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Vendor: Oracle
Certifications: Oracle Certified Associate, Java SE 8 Programmer
Exam Name: Java SE 8 Programmer I
Exam Code: 1Z0-808
Total Questions: 236 Q&As
QUESTION 1
Consider
Integer number = Integer.valueOff 808.1″);
Which is true about the above statement?
A. The value of the variable number will be 808.1
B. The value of the variable number will be 808
C. The value of the variable number will be 0.
D. A NumberFormatException will be throw.
E. It will not compile.
Correct Answer: D
QUESTION 2
Which three are advantages of the Java exception mechanism?
A. Improves the program structure because the error handling code is separated from the normal program function
B. Provides a set of standard exceptions that covers all the possible errors
C. Improves the program structure because the programmer can choose where to handle exceptions
D. Improves the program structure because exceptions must be handled in the method in which they occurred
E. Allows the creation of new exceptions that are tailored to the particular program being created
Correct Answer: ACE
QUESTION 3
Which two are benefits of polymorphism? 1Z0-808 dumps
A. Faster code at runtime
B. More efficient code at runtime
C. More dynamic code at runtime
D. More flexible and reusable code
E. Code that is protected from extension by other classes
Correct Answer: CD
QUESTION 4
Given the code fragment:
What could expression1 and expression2 be, respectively, in order to produce output ?, 16?
A. + +a, – -b
B. + +a, b- –
C. A+ +, – – b
D. A + +, b – –
Correct Answer: D
QUESTION 5
Given:
What is the result?
A. Null
B. Compilation fails
C. An exception is thrown at runtime
D. 0
Correct Answer: C
QUESTION 6
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 7
1Z0-808 dumps Given:
What is the result?
A. true true
B. true false
C. false true
D. false false
E. Compilation fails
Correct Answer: E
QUESTION 8
Given the definitions of the MyString class and the Test class:
What is the result?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: C
QUESTION 9
Which three statements are true about the structure of a Java class?
A. A class can have only one private constructor.
B. A method can have the same name as a field.
C. A class can have overloaded static methods.
D. A public class must have a main method.
E. The methods are mandatory components of a class.
F. The fields need not be initialized before use.
Correct Answer: ABC
QUESTION 10
Given:
class MarksOutOfBoundsException extends IndexOutOfBoundsException { }
public class GradingProcess {
void verify(int marks) throws IndexOutOfBoundsException {
if (marks > 100) {
throw new MarksOutOfBoundsException();
}
if (marks > 50) {
System.out.print(“Pass”);
} else {
System.out.print(“Fail”);
} }
public static void main(String[] args) {
int marks = Integer.parseInt(args[2]);
try {
new GradingProcess().verify(marks));
} catch(Exception e) {
System.out.print(e.getClass());
} } }
1Z0-808 dumps And the command line invocation:
Java grading process 89 50 104
What is the result?
A. Pass
B. Fail
C. Class MarketOutOfBoundsException
D. Class IndexOutOfBoundsException
E. Class Exception
Correct Answer: C
QUESTION 11
int [] array = {1,2,3,4,5};for (int i: array) {
if ( i < 2) {
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
Given the for loop construct:
for ( expr1 ; expr2 ; expr3 ) {
statement;
}
Which two statements are true?
A. This is not the only valid for loop construct; there exits another form of for loop constructor.
B. The expression expr1 is optional. it initializes the loop and is evaluated once, as the loop begin.
C. When expr2 evaluates to false, the loop terminates. It is evaluated only after each iteration through the loop.
D. The expression expr3 must be present. It is evaluated after each iteration through the loop.
Correct Answer: BC
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