Oracle 1z1-811 Certification Exam Dumps with 77 Practice Test Questions
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NEW QUESTION # 34
Identify two class variables.
- A. public static int counter = 0;
- B. private static int numberOfSquares = 20;
- C. private Measure cm;
- D. public int size = 10;
- E. int scale = 35;
Answer: A,B
NEW QUESTION # 35
Given the code fragment:
What is the result?
- A. [jasmine, rose, lotus, lily]
- B. [jasmine, rose, lily]
- C. A runtime exception is thrown.
- D. [jasmine, lily, lotus]
Answer: C
NEW QUESTION # 36
Given:
What is the result?
- A. Compilation fails. To make it compile, replace line n2 with var2 = 0;
- B. Compilation fails. To make it compile, replace line n1 with var1 = 0;
- C. Nothing is printed.
- D. 0
Answer: A
NEW QUESTION # 37
Given the code fragment:
What is the result?
- A. 10
10 - B. 10
14 - C. 9
9 - D. 9
12
Answer: A
NEW QUESTION # 38
Given the code fragment:
At which line does a compilation error occur?
- A. lines 6 and 8
- B. line 7
- C. line 5
- D. lines 5 and 7
Answer: C
NEW QUESTION # 39
Identify three advantages of object-oriented programming.
- A. separation of state and behavior
- B. information hiding
- C. information sharing
- D. code reuse
- E. modularity
Answer: B,D,E
NEW QUESTION # 40
Which statement is true about a Java method?
- A. It must accept a parameter and return a value.
- B. It cannot be defined within another method.
- C. It cannot be defined as static final.
- D. It must be declared with an access modifier.
Answer: B
NEW QUESTION # 41
You have a microprocessor board, such as Raspberry PI, wired to control a drone.
Which edition of Java is geared towards use of simple, closed systems with constrained memory requirements, such as a microprocessor board?
- A. Java Micro Edition
- B. Java Enterprise Edition
- C. Java Standard Edition with a Compact Profile
- D. Java SE Embedded
Answer: D
NEW QUESTION # 42
Given the code fragment:
Which statement is true?
- A. The code compiles successfully
- B. The code results in a compilation error. To make it compile, insert at line n1:
import java.util.*; - C. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang.Math;
import java.lang.Random; - D. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang;
import java.util;
Answer: A
NEW QUESTION # 43
Given these class definitions:
Which class or classes compile?
- A. only MyClassB, MyClassC, and MyClassD
- B. only MyClassB
- C. MyClassA, MyClassB, MyClassC, and MyClassD
- D. only MyClassB and MyClassD
Answer: D
NEW QUESTION # 44
Given the code fragment:
What is the result?
- A. true
true
true
false - B. false
false
false
false - C. true
false
false
false - D. true
true
true
true
Answer: D
NEW QUESTION # 45
Given the code fragment:
What is the result?
- A. 10 20
10 20 - B. A compilation error occurs.
- C. 10 20
10 15 20 - D. A runtime exception is thrown.
Answer: B
NEW QUESTION # 46
What is the meaning of "write once, run anywhere" in Java?
- A. It is a marketing statement because Java programs must be compiled for a specific platform in order to run.
- B. Java programs can run on any Java Virtual Machine without being recompiled.
- C. Java programs, after being compiled, can run on any platform or device even without a Java Virtual Machine.
- D. Java programs are designed to run only in web browsers and, thus, can run wherever there is a browser.
Answer: B
NEW QUESTION # 47
Identify two valid data types for the operands of the addition (+) operator?
- A. string
- B. boolean
- C. numeric
- D. array
Answer: A,D
NEW QUESTION # 48
You have been asked to develop a Java program that prints the elements of an array in reverse order.
Which looping statement cannot be used to meet the requirement?
- A. enhanced for
- B. while
- C. standard for
- D. do-while
Answer: D
NEW QUESTION # 49
Given the code fragment:
What is the result?
- A. Peter
Julia - B. A compilation error occurs.
- C. Julia
Peter - D. A runtime exception is thrown.
Answer: C
NEW QUESTION # 50
Given the code fragment:
What is the result?
- A. 25.67
- B. 0
- C. 25.7
- D. 25.00
Answer: A
NEW QUESTION # 51
Which two components can class declarations include?
- A. A list of instance methods
- B. The public modifier
- C. The main method
- D. Interfaces implemented by the class
Answer: B,D
NEW QUESTION # 52
......
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