 21, 11
D. 20, 20
E. 11, 12
Answer: A
Explanation: The code doubling(iObj++, iVar++); increases both variables from to 10 to
11.
Q112. Given the code fragment:
Which code fragment prints red: blue: small: medium?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D
Q113. Given the following code for a Planet object:
What is the output?
A. Option A
B. Option B
C. Option C
D. Option D
E. Option E
Answer: C
Q114. public class ForTest {
public static void main(String[] args) {
int[] arrar = {1,2,3};
for ( foo ) {
}
}
}
Which three are valid replacements for foo so that the program will compiled and run?
A. int i: array
B. int i = 0; i < 1; i++
C. ;;
D. ; i < 1; i++
E. ; i < 1;
Answer: A,B,C
Q115. Given the code fragment
Which code fragments, inserted independently, enable the code compile?
A. t.fvar = 200;
B. cvar = 400;
C. fvar = 200; cvar = 400;
D. this.fvar = 200; this.cvar = 400;
E. t.fvar = 200; Test2.cvar = 400;
F. this.fvar = 200; Test2.cvar = 400;
Answer: B
Q116. Given:
Which inserted at line 11, will provide the following output?
[21, 15, 11]
A. list.removelf(e > e%2 != 0);
B. list.removelf(e -> e%2 != 0);
C. Ust.removelf(e -> e%2 = 0);
D. list.remove(e -> e%2 = 0);
E. None of the above.
Answer: C
Explanation:
In output we can see that only odd numbers present, so we need to remove only even numbers to get expected output. From Java SE 8, there is new method call removelf which takes predicate object and remove elements which satisfies predicate condition. Predicate has functional method call take object and check if the given condition met or not, if met it returns true, otherwise false. Option C we have passed correct lambda expression to check whether the number is odd or even that matches to the functional method of predicate interface. Option A is incorrect as it is invalid lambda expression. Option B is incorrect as it removes all odd numbers. Option D is incorrect as there is no remove method that takes predicate as argument. https://docs.oracle.eom/javase/8/docs/api/java/util/ArrayList.html
Q117. The protected modifier on a Field declaration within a public class means that the field ______________.
A. Cannot be modified
B. Can be read but not written from outside the class
C. Can be read and written from this class and its subclasses only within the same package
D. Can be read and written from this class and its subclasses defined in any package
Answer: D
Reference:
http://beginnersbook.com/2013/05/java-access-modifiers/
Q118. Given:
What is the result?
A. A B C D
B. A C D
C. A B C
D. A B D
E. A B D C
Answer: C
Q119. Given the code fragment:
What is the result?
A. true true
B. true false
C. false false
D. false true
Answer: C
Q120. Which two are valid array declaration?
A. Object array[];
B. Boolean array[3];
C. int[] array;
D. Float[2] array;
Answer: A,C
