Latest [May 17, 2023] Oracle 1z1-811 Real Exam Dumps PDF
1z1-811 Practice Test Questions Updated 77 Questions
To pass the Oracle 1z1-811 exam, candidates must demonstrate a solid understanding of Java programming concepts and have practical experience working with Java code. The exam consists of 70 multiple-choice questions that must be completed within 105 minutes. To prepare for the exam, candidates can use a variety of study materials including online courses, practice exams, and study guides. Upon passing the exam, candidates will earn the Oracle Certified Junior Associate (OCA) certification, which can help them stand out in the job market and advance their careers in Java development.
NEW QUESTION # 30
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 31
Given the code fragment:
Which for loop statement can be used to print 135?
- A. for(int idx = 0; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - B. for(int idx = 1; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
} - C. for(int idx = 1; idx < arr.length-1; idx++) {
System.out.print (arr[idx++]);
} - D. for(int idx = 0; idx < arr.length; idx++) {
System.out.print (arr[idx]);
}
Answer: A
NEW QUESTION # 32
Given these class definitions:
Which class or classes compile?
- A. only MyClassB, MyClassC, and MyClassD
- B. MyClassA, MyClassB, MyClassC, and MyClassD
- C. only MyClassB
- D. only MyClassB and MyClassD
Answer: D
NEW QUESTION # 33
Given the code fragment:
Which code fragment, when inserted at line n1, enables it to print Rita is 14 years old?
- A. System.out.println("%s is %n years old" name, age);
- B. System.out.printf("%s is %n years old", name, age);
- C. System.out.println("%s is %d years old" +name+age);
- D. System.out.printf("%s is %d years old", name, age);
Answer: D
NEW QUESTION # 34
Given the code fragment:
Which code fragment, when inserted at line n1, enables the code to print Java Programming:1?
- A. System.out.println(Course.name + ":" + c.count);
- B. System.out.println(c.name + ":" + Course.count);
- C. System.out.println(name + ":" + count);
- D. System.out.println(c.name + ":" + count);
Answer: B
NEW QUESTION # 35
Given the contents of the Test.java file:
What is the result?
- A. 200 : 400
- B. 100 : 400
- C. A compilation error occurs at line n2.
- D. A compilation error occurs at line n1.
Answer: C
NEW QUESTION # 36
Given the code fragment:
Which two code fragments are valid at line 2?
- A. private String name = "John";
public void display() {
System.out.print(name);
} - B. import java.util.*;
public void display() {
List<Integer> nums = new ArrayList<> ();
} - C. {
private int num;
} - D. package p1;
- E. for (int count = 0; count < 5; count++) {
System.out.print(count);
}
Answer: A,D
NEW QUESTION # 37
Given the code fragment:
What is the result?
- A. Unknown issues.
- B. A compilation error occurs.
- C. Invalid divisor.
- D. Unknown issues.
Invalid divisor.
Answer: B
NEW QUESTION # 38
Given the code fragment:
Which code fragment can be inserted at line n1 to enable the code to compile?
- A. int[10] num;
- B. new int num[];
- C. int[] num;
- D. int num[10];
Answer: C
NEW QUESTION # 39
Given the code fragment:
What is the result?
- A. a memory address in hexadecimal number format
[10, 15] - B. a memory address1 in hexadecimal number format
a memory address2 in hexadecimal number format - C. 10, 15
[10, 15] - D. 0, 10, 15
[10, 15, null]
Answer: A
NEW QUESTION # 40
Given the code fragment:
What is the result?
- A. A compilation error occurs.
- B. 10 20
10 15 20 - C. A runtime exception is thrown.
- D. 10 20
10 20
Answer: A
NEW QUESTION # 41
What does import java.io* mean?
- A. Only the io class is imported.
- B. All classes whose names start with io are imported.
- C. All classes in the io package and the subpackages of io packages, if any, are imported.
- D. All classes in the io package are imported.
Answer: C
NEW QUESTION # 42
Given the classes:
Which two modifications, independently, enable the Salad.java file to compile?
- A. Replace line n1 with import fruits.Apple;
- B. Replace line n2 with fruits.Apple apple = new fruits.Apple ();
- C. Replace line n1 with import fruits.Apple.getApple();
- D. Replace line n2 with fruits.Apple apple = new Apple ();
- E. Replace line n1 with import fruits;
Answer: C,D
NEW QUESTION # 43
Given:
What is the result?
- A. 0
- B. A compilation error occurs.
- C. 1
- D. 2
Answer: A
NEW QUESTION # 44
Given the code fragment:
What is the result?
- A. paper pen pencil erasers
- B. pen pencil erasers paper
- C. A runtime exception is thrown.
- D. A compilation error occurs.
Answer: C
NEW QUESTION # 45
......
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