[Oct 25, 2021] New Updated 1z0-808 Exam Questions 2021 [Q84-Q109]

[Oct 25, 2021] New Updated 1z0-808 Exam Questions 2021

Updated Free Oracle 1z0-808 Test Engine Questions with 225 Q&As

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NEW QUESTION 84
Given the definitions of the MyString class and the Test class:

What is the result?

A. Option D
B. Option A
C. Option C
D. Option B

Answer: C

NEW QUESTION 85
Given:

Given the code fragment:

Which two sets of actions, independently, enable the code fragment to print Fit?

A. At line n1 insert:import clothing.*;At line n2 insert:String color = Shirt.getColor();
B. At line n1 insert:import clothing.Shirt;At line n2 insert:String color = getColor();
C. At line n1 insert:import clothing;At line n2 insert:String color = Shirt.getColor();
D. At line n1 no changes required.At line n2 insert:String color = Shirt.getColor();
E. At line n1 insert:import static clothing.Shirt.getcolor;At line n2 insert:String color = getColor();

Answer: B

NEW QUESTION 86
Given the content of three files:

Which statement is true?

A. Only the C.java file compiles successfully.
B. The B.java and C.java files compile successfully.
C. Only the B.java file compiles successfully.
D. Only the A.Java file compiles successfully.
E. The A.Java and B.java files compile successfully.
F. The A.Java and C.java files compile successfully.

Answer: D

NEW QUESTION 87
Given:

What is the result?

A. CC
B. AB
C. A ClassCastException is thrown only at line n2.
D. AC
E. A ClassCastException is thrown only at line n1.

Answer: C

NEW QUESTION 88
Given: What is the result?

A. Out of limits
B. Hello java!
C. hEllOjAvA!
D. Out of limits hEllOjAvA!

Answer: D

NEW QUESTION 89
Given:
Acc.java:

Which statement is true?

A. Both p and s are accessible by obj.
B. p, r, and s are accessible by obj.
C. Both r and s are accessible by obj.
D. Only s is accessible by obj.

Answer: D

NEW QUESTION 90
Given:

What is the result?

A. String main 123
B. String main 1 2 3
C. An exception is thrown at runtime
D. String main 1

Answer: D

NEW QUESTION 91
Given:

And given the commands:
javac Test.Java
Java Test Hello
What is the result?

A. Success
B. Failure
C. Compilation fails.
D. An exception is thrown at runtime

Answer: B

NEW QUESTION 92
Given the code fragment:

What is the result?

A. 2014-09-30T00:00:00
B.
C. An exception is thrown at runtime.
2014-07-31T01:01:00
D. 2014-07-31

Answer: D

NEW QUESTION 93
Given the code fragment:

What is the result?

A. (green, blue, yellow, cyan)
B. (green, red, cyan, yellow)
C. (green, red, yellow, cyan)
D. AnIndexOutOfBoundsExceptionis thrown at runtime.

Answer: B

NEW QUESTION 94
Given the fragment:
String[][] arra = new String[3][];
arra[0] = new String[]{"rose", "lily"};
arra[1] = new String[]{"apple", "berry","cherry","grapes"};
arra[0] = new String[]{"beans", "carrot","potato"};
// insert code fragment here
Which code fragment when inserted at line '// insert code fragment here', enables the code to successfully change arra elements to uppercase?

A. String[][] arra = new String[3][];
arra[0] = new String[]{"rose", "lily"};
arra[1] = new String[]{"apple", "berry","cherry","grapes"};
arra[0] = new String[]{"beans", "carrot","potato"};
for (int i = 0; i < arra.length; i++) {
for (int j=0; j < arra[i].length; j++) {
arra[i][j] = arra[i][j].toUpperCase();
}
}
B. for (int i:arra.length) {
for (String x:arra) {
arra[i].toUpperCase();
}
}
C. for (String a[]:arra[][]) {
for (String x:a[]) {
D. toUpperCase();
}
}
E. for (int i = 0; i < 3; i++) {
for (int j=0; j < 4; j++) {
arra[i][j] = arra[i][j].toUpperCase();
}
}

Answer: C

Explanation:
Incorrect:
not A: arra.length is 3, but the subarrays have 2, 3 and 4 elements. Index will be out of
bound.
not B: The subarrys are of different lengths. Index will be out of bound.
not D: Compile error.

