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Oracle 1z1-811 Actual Questions and Braindumps
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NEW QUESTION 34
Given the code fragment:
What is the result?
- A. Unknown issues.
Invalid divisor. - B. Unknown issues.
- C. Invalid divisor.
- D. A compilation error occurs.
Answer: D
NEW QUESTION 35
Which statement is true about exception handling?
- A. At least one catch block must accompany a try statement.
- B. All catch blocks must be ordered from general to most specific.
- C. All statements in a try block are executed, even if an exception occurs in the middle of the try block.
- D. At least one statement in a try block must throw an exception.
Answer: B
NEW QUESTION 36
Given:
And the code fragment:
What is the result?
- A. White : White
- B. A compilation error occurs at line n1.
- C. White : null
- D. null: null
Answer: D
NEW QUESTION 37
Given these class definitions:
Which class or classes compile?
- A. only MyClassB, MyClassC, and MyClassD
- B. only MyClassB
- C. only MyClassB and MyClassD
- D. MyClassA, MyClassB, MyClassC, and MyClassD
Answer: C
NEW QUESTION 38
What is the meaning of "write once, run anywhere" in Java?
- A. Java programs can run on any Java Virtual Machine without being recompiled.
- B. It is a marketing statement because Java programs must be compiled for a specific platform in order to run.
- 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: A
NEW QUESTION 39
Given:
What is the result?
- A. Compilation fails. To make it compile, replace line n1 with var1 = 0;
- B. Nothing is printed.
- C. 0
- D. Compilation fails. To make it compile, replace line n2 with var2 = 0;
Answer: D
NEW QUESTION 40
Given the code fragment:
What is the result?
- A. true
false - B. true
true - C. false
true - D. false
false
Answer: B
NEW QUESTION 41
Given the contents of the Test.java file:
What is the result?
- A. A compilation error occurs at line n2.
- B. A compilation error occurs at line n1.
- C. 100 : 400
- D. 200 : 400
Answer: A
NEW QUESTION 42
Identify three advantages of object-oriented programming.
- A. information sharing
- B. information hiding
- C. code reuse
- D. separation of state and behavior
- E. modularity
Answer: B,C,E
NEW QUESTION 43
Given:
What is the result?
- A. The code fails to compile. To make it compile, at line n2 insert:
this (); - B. The code fails to compile. To make it compile, at line n1 insert:
this () { } - C. The code fails to compile. To make it compile, at line n1 insert:
Bus () { } - D. The code compiles and prints:
default
Answer: C
Explanation:
luxury
NEW QUESTION 44
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 45
Which statement is true about primitive variables?
- A. They cannot be compared.
- B. They can be compared with the compareTo method only.
- C. They can be compared with the equals method only.
- D. They can be compared with the == operator.
Answer: C
NEW QUESTION 46
Given the code fragment:
Which code fragment, when inserted at line n1, enables the code to print one?
- A. String var = "1";
- B. String var = 1;
- C. int var = 1;
- D. char var = '1';
Answer: A
NEW QUESTION 47
Given the code fragment:
What is the output?
- A. 0
- B. 1
- C. 2
- D. A compilation error occurs.
Answer: A
NEW QUESTION 48
Given the code
What is the result?
- A. num = 0
- B. num = 100
- C. The program executes indefinitely.
- D. num = 99
Answer: D
NEW QUESTION 49
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 SE Embedded
- B. Java Enterprise Edition
- C. Java Micro Edition
- D. Java Standard Edition with a Compact Profile
Answer: A
NEW QUESTION 50
Given the contents of Student.java:
Which statement is true?
- A. The commands:
javac Student.java
java Student "Richard William" Java
are used to print Richard William is studying Java. - B. The commands:
javac Course.java
javac Student.java
java Course
java Student "Richard William" Java
are used to print Richard William is studying Java. - C. The commands:
javac Student.java
java Student Richard William Java
are used to print Richard William is studying Java. - D. The commands:
javac Student.java
java Student Richard William Java
throw an error about a missing Course.class file.
Answer: D
NEW QUESTION 51
Given:
Which statement is true about the main method?
- A. It cannot be defined in a non-public class.
- B. Its parameter can be of type Integer [].
- C. It can be a non-static method.
- D. It cannot be invoked by its name.
Answer: D
NEW QUESTION 52
Given the code fragment:
What is the result?
- A. [jasmine, rose, lily]
- B. [jasmine, lily, lotus]
- C. A runtime exception is thrown.
- D. [jasmine, rose, lotus, lily]
Answer: C
NEW QUESTION 53
Identify three features of the Java programming language.
- A. dynamically typed
- B. multithreaded
- C. strongly typed
- D. distributed
- E. direct memory management
Answer: A,B,D
NEW QUESTION 54
Given the code fragment:
What is the result?
- A. true
true
true
true - B. false
false
false
false - C. true
false
false
false - D. true
true
true
false
Answer: A
NEW QUESTION 55
Which two statements are true about the Java Runtime Environment (JRE)?
- A. It interprets bytecode stored in a .class file.
- B. It contains the JDK and Java APIs.
- C. It is responsible for garbage collection.
- D. You must install the JRE to compile a .java file.
- E. It is platform independent.
Answer: A,E
NEW QUESTION 56
Identify two class variables.
- A. private Measure cm;
- B. public int size = 10;
- C. int scale = 35;
- D. public static int counter = 0;
- E. private static int numberOfSquares = 20;
Answer: D,E
NEW QUESTION 57
......
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