Changing the Concept of 1z0-808 Exam Preparation 2023
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Oracle 1z1-808 exam is an important certification for Java programmers seeking to demonstrate their knowledge and skills in Java SE 8 programming. It covers a wide range of topics related to Java programming and is recognized worldwide. To prepare for the exam, candidates should have a good understanding of Java programming concepts and experience with Java SE 8 features. With proper preparation, individuals can pass the exam and gain the Java SE 8 certification, which can help them advance their career in the IT industry.
Oracle 1z0-808 (Java SE 8 Programmer I) Certification Exam is a popular certification exam for individuals who are interested in becoming certified Java developers. 1z0-808 exam is designed to test an individual's knowledge of Java SE 8 programming language and their ability to develop Java applications. 1z0-808 exam covers a wide range of topics, including Java basics, object-oriented programming, and collections.
NEW QUESTION # 108
Given the code fragment:
What is the result?
- A. [1, 3, 4 ]
- B. [1, 2, 4, null ]
- C. A NullPointerException is thrown at runtime.
- D. [1, 2, 4]
- E. [1, 3, 4, null ]
- F. Compilation fails.
Answer: D
Explanation:
NEW QUESTION # 109
Given:
What is the result?
- A. 97 98
99 100 101 102 103 - B. 97 98
99 100 null null null - C. A NullPointerException is thrown at runtime.
- D. An ArraylndexOutOfBoundsException is thrown at runtime.
- E. Compilation fails.
Answer: B
NEW QUESTION # 110
Given the code fragment:
What is the result?
- A. Match 1
- B. A NullPointerException is thrown at runtime.
- C. Match 2
- D. No Match
Answer: C
NEW QUESTION # 111
View the exhibit.
Given the code fragment:
Which change enables the code to print the following?
James age: 20
Williams age: 32
- A. Replacing line 5 with public static void main (String [] args) throws MissingInfoException, AgeOutofRangeException {
- B. Replacing line 5 with public static void main (String [] args) throws.Exception {
- C. Enclosing line 6 and line 7 within a try block and adding: catch(Exception e1) { //code goes here} catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here}
- D. Enclosing line 6 and line 7 within a try block and adding: catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here}
Answer: C
NEW QUESTION # 112
Given the definitions of the MyString class and the Test class:
What is the result?
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: A
NEW QUESTION # 113
Given the definitions of the MyString class and the Test class:
What is the result?
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: A
NEW QUESTION # 114
Given the code fragment:
Which modification enables the code fragment to print TrueDone?
- A. Remove the default section.
- B. At line 9, remove the break statement.
- C. Replace line 5 with boolean opt = l; Replace line 7 with case 1:
- D. Replace line 5 With String opt = "true"; Replace line 7 with case "true":
Answer: D
NEW QUESTION # 115
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. Overridden 20 Base 30
- B. Base 30 Overridden 20
- C. Base 30
- D. Overridden 20
Answer: D
NEW QUESTION # 116
Given the code fragment:
What is the result?
- A. An exception is thrown at runtime.
- B. 2014-07-31T01:01:00
- C. 2014-07-31
- D. 2014-09-30T00:00:00
Answer: B
NEW QUESTION # 117
Given the code fragments:
Which modification enables the code to compile?
A:
B:
C:
D:
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: A
NEW QUESTION # 118
Given the code fragment:
Which two modifications, when made independently, enable the code to print joe:true: 100.0? (Choose two.)
- A. Option C
- B. Option D
- C. Option A
- D. Option B
- E. Option E
Answer: A,C
NEW QUESTION # 119
Given:
- A. e, e
i, o - B. e, e
o, o - C. a, e
o, o - D. a, e
i, o
Answer: C
NEW QUESTION # 120
The protected modifier on a Field declaration within a public class means that the field ______________.
- A. Can be read but not written from outside the class
- B. Can be read and written from this class and its subclasses only within the same package
- C. Cannot be modified
- D. Can be read and written from this class and its subclasses defined in any package
Answer: D
NEW QUESTION # 121
Given the code fragment:
Test.java:
Which is the result?
- A.
- B. Compilation fails in the Employeeclass.
- C.
- D. Compilation fails in the Testclass.
- E. Both the Employeeclass and the Testclass fail to compile.
Answer: D
NEW QUESTION # 122
Given:
What is the result?
- A. String main 1
- B. Object main 1
- C. An exception is thrown at runtime
- D. int main 1
- E. Compilation fails
Answer: A
NEW QUESTION # 123
Given the following classes:
Which two options fail to compile when placed at line n1 of the main method?
- A. director.stockOptions = 1_000;
- B. employee.salary = 50_000;
- C. manager.stockOption = 500;
- D. manager.budget = 1_000_000;
- E. employee.budget = 200_000;
- F. director.salary = 80_000;
Answer: C,E
NEW QUESTION # 124
Given:
What should statement1, statement2, and statement3, be respectively, in order to produce the result?
Shape: constructor
Square: foo
Shape: foo
- A. Option D
- B. Option B
- C. Option E
- D. Option C
- E. Option A
Answer: A
NEW QUESTION # 125
Given the code fragment:
What is the result?
- A. Jesse 25
Walter 52 - B. Compilation fails at both line n1 and line n2.
- C. Compilation fails only at line n1.
- D. Compilation fails only at line n2.
Answer: B
NEW QUESTION # 126
Identify two benefits of using ArrayList over array in software development.
- A. is multi.thread safe
- B. implements the Collection API
- C. reduces memory footprint
- D. dynamically resizes based on the number of elements in the list
Answer: C,D
Explanation:
ArrayList supports dynamic arrays that can grow as needed. In Java, standard arrays are of a fixed length. After arrays are created, they cannot grow or shrink, which means that you must know in advance how many elements an array will hold. But, sometimes, you may not know until run time precisely how large of an array you need. To handle this situation, the collections framework defines ArrayList. In essence, an ArrayList is a variable-length array of object references. That is, an ArrayList can dynamically increase or decrease in size. Array lists are created with an initial size. When this size is exceeded, the collection is automatically enlarged. When objects are removed, the array may be shrunk.
NEW QUESTION # 127
Given the code fragment:
Which code fragment, when inserted at line 9, enables the code to print true?
- A. String str2 = str1;
- B. String str2 = new String (str1);
- C. String str2 = sb1. toString ();
- D. String str2 = "Duke";
Answer: B
NEW QUESTION # 128
Given the code fragment:
Which code fragment, when inserted at line 3, enables the code to print 10:20?
- A. int[] array = new int[2];
- B. int[] array;array = int[2];
- C. int array [2] ;
- D. int array = new int[2];
Answer: A
Explanation:
NEW QUESTION # 129
Given:
class Sports {
int num_players;
String name, ground_condition;
Sports(int np, String sname, String sground){
num_players = np;
name = sname;
ground_condition = sground;
}
}
class Cricket extends Sports {
int num_umpires;
int num_substitutes;
Which code fragment can be inserted at line //insert code here to enable the code to compile?
- A. Cricket() {
this(3,2);
super(11, "Cricket", "Condidtion OK");
}
Cricket(int nu, ns) {
this.num_umpires =nu;
this.num_substitutes=ns;
} - B. Cricket() {
super(11, "Cricket", "Condidtion OK");
num_umpires =3;
num_substitutes=2; } - C. Cricket() {
super.ground_condition = "Condition OK";
super.name="Cricket";
super.num_players = 11;
num_umpires =3;
num_substitutes=2;
} - D. Cricket() {
this.num_umpires =3;
this.num_substitutes=2;
super(11, "Cricket", "Condidtion OK");
}
Answer: B
Explanation:
Incorrect:
not C, not D: call to super must be the first statement in constructor.
NEW QUESTION # 130
Given:
What is the result?
- A. 81 25
- B. 0 0
- C. 9 5
- D. Compilation fails.
Answer: C
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION # 131
Given the code fragment:
Which two modifications, when made independently, enable the code to print joe:true: 100.0?
- A. Option C
- B. Option D
- C. Option A
- D. Option B
- E. Option E
Answer: A,C
NEW QUESTION # 132
Given the following class:
And given the following main method, located in another class:
Which three lines, when inserted independently at line n1, cause the program to print a 0 balance?
- A. acct.changeAmount(0);
- B. acct.changeAmount(-acct.amount);
- C. acct. getAmount () = 0;
- D. acct.changeAmount(-acct.getAmount());
- E. acct (0) ;
- F. this.amount = 0;
- G. amount = 0;
- H. acct.amount = 0;
Answer: E,F,H
NEW QUESTION # 133
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