From the Omgzlook platform, you will get the perfect match 1Z0-804 Latest Practice Test Online actual test for study. 1Z0-804 Latest Practice Test Online practice download pdf are researched and produced by Professional Certification Experts who are constantly using industry experience to produce precise, and logical Oracle training material. 1Z0-804 Latest Practice Test Online study material is constantly begining revised and updated for relevance and accuracy. Yes, we provide free PDF version for your reference. If you want to know the quality of our PDF version of 1Z0-804 Latest Practice Test Online new test questions, free PDF demo will show you. You can get the latest information about the 1Z0-804 Latest Practice Test Online real test, because our Omgzlook will give you one year free update.
Java and Middleware 1Z0-804 Never feel sorry to invest yourself.
You can much more benefited form our 1Z0-804 - Java SE 7 Programmer II Exam Latest Practice Test Online study guide. To choose us is to choose success! It is an incredible opportunity among all candidates fighting for the desirable exam outcome to have our 1Z0-804 Latest Visual Cert Test practice materials.
The 1Z0-804 Latest Practice Test Online prep torrent we provide will cost you less time and energy. You only need relatively little time to review and prepare. After all, many people who prepare for the 1Z0-804 Latest Practice Test Online exam, either the office workers or the students, are all busy.
Oracle 1Z0-804 Latest Practice Test Online - You will not need to struggle with the exam.
Regarding the process of globalization, every fighter who seeks a better life needs to keep pace with its tendency to meet challenges. 1Z0-804 Latest Practice Test Online certification is a stepping stone for you to stand out from the crowd. Nowadays, having knowledge of the 1Z0-804 Latest Practice Test Online study braindumps become widespread, if you grasp solid technological knowledge, you are sure to get a well-paid job and be promoted in a short time. According to our survey, those who have passed the exam with our 1Z0-804 Latest Practice Test Online test guide convincingly demonstrate their abilities of high quality, raise their professional profile, expand their network and impress prospective employers.
Most of the materials on the market do not have a free trial function. Even some of the physical books are sealed up and cannot be read before purchase.
1Z0-804 PDF DEMO:
QUESTION NO: 1
Given the code fragment:
What is the result?
A.Null B D
B.Null B null D
C.B D
D.D
E.An exception is thrown at runtime
Answer: C
QUESTION NO: 2
Given:
Which two are true?
A.A runtime exception is thrown on line 9.
B.No output is produced.
C.Greeting is printed once.
D.Greeting is printed twice.
E.No new threads of execution are started within the main method.
F.One new thread of execution is started within the main method.
G.Two new threads of execution are started within the main method.
Answer: C,E
Explanation:
Thread t2 is executed. Execution of T2 starts executionen of t1. Greeting is printed during the execution of t1.
QUESTION NO: 3
Which two properly implement a Singleton pattern?
A.class Singleton {
private static Singleton instance;
private Singleton () {}
public static synchronized Singleton getInstance() {
if (instance == null) {
instance = new Singleton ();
}
return instance;
}
}
B.class Singleton {
private static Singleton instance = new Singleton();
protected Singleton () {}
public static Singleton getInstance () {
return instance;
}
}
C.class Singleton {
Singleton () {}
private static class SingletonHolder {
private static final Singleton INSTANCE = new Singleton ();
}
public static Singleton getInstance () {
return SingletonHolder.INSTANCE; } }
D.enum Singleton {
INSTANCE;
}
Answer: A,D
Explanation:
A: Here the method for getting the reference to the SingleTon object is correct.
B: The constructor should be private
C: The constructor should be private
Note: Java has several design patterns Singleton Pattern being the most commonly used. Java
Singleton pattern belongs to the family of design patterns, that govern the instantiation process. This design pattern proposes that at any time there can only be one instance of a singleton (object) created by the JVM.
The class's default constructor is made private, which prevents the direct instantiation of the object by others (Other Classes). A static modifier is applied to the instance method that returns the object as it then makes this method a class level method that can be accessed without creating an object.
OPTION A == SHOW THE LAZY initialization WITHOUT DOUBLE CHECKED LOCKING TECHNIQUE ,BUT
ITS CORRECT OPTION D == Serialzation and thraead-safety guaranteed and with couple of line of code enum Singleton pattern is best way to create Singleton in Java 5 world.
AND THERE ARE 5 WAY TO CREATE SINGLETON CLASS IN JAVA 1>>LAZY LOADING (initialization)
USING SYCHRONIZATION 2>>CLASS LOADING (initialization) USING private static final Singleton instance = new
Singleton(); 3>>USING ENUM 4>>USING STATIC NESTED CLASS
5>>USING STATIC BