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The 1z1-811 exam covers a wide range of topics, including basic syntax and control structures, object-oriented programming concepts, and exception handling. Additionally, the exam tests a candidate's knowledge of Java class libraries, input/output operations, and database connectivity. 1z1-811 exam seeks to ensure that individuals have a solid understanding of the foundational concepts of Java programming.
NEW QUESTION # 35
Given the code fragment:
What is the result?
- A. true false 0
- B. true true 0
- C. false false -1
- D. false true -1
Answer: A
NEW QUESTION # 36
Given the code fragment:
What is the result?
- A. Invalid divisor.
- B. A compilation error occurs.
- C. Unknown issues.
Invalid divisor. - D. Unknown issues.
Answer: B
NEW QUESTION # 37
Given the code fragment:
What is the result?
- A. A compilation error occurs.
- B. A runtime exception is thrown.
- C. paper pen pencil erasers
- D. pen pencil erasers paper
Answer: B
NEW QUESTION # 38
Which method identifier is correct according to Java naming conventions?
- A. calculateBill
- B. BillCalculator
- C. calculatebill
- D. Calculator
Answer: D
NEW QUESTION # 39
Given the code fragment:
What is the result?
- A. true
false - B. false
false - C. true
true - D. false
true
Answer: B
NEW QUESTION # 40
Given the code fragment:
What is the result?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 41
Which statement is true about exception handling?
- A. All statements in a try block are executed, even if an exception occurs in the middle of the try block.
- B. At least one statement in a try block must throw an exception.
- C. At least one catch block must accompany a try statement.
- D. All catch blocks must be ordered from general to most specific.
Answer: D
NEW QUESTION # 42
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 # 43
Identify three advantages of object-oriented programming.
- A. separation of state and behavior
- B. information sharing
- C. code reuse
- D. information hiding
- E. modularity
Answer: C,D,E
NEW QUESTION # 44
Given the code fragment:
What is the result?
- A. Selected Chocolate flavor.
- B. Selected null flavor.
- C. Selected Chocolate flavor.
- D. An ArrayIndexOutofBoundsException is thrown at run time.
Answer: D
NEW QUESTION # 45
Given:
At which line does a compilation error occur?
- A. line 3
- B. line 7
- C. line 5
- D. line 2
Answer: D
NEW QUESTION # 46
Given:
And the code fragment:
What is the result?
- A. White : White
- B. null: null
- C. A compilation error occurs at line n1.
- D. White : null
Answer: B
NEW QUESTION # 47
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 = 1; idx < arr.length-1; idx++) {
System.out.print (arr[idx++]);
} - D. for(int idx = 0; idx < arr.length; idx+=2) {
System.out.print (arr[idx]);
}
Answer: D
NEW QUESTION # 48
Given the contents of the Test.java file:
What is the result?
- A. 100 : 400
- B. 200 : 400
- C. A compilation error occurs at line n2.
- D. A compilation error occurs at line n1.
Answer: C
NEW QUESTION # 49
Which statement is true about primitive variables?
- A. They can be compared with the equals method only.
- B. They can be compared with the compareTo method only.
- C. They cannot be compared.
- D. They can be compared with the == operator.
Answer: A
NEW QUESTION # 50
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 SE Embedded
- C. Java Enterprise Edition
- D. Java Standard Edition with a Compact Profile
Answer: B
NEW QUESTION # 51
Given the code fragment:
Which statement is true?
- A. The code results in a compilation error. To make it compile, insert at line n1:
import java.util.*; - B. The code compiles successfully
- C. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang;
import java.util; - D. The code results in a compilation error. To make it compile, insert at line n1:
import java.lang.Math;
import java.lang.Random;
Answer: B
NEW QUESTION # 52
Given the code fragment:
What is the result?
- A. 3 : 1
- B. 3 : 2
- C. 2 : 0
- D. 0 : 1
Answer: B
NEW QUESTION # 53
Given the code fragment:
What is the result?
- A. a memory address in hexadecimal number format
[10, 15] - B. 0, 10, 15
[10, 15, null] - C. 10, 15
[10, 15] - D. a memory address1 in hexadecimal number format
a memory address2 in hexadecimal number format
Answer: A
NEW QUESTION # 54
Identify two features of Java.
- A. platform independent
- B. architecture dependent
- C. robust
- D. single threaded
Answer: A,C
NEW QUESTION # 55
Which two statements are true about the Java Runtime Environment (JRE)?
- A. It is platform independent.
- B. You must install the JRE to compile a .java file.
- C. It is responsible for garbage collection.
- D. It contains the JDK and Java APIs.
- E. It interprets bytecode stored in a .class file.
Answer: A,E
NEW QUESTION # 56
Given the code:
Which code fragment, when inserted at line n1, enables the code to print sum is 30?
- A. int sum(int[] a, b) {
- B. int sum(int a, int b) {
- C. int sum(int, int) {
- D. int sum(int a, b) {
Answer: A
NEW QUESTION # 57
Given:
What is the result?
- A. The code fails to compile. To make it compile, at line n2 insert:
this (); - B. The code compiles and prints:
default - C. The code fails to compile. To make it compile, at line n1 insert:
Bus () { } - D. The code fails to compile. To make it compile, at line n1 insert:
this () { }
Answer: C
Explanation:
luxury
NEW QUESTION # 58
......
Oracle 1z1-811 (Java Foundations) Certification Exam is a computer-based exam that consists of 60 multiple-choice questions. Candidates have 105 minutes to complete the exam, and the passing score is 68%. 1z1-811 exam is available in English and Japanese languages and can be taken at any Oracle testing center or online through Pearson VUE.
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