NEW QUESTION 95
Given:
class Base {
public static void main(String[] args) {
System.out.println("Base " + args[2]);
}
}
public class Sub extends Base{
public static void main(String[] args) {
System.out.println("Overriden " + args[1]);
}
}
And the commands:
javac Sub.java
java Sub 10 20 30
What is the result?

A. Base 30
B. Overridden 20 Base 30
C. Overridden 20
D. Base 30 Overridden 20

Answer: C

NEW QUESTION 96
Given:

What is the result?

A. Option D
B. Option A
C. Option C
D. Option B

Answer: A

NEW QUESTION 97
Given:

What is the result?

A. Area is 6.0
B. Compilation fails at line n1
C. Area is 3.0
D. Compilation fails at line n2.

Answer: D

NEW QUESTION 98
Which two are benefits of polymorphism?

A. Code that is protected from extension by other classes
B. More dynamic code at runtime
C. More flexible and reusable code
D. Faster code at runtime
E. More efficient code at runtime

Answer: C,E

Explanation:
Reference:https://www.cs.princeton.edu/courses/archive/fall98/cs441/mainus/node5.html

NEW QUESTION 99
Given:

And given the code fragment:

What is the result?

A. Compilation fails at line n1.
B. 20:20
C. 10:20
D. Compilation fails at line n2.

Answer: D

NEW QUESTION 100
Given:

And given the code fragment:

What is the result?

A. Compilation fails only at line n2
B. 4W 100 Auto4W 150 Manual
C. Compilation fails only at line n1
D. null 0 Auto4W 150 Manual
E. Compilation fails at both line n1 and line n2

Answer: E

NEW QUESTION 101
Given the code fragment:

What is the result?

A. Null
Null
B. Null element 0
Null element 1
C. Element 0
Element 1
D. A NullPointerException is thrown at runtime.

Answer: D

NEW QUESTION 102
Given the code fragment:

Which option represents the state of the num array after successful completion of the outer loop?

Answer: D

NEW QUESTION 103
Which two initialization statements are valid? (Choose two.)

A. Integer pages = 20;
B. Boolean available = "TRUE":
C. Double price = 200D;
D. String tmpAuthor = author, author ="Mc Donald";

Answer: A,C

NEW QUESTION 104
The following grid shows the state of a 2D array:

This grid is created with the following code:

Which line of code, when inserted in place of //line n1, adds an X into the grid so that the grid contains three consecutive X's?

A. grid[2][0] = 'X';
B. grid[0][2] = 'X';
C. grid[1][2] = 'X';
D. grid[1][3] = 'X';
E. grid[3][1] = 'X';

Answer: B

Explanation:
Explanation/Reference:

NEW QUESTION 105
Which three statements describe the object-oriented features of the Java language?

A. Objects can share behaviors with other objects.
B. A subclass can inherit from a superclass.
C. Objects cannot be reused.
D. Object is the root class of all other objects.
E. A main method must be declared in every class.
F. A package must contain more than one class.

Answer: A,B,E

Explanation:
Reference: http://www.javaworld.com/article/2075459/java-platform/java-101--object-orientedlanguage-basics--part-5--object-and-its-methods.html (see the sub title, Object is root of all classes not all other objects)

NEW QUESTION 106
Given the code fragment:

What is the result if the integer aVar is 9?

A. 10 Hello Universe!
B. 10 Hello World!
C. Compilation fails.
D. 9 Hello World!

Answer: B

NEW QUESTION 107
Given the code fragment:
StringBuilder sb = new StringBuilder ( ) ;
Sb.append ("world");
Which code fragment prints Hello World?

A. sb.set(0,"Hello "); System.out.println(sb);D
B. sb.append(0,"Hello "); System.out.println(sb);
C. sb.add(0,"Hello "); System.out.println(sb);
D. sb.insert(0,"Hello "); System.out.println(sb);

Answer: D

Explanation:
The java.lang.StringBuilder.insert(int offset, char c) method inserts the string representation of the char argument into this sequence. The second argument is inserted into the contents of this sequence at the position indicated by offset. The length of this sequence increases by one.The offset argument must be greater than or equal to 0, and less than or equal to the length of this sequence.
Reference: Java.lang.StringBuilder.insert() Method

NEW QUESTION 108
Given the code fragment:

Test.java

Which is the result?
A: Compilation fails in the Employee class.
B:

C:

D: Compilation fails in the Test class.
E: Both the Employee class and the test class fail to compile.