Oracle 1z0-811 Deluxe Study Guide with Online Test Engine
1z0-811 dumps review - Professional Quiz Study Materials
NEW QUESTION # 34
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. A compilation error occurs.
- D. 2
Answer: A
NEW QUESTION # 35
Identify two features of Java.
- A. single threaded
- B. platform independent
- C. robust
- D. architecture dependent
Answer: B,C
NEW QUESTION # 36
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 # 37
Given the code fragment:
Which code fragment can be inserted at line n1 to enable the code to print 0.0?
- A. Ball b = new Ball(0.0);
- B. Ball b = null;
b.weight = 0.0; - C. Ball b = new Ball();
- D. Ball.weight = 0.0;
Answer: C
NEW QUESTION # 38
Given the code fragment:
Which for loop statement can be used to print 135?
- A. for(int idx = 0; idx < arr.length; idx++) {
System.out.print (arr[idx]);
} - B. for(int idx = 1; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - C. for(int idx = 0; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - D. for(int idx = 1; idx < arr.length-1; idx++) {
System.out.print (arr[idx++]);
}
Answer: C
NEW QUESTION # 39
Given:
And the code fragment:
Which code fragment can be inserted at line n1 to enable the code to print All the best?
- A. void writeMsg();
- B. Messenger.writeMsg();
- C. m.writeMsg();
- D. writeMsg();
Answer: B
NEW QUESTION # 40
Given the code fragment:
Which statement is true?
- A. The code compiles without errors.
- B. A compilation error occurs at line 5.
- C. A compilation error occurs at line 7.
- D. A compilation error occurs at line 3.
Answer: A
NEW QUESTION # 41
Identify two Java reserved words.
- A. array
- B. exception
- C. this
- D. true
- E. string
Answer: C,D
NEW QUESTION # 42
Which statement is valid?
- A. int totalScore2 = 0;
- B. int total-score = 0;
- C. int total score = 0;
- D. int 2 totalScore = 0;
Answer: D
NEW QUESTION # 43
Given the code fragment:
What is the output?
- A. 0
- B. A compilation error occurs.
- C. 1
- D. 2
Answer: D
NEW QUESTION # 44
Given the code fragment:
What is the result?
- A. Selected null flavor.
- B. Selected Chocolate flavor.
- C. Selected Chocolate flavor.
- D. An ArrayIndexOutofBoundsException is thrown at run time.
Answer: D
NEW QUESTION # 45
Given the code fragment:
What is the result?
- A. false true -1
- B. false false -1
- C. true true 0
- D. true false 0
Answer: D
NEW QUESTION # 46
Which two Java reserved words are used to implement encapsulation?
- A. final
- B. private
- C. static
- D. public
- E. extends
Answer: B,D
NEW QUESTION # 47
Given:
What is the result?
- A. 0
- B. A compilation error occurs in the modify method.
- C. 1
- D. A compilation error occurs in the main method.
Answer: D
NEW QUESTION # 48
Given the code fragment:
What is the result?
- A. 10
10 - B. 10
14 - C. 9
9 - D. 9
12
Answer: A
NEW QUESTION # 49
Which statement is true about primitive variables?
- A. They can be compared with the compareTo method only.
- B. They cannot be compared.
- C. They can be compared with the == operator.
- D. They can be compared with the equals method only.
Answer: D
NEW QUESTION # 50
Which statement is true about exception handling?
- A. At least one statement in a try block must throw an exception.
- B. At least one catch block must accompany a try statement.
- C. All catch blocks must be ordered from general to most specific.
- D. All statements in a try block are executed, even if an exception occurs in the middle of the try block.
Answer: C
NEW QUESTION # 51
Given the code fragment:
What is the result?
- A. false
true - B. true
false - C. true
true - D. false
false
Answer: C
NEW QUESTION # 52
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 # 53
Given the code fragment:
Which code fragment, when inserted at line n1, enables it to print Rita is 14 years old?
- A. System.out.printf("%s is %n years old", name, age);
- B. System.out.println("%s is %n years old" name, age);
- C. System.out.printf("%s is %d years old", name, age);
- D. System.out.println("%s is %d years old" +name+age);
Answer: C
NEW QUESTION # 54
Which package would you import to use the Random class?
- A. java.util
- B. java.math
- C. java.io
- D. java.lang
Answer: A
NEW QUESTION # 55
Which two statements are true about the Java Runtime Environment (JRE)?
- A. It is responsible for garbage collection.
- B. It interprets bytecode stored in a .class file.
- C. It contains the JDK and Java APIs.
- D. You must install the JRE to compile a .java file.
- E. It is platform independent.
Answer: B,E
NEW QUESTION # 56
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 # 57
Given:
Which statement is true about the main method?
- A. Its parameter can be of type Integer [].
- B. It cannot be invoked by its name.
- C. It can be a non-static method.
- D. It cannot be defined in a non-public class.
Answer: B
NEW QUESTION # 58
Given the code fragment:
What is the result?
- A. false
true - B. true
true - C. A runtime exception is thrown
- D. false
false
Answer: B
NEW QUESTION # 59
......
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