1z1-819 Dumps 2022 - New Oracle 1z1-819 Exam Questions
Free 1z1-819 Braindumps Download Updated on Mar 29, 2022 with 215 Questions
NEW QUESTION 66
Given:
What is the result?
- A. 3 3 3 3
- B. 5 5 3 3
- C. 3 5 3 3
- D. 3 5 3 5
Answer: C
Explanation:
NEW QUESTION 67
Given:
Which would cause s to be AQCD?
- A. s.replace(s.indexOf("B"), s.indexOf("B"), "Q");
- B. s.replace(s.indexOf("B"), s.indexOf("C"), "Q");
- C. s.replace(s.indexOf("A"), s.indexOf("C"), "Q");
- D. s.replace(s.indexOf("A"), s.indexOf("B"), "Q");
Answer: B
NEW QUESTION 68
Given the code fragment:
What is the result?
- A. ab cd ef
- B. abc def
- C. An ArrayIndexOutOfBoundsException is thrown at runtime.
- D. ad be cf
- E. The compilation fails.
Answer: D
NEW QUESTION 69
Given:
Which two constructors will compile and set the class field strings? (Choose two.)
- A. Option E
- B. Option C
- C. Option D
- D. Option B
- E. Option A
Answer: A,B
NEW QUESTION 70
Examine this excerpt from the declaration of the java.se module:
What does the transitive modifier mean?
- A. Only a module that requires the java.se module is permitted to require the java.sql module.
- B. Any module that requires the java.sql module does not need to require the java.se module.
- C. Any module that requires the java.se module does not need to require the java.sql module.
- D. Any module that attempts to require the java.se module actually requires the java.sql module instead.
Answer: A
NEW QUESTION 71
Given:
What prevents this code from compiling?
- A. The calculateSurfaceAreamethod within Cylinder must be declared default.
- B. The calculateSurfaceAreamethod within Rectangle and Ellipserequires a publicaccess modifier.
- C. Cylinderis not properly calling the Rectangle and Ellipseinterfaces' calculateSurfaceArea methods.
- D. Cylinderrequires an implementation of calculateSurfaceAreawith two parameters.
Answer: C
NEW QUESTION 72
Given:
After which line can we insert assert i < 0 || values[i] <= values[i + 1]; to verify that the values array is partially sorted?
- A. after line 8
- B. after line 6
- C. after line 10
- D. after line 5
Answer: B
Explanation:
NEW QUESTION 73
Analyze the code:
Which two options can you insert inside println method to produce Global:namescope? (Choose two.)
- A. Test.prefix+Test.name
- B. new Test().prefix+new Test().name
- C. prefix+name
- D. prefix+Test.name
- E. Test.getName+prefix
- F. Test.prefix+Test.getName()
Answer: B,F
NEW QUESTION 74
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
NEW QUESTION 75
Given the code fragment:
Path currentFile = Paths.get("/scratch/exam/temp.txt");
Path outputFile = Paths get("/scratch/exam/new.txt");
Path directory = Paths.get("/scratch/");
Files.copy(currentFile, outputFile);
Files.copy(outputFile, directory);
Files.delete (outputFile);
The /scratch/exam/temp.txt file exists. The /scratch/exam/new.txt and /scratch/new.txt files do not exist.
What is the result?
- A. A copy of /scratch/exam/new.txt exists in the /scratch directory and /scratch/exam/new.txt is deleted.
- B. /scratch/exam/new.txt and /scratch/new.txt are deleted.
- C. The program throws a FileaAlreadyExistsException.
- D. The program throws a NoSuchFileException.
Answer: D
Explanation:
NEW QUESTION 76
Given:
What is the result?
- A. The program prints nothing.
- B. Orange Juice Apple Pie Lemmon Ice Raspberry Tart
- C. The compilation fails.
- D. Orange Juice
Answer: B
Explanation:
NEW QUESTION 77
Given:
What is the result?
- A. java.lang.ArrayIndexOutOfBoundsException thrown
- B. [0,0] = Red[1,0] = Black[2,0] = Blue
- C. [0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet
- D. [0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet
Answer: D
Explanation:
NEW QUESTION 78
Given:
Which two independent changes will make the Main class compile? (Choose two.)
- A. Change line 2 to public Student(String classname).
- B. Move the entire Student class declaration to a separate Java file, Student.java.
- C. Change line 1 to static class Student {.
- D. Change line 1 to public class Student {.
- E. Change line 3 to Student student = new Student("Biology");.
Answer: A,E
Explanation:
NEW QUESTION 79
Given:
and
Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1,
1989?
- A. Option B
- B. Option D
- C. Option C
- D. Option A
Answer: A
NEW QUESTION 80
Given the code fragment:
What is the result?
- A. An ArrayIndexOutofBoundsException is thrown at runtime.
- B. gh ij kl
- C. The compilation fails.
- D. gj hk il
- E. ghi jkl
Answer: A
NEW QUESTION 81
Given the code fragment:
What is the result?
- A. false false true
- B. false true false
- C. false true true
- D. true false false
Answer: B
Explanation:
NEW QUESTION 82
Given the code fragment:
What is the result?
- A. 01
- B. 0
- C. The program prints nothing.
- D. 1
- E. It prints 1 in the infinite loop.
Answer: C
NEW QUESTION 83
......
Understanding functional and technical aspects of Java SE 11 Developer Exam Number: 1Z0-819
The following will be discussed in the ORACLE 1Z0-006 exam dumps:
- Create and use enumerations
- Utilize polymorphism and casting to call methods, differentiate object type versus reference type
- Understand variable scopes, apply encapsulation and make objects immutable
- Secure resource access including filesystems, manage policies and execute privileged code
- Create and use interfaces, identify functional interfaces, and utilize private, static, and default methods
- Declare and instantiate Java objects including nested class objects, and explain objects' - lifecycles (including creation, dereferencing by reassignment, and garbage collection)
- Define and use fields and methods, including instance, static and overloaded methods
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