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Get to know about the prerequisites of Oracle 1Z0-811 Exam
- Some understanding of web application design principles and their implementation on the back end, as well as front end design is essential.
- Basic knowledge of programming languages is essential.
- Basic knowledge of databases is a must.
- Experience with database administration is a plus.
NEW QUESTION 32
Given the contents of the Test.java file:
What is the result?
- A. A compilation error occurs at line n2.
- B. 100 : 400
- C. 200 : 400
- D. A compilation error occurs at line n1.
Answer: A
NEW QUESTION 33
Given the code fragment:
What is the result?
- A. [BETATEST]
- B. [betaTest]
- C. [ BETATEST ]
- D. [ betaTest ]
Answer: A
NEW QUESTION 34
Given the code fragment:
What is the result?
- A. Peter
Julia - B. A runtime exception is thrown.
- C. A compilation error occurs.
- D. Julia
Peter
Answer: D
NEW QUESTION 35
Given:
What is the result?
- A. 100
100 - B. A compilation error occurs at line n2.
- C. A compilation error occurs at line n1.
- D. 100
200
Answer: A
NEW QUESTION 36
Given the code fragment:
What is the result?
- A. Invalid divisor.
- B. Unknown issues.
Invalid divisor. - C. A compilation error occurs.
- D. Unknown issues.
Answer: C
NEW QUESTION 37
Identify two class variables.
- A. private static int numberOfSquares = 20;
- B. private Measure cm;
- C. public int size = 10;
- D. int scale = 35;
- E. public static int counter = 0;
Answer: A,E
NEW QUESTION 38
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. standard for
- B. enhanced for
- C. do-while
- D. while
Answer: C
NEW QUESTION 39
Given the code fragment:
What is the result?
- A. 25.67
- B. 25.7
- C. 0
- D. 25.00
Answer: A
NEW QUESTION 40
Given the code fragment:
Which for loop statement can be used to print 135?
- A. for(int idx = 1; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - B. for(int idx = 0; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - C. for(int idx = 0; idx < arr.length; idx++) {
System.out.print (arr[idx]);
} - D. for(int idx = 1; idx < arr.length-1; idx++) {
System.out.print (arr[idx++]);
}
Answer: B
NEW QUESTION 41
Given the code fragment:
What is the result?
- A. false false -1
- B. false true -1
- C. true true 0
- D. true false 0
Answer: D
NEW QUESTION 42
Given:
What is the result?
- A. [ : ]
- B. [:null]
- C. [null:null]
- D. [null:-]
Answer: D
NEW QUESTION 43
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.weight = 0.0;
- C. Ball b = null;
b.weight = 0.0; - D. Ball b = new Ball();
Answer: D
NEW QUESTION 44
Given the code fragment:
Which code fragment, when inserted at line n1, enables the code to print one?
- A. String var = 1;
- B. int var = 1;
- C. String var = "1";
- D. char var = '1';
Answer: C
NEW QUESTION 45
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. A compilation error occurs.
- D. 2
Answer: A
NEW QUESTION 46
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 47
Given the code fragment:
Which code fragment can be inserted at line n1 to enable the code to compile?
- A. int[10] num;
- B. int[] num;
- C. new int num[];
- D. int num[10];
Answer: B
NEW QUESTION 48
Identify two features of Java.
- A. single threaded
- B. robust
- C. architecture dependent
- D. platform independent
Answer: B,D
NEW QUESTION 49
Which statement is true about a mutator method?
- A. It replaces the default constructor.
- B. It returns mutated instance members.
- C. It can be used to assign data to instance members.
- D. It must be declared private.
Answer: B
NEW QUESTION 50
Given the code fragment:
What is the result?
- A. true
true
true
true - B. true
false
false
false - C. true
true
true
false - D. false
false
false
false
Answer: A
NEW QUESTION 51
Given:
And the code fragment:
What is the result?
- A. White : null
- B. null: null
- C. White : White
- D. A compilation error occurs at line n1.
Answer: B
NEW QUESTION 52
Which statement is true about primitive variables?
- A. They cannot be compared.
- B. They can be compared with the equals method only.
- C. They can be compared with the == operator.
- D. They can be compared with the compareTo method only.
Answer: B
NEW QUESTION 53
Given the code fragment:
What is the result?
- A. A runtime exception is thrown
- B. false
false - C. false
true - D. true
true
Answer: D
NEW QUESTION 54
Given the contents of Student.java:
Which statement is true?
- A. The commands:
javac Course.java
javac Student.java
java Course
java Student "Richard William" Java
are used to print Richard William is studying Java. - B. The commands:
javac Student.java
java Student Richard William Java
throw an error about a missing Course.class file. - 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
are used to print Richard William is studying Java.
Answer: B
NEW QUESTION 55
......
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