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Java SE 8 Programmer I Certification Exam | 1Z0-808: https://education.oracle.com/java-se-8-programmer-i/pexam_1Z0-808
The latest Oracle Certified Associate 1z0-808 exam practice questions test your strength
QUESTION 1
Given:
public class X {
static int i;
int j;
public static void main(String[] args) {
X x1 = new X();
X x2 = new X();
x1.i = 3;
x1.j = 4;
x2.i = 5;
x2.j = 6;
System.out.println(
x1.i + ” “+
x1.j + ” “+
x2.i + ” “+
x2.j);
}
}
What is the result?
A. 3 4 5 6
B. 3 4 3 6
C. 5 4 5 6
D. 3 6 4 6
Correct Answer: C
QUESTION 2
Which two are valid array declaration?
A. Object array[];
B. Boolean array[3];
C. int[] array;
D. Float[2] array;
Correct Answer: AC
QUESTION 3
Given the code fragment:
Which statement is true?
A. After line 8, three objects are eligible for garbage collection
B. After line 8, two objects are eligible for garbage collection
C. After line 8, one object is eligible for garbage collection
D. After line 8, none of the objects are eligible for garbage collection
Correct Answer: C
QUESTION 4
Which three statements describe the object-oriented features of the Java language?
A. Objects cannot be reused.
B. A subclass can inherit from a superclass.
C. Objects can share behaviors with other objects.
D. A package must contain more than one class.
E. Object is the root class of all other objects.
F. A main method must be declared in every class.
Correct Answer: BCF
QUESTION 5
Given:
public class MyClass {
public static void main(String[] args) {
String s = ” Java Duke “;
int len = s.trim().length();
System.out.print(len);
}
}
What is the result?
A. 8
B. 9
C. 11
D. 10
E. Compilation fails
Correct Answer: B
Explanation: Java – String trim() Method
This method returns a copy of the string, with leading and trailing whitespace omitted.
QUESTION 6
Given the code fragment:
Which code fragment prints blue, cyan, ?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: A
QUESTION 7
Given:
How many objects have been created when the line / / do complex stuff is reached?
A. Two
B. Three
C. Four
D. Six
Correct Answer: C
QUESTION 8
Given:
What is the result?
A. 3 4 5 6
B. 3 4 3 6
C. 5 4 5 6
D. 3 6 4 6
Correct Answer: C
QUESTION 9
Given:
What is the result?
A. C B A
B. C
C. A B C
D. Compilation fails at line n1 and line n2
Correct Answer: C
QUESTION 10
Given:
What is the result?
A. 9 5
B. 81 25
C. Compilation fails.
D. 0 0
Correct Answer: A
QUESTION 11
int [] array = {1,2,3,4,5};
for (int i: array) {
if ( i
keyword1 ;
}
System.out.println(i);
if ( i == 3) {
keyword2 ;
}}
What should keyword1 and keyword2 be respectively, in oreder to produce output 2345?
A. continue, break
B. break, break
C. break, continue
D. continue, continue
Correct Answer: D
QUESTION 12
A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the
results?
A. Compilation fails.
B. The third argument is given the value null.
C. The third argument is given the value void.
D. The third argument is given the value zero.
E. The third argument is given the appropriate falsy value for its declared type. F) An exception occurs when the method
attempts to access the third argument.
Correct Answer: A
QUESTION 13
Which is true about the switch statement?
A. Its expression can evaluate to a collection of values.
B. The break statement, at the end of each case block, is optional.
C. Its case label literals can be changed at runtime.
D. It must contain the default section.
Correct Answer: B
Reference: https://www.geeksforgeeks.org/switch-statement-in-java/
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