(PDF) Java and Middleware 1z0-808 Exam and Certification Test Engine
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NEW QUESTION 116
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());
}
}
}
And the command line invocation:
Java grading process 89 50 104
What is the result?
- A. Class MarketOutOfBoundsException
- B. Fail
- C. Class IndexOutOfBoundsException
- D. Pass
- E. Class Exception
Answer: A
Explanation:
The value 104 will cause a MarketOutOfBoundsException
NEW QUESTION 117
Given the code fragment:
Assume that the system date is June 20, 2014.
What is the result?
- A. date1 = 06/20/2014
date2 = 2014-06-20
date3 = Jun 20, 2014 - B. A DateParseExcpetion is thrown at runtime.
- C. Date1 = 2014-05-20
Date2 = 2014-05-20
Date3 = 2014-05-20 - D. Compilation fails.
Answer: C
NEW QUESTION 118
Given:
What is the result?
- A. 0
- B. 1
- C. Compilation fails.
- D. 2
- E. 3
Answer: E
NEW QUESTION 119
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. An exception is thrown at runtime.
- D. 2
Answer: C
NEW QUESTION 120
Given the code fragment:
int b = 3; if ( !(b > 3)) {
System.out.println("square ");
}{
System.out.println("circle ");
}
System.out.println("...");
What is the result?
- A. squarecircle...
- B. circle...
- C. Compilation fails.
- D. square...
Answer: A
NEW QUESTION 121
Given:
What is the result?
- A. 97 9899 100 101 102 103
- B. An ArraylndexOutOfBoundsException is thrown at runtime.
- C. A NullPointerException is thrown at runtime.
- D. 97 9899 100 null null null
- E. Compilation rails.
Answer: D
NEW QUESTION 122
Which code fragment causes a compilation error?
- A. float flt = 100F;
- B.
- C. float flt = 100;
- D.
- E.
Answer: B
NEW QUESTION 123
Given:
What is the result?
- A. 5 4 5 6
- B. 3 4 5 6
- C. 3 4 3 6
- D. 3 6 4 6
Answer: A
NEW QUESTION 124
Given:
What is the result?
- A. String main 1 2 3
- B. String main 123
- C. String main 1
- D. An exception is thrown at runtime
Answer: C
NEW QUESTION 125
You are developing a banking module. You have developed a class named ccMask that has a maskcc method.
Given the code fragment:
You must ensure that the maskcc method returns a string that hides all digits of the credit card number except the four last digits (and the hyphens that separate each group of four digits).
Which two code fragments should you use at line n1, independently, to achieve this requirement? (Choose two.)
- A. Option C
- B. Option B
- C. Option D
- D. Option A
Answer: A,B
NEW QUESTION 126
Given:
What is the result?
- A. Option B
- B. Option C
- C. Option D
- D. Option A
Answer: A
NEW QUESTION 127
Which two class definitions fail to compile?
- A. final class A1 {public A1(){}}
- B. final abstract class A5 {protected static int i;void doStuff(){}abstract void doIt();}
- C. class A4 {protected static final int i;private void doStuff(){}}
- D. public class A2 {private static int i;private A2(){}}
- E. abstract class A3 {private static int i;public void doStuff(){}public A3(){}}
Answer: B,D
NEW QUESTION 128
Which three statements describe the object-oriented features of the Java language?
- A. A main method must be declared in every class.
- B. Objects can share behaviors with other objects.
- C. A package must contain more than one class.
- D. Object is the root class of all other objects.
- E. A subclass can inherit from a superclass.
- F. Objects cannot be reused.
Answer: A,B,E
Explanation:
Explanation/Reference:
Reference: http://www.javaworld.com/article/2075459/java-platform/java-101--object-oriented-language- basics--part-5--object-and-its-methods.html (see the sub title, Object is root of all classes not all other objects)
NEW QUESTION 129
Given:
public class ColorTest {
public static void main(String[] args) {
String[] colors = {"red", "blue","green","yellow","maroon","cyan"};
int count = 0;
for (String c : colors) {
if (count >= 4) {
break;
}
else {
continue;
}
if (c.length() >= 4) {
colors[count] = c.substring(0,3);
}
count++;
}
System.out.println(colors[count]);
}
}
What is the result?
- A. Compilation fails
- B. A StringIndexOutOfBoundsException is thrown at runtime.
- C. Maroon
- D. Yellow
Answer: A
Explanation:
The line, if (c.length() >= 4) {, is never reached. This causes a compilation error.
Note: The continue statement skips the current iteration of a for, while , or do-while loop. An unlabeled break statement terminates the innermost switch, for, while, or do-while statement, but a labeled break terminates an outer statement.
NEW QUESTION 130
Given:
Which two classes use the shape class correctly?
- A. Option B
- B. Option E
- C. Option F
- D. Option C
- E. Option D
- F. Option A
Answer: A,B
Explanation:
When an abstract class is subclassed, the subclass usually provides implementations for all of the abstract methods in its parent class (E). However, if it does not, then the subclass must also be declared abstract (B). Note: An abstract class is a class that is declared abstract-it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed.
NEW QUESTION 131
Given:
What is the result?
- A. 0 0
- B. 9 25
- C. 3 5
- D. Compilation fails.
Answer: C
NEW QUESTION 132
Given:
What is the result?
- A. A NullPointerException is thrown at runtime
- B. True false
- C. True null
- D. Compilation fails
Answer: B
NEW QUESTION 133
Given the code fragment:
What is the result?
- A.
- B.
- C.
- D.
- E. Compilation fails.
Answer: B
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 134
Given:
Acc.java:
Which statement is true?
- A. p, r, and s are accessible via obj.
- B. Only s is accessible via obj.
- C. Both p and s are accessible via obj.
- D. Both r and s are accessible via obj.
Answer: B
NEW QUESTION 135
A method is declared to take three arguments. A program calls this method and passes only two arguments. What is the result?
- A. The third argument is given the appropriate false value for its declared type.
- B. The third argument is given the value zero.
- C. Compilation fails.
- D. The third argument is given the value null.
- E. The third argument is given the value void.
- F. An exception occurs when the method attempts to access the third argument.
Answer: C
Explanation:
The problem is noticed at build/compile time. At build you would receive an error message like:
required: int,int,int found: int,int
NEW QUESTION 136
Given:
How many MarkList instances are created in memory at runtime?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 137
Given the code fragment:
And given the requirements:
If the value of the qty variable is greater than or equal to 90, discount = 0.5 If the value of the qty variable is between 80 and 90, discount = 0.2 Which two code fragments can be independently placed at line n1 to meet the requirements? (Choose two.)
- A. Option C
- B. Option E
- C. Option B
- D. Option A
- E. Option D
Answer: A,D
NEW QUESTION 138
Given the code fragment:
What is the result?
- A. Compilation fails only at line n3.
- B. Compilation fails only at line n2.
- C. Compilation fails only at line n1.
- D. Reading Card Checking Card
- E. Compilation fails at both line n2 and line n3.
Answer: E
NEW QUESTION 139
Given:
What is the result?
- A. e, eo, o
- B. e, ei, o
- C. a,eo, o
- D. a, ei, o
Answer: B
NEW QUESTION 140
......
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