Prepare Top Oracle 1z0-808 Exam Study Guide Practice Questions Edition
Go to 1z0-808 Questions - Try 1z0-808 dumps pdf
Oracle 1z0-808 certification exam is a 150-minute exam that consists of 70 multiple-choice questions. 1z0-808 exam is available in several languages, including English, Japanese, and Simplified Chinese. The passing score for the exam is 65%, which means that candidates must answer at least 45 questions correctly to pass the exam. 1z0-808 exam fee is $245, and candidates can register for the exam on the Oracle website.
To prepare for the exam, candidates should have a good understanding of the Java programming language and its syntax. They should be familiar with object-oriented programming concepts, such as inheritance, polymorphism, and encapsulation. Candidates should also have experience with Java SE 8 features, such as lambda expressions, streams, and functional interfaces. There are various study materials available, including books, online courses, and practice exams.
NEW QUESTION # 200
You are asked to create a method that accepts an array of integers and returns the highest value from that array.
Given the code fragment:
Which method signature do you use at line n1?
- A. public int findMax (int [] numbers)
- B. final int findMax (int [] )
- C. static int findMax (int [] numbers)
- D. static int[] findMax (int max)
Answer: A
NEW QUESTION # 201
Given:
Given the code fragment:
Which two sets of actions, independently, enable the code fragment to print Fit?
- A. At line n1 insert: import static clothing.Shirt.getColor;At line n2 insert: String color = getColor();
- B. At line n1 insert: import Shirt;At line n2 insert: String color = Shirt.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 clothing.Shirt;At line n2 insert: String color = Shirt.getColor();
Answer: E
NEW QUESTION # 202
Which three statements are true about the structure of a Java class? (Choose three.)
- A. A class can have overloaded private constructors.
- B. A class can have final static methods.
- C. A public class must have a main method.
- D. Methods and fields are optional components of a class.
- E. A class cannot have the same name as its field.
- F. Fields need to be initialized before use.
Answer: A,C,F
NEW QUESTION # 203
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. circle...
- B. squarecircle...
- C. Compilation fails.
- D. square...
Answer: B
NEW QUESTION # 204
Given the code fragment: Which modification enables the code fragment to print TrueDone?
- A. At line 9, remove the break statement.
- B. Replace line 5 with boolean opt = l; Replace line 7 with case 1=
- C. Replace line 5 With String result = "true"; Replace line 7 with case "true":
- D. Remove the default section.
Answer: C
NEW QUESTION # 205
Given the code fragment:
Which two modifications should you make so that the code compiles successfully? (Choose two.)
- A. Option D
- B. Option B
- C. Option C
- D. Option E
- E. Option A
Answer: C,D
NEW QUESTION # 206
Given:
Given:
public class SuperTest {
public static void main(String[] args) {
statement1
statement2
statement3
}
}
class Shape {
public Shape() {
System.out.println("Shape: constructor");
}
public void foo() {
System.out.println("Shape: foo");
}
}
class Square extends Shape {
public Square() {
super();
}
public Square(String label) {
System.out.println("Square: constructor");
}
public void foo() {
super.foo();
}
public void foo(String label) {
System.out.println("Square: foo");
}
}
}
}
What should statement1, statement2, and statement3, be respectively, in order to produce the result?
Shape: constructor Square: foo Shape: foo
- A. Square square = new Square ("bar");
square.foo ("bar"); square.foo ("bar"); - B. Square square = new Square ();
square.foo ();
square.foo(bar); - C. Square square = new Square();
square.foo("bar");
square.foo(); - D. Square square = new Square ();
square.foo ();
square.foo("bar"); - E. Square square = new Square ("bar");
square.foo ("bar");
square.foo(); - F. Square square = new Square ();
square.foo ();
square.foo ();
Answer: C
NEW QUESTION # 207
Given the code fragment:
What is the result?
- A. A NullPointerExceptionis thrown at runtime.
- B. A 0
B 1 - C. A
B - D. A element 0
B element 1
Answer: A
NEW QUESTION # 208
Given the code fragment:
Which two modifications enable the code to compile?
- A. Make the method at line 4 public.
- B. Make the method at line 10 protected.
- C. Make the method at line 8 public.
- D. Make the method at line 8 protected.
- E. Make the method at line 2 public.
Answer: B,D
NEW QUESTION # 209
Given:
What is the result?
- A. false:true
- B. true:true
- C. false:false
- D. true:false
Answer: A
NEW QUESTION # 210
Given:
And given the code fragment:
Book book1 = new EBook ();
Book1.readBook();
Which option enables the code to compile?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: B
NEW QUESTION # 211
Given:
What is the result?
- A. A NullPointerException is thrown at runtime
- B. True null
- C. True false
- D. Compilation fails
Answer: C
NEW QUESTION # 212
Given the code fragment:
What is the result?
- A. Jesse 25Walter 52
- B. Compilation fails only at line n1.
- C. Compilation fails at both line n1 and line n2.
- D. Compilation fails only at line n2.
Answer: A
NEW QUESTION # 213
Given:
How many MarkList instances are created in memory at runtime?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION # 214
Given:
What is the result?
- A. false:true
- B. true:true
- C. false:false
- D. true:false
Answer: A
NEW QUESTION # 215
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() {
super.ground_condition = "Condition OK";
super.name="Cricket";
super.num_players = 11;
num_umpires =3;
num_substitutes=2;
} - B. Cricket() {
super(11, "Cricket", "Condidtion OK");
num_umpires =3;
num_substitutes=2; } - C. Cricket() {
this(3,2);
super(11, "Cricket", "Condidtion OK");
}
Cricket(int nu, ns) {
this.num_umpires =nu;
this.num_substitutes=ns;
} - 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 # 216
Given the code fragment:
Which code fragment, when inserted at line n1, enables the App class to print Equal?
- A. Option D
- B. Option B
- C. Option C
- D. Option A
Answer: B
NEW QUESTION # 217
Given:
What is the result?
Base
- A. DerivedB
DerivedB - B. DerivedB
DerivedA - C. DerivedA
Base - D. A ClassCastExceptionis thrown at runtime.
- E. DerivedB
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 218
Given the code fragment:
What is the result?
- A. A B D E
- B. A B C
- C. Compilation fails.
- D. A B C D E
Answer: C
NEW QUESTION # 219
Given the code fragments: Which code fragment, when inserted at line n1, enables the code to print Hank?
- A. checkAge(iList, (Person p) -> { p.getAge() > 40; });
- B. checkAge (iList, ( ) -> p. get Age () > 40);
- C. checkAge (iList, p -> p.getAge() > 40);
- D. checkAge(iList, Person p -> p.getAge() > 40);
Answer: A
NEW QUESTION # 220
......
Free Java and Middleware 1z0-808 Exam Question: https://actualtests.prep4away.com/Oracle-certification/braindumps.1z0-808.ete.file.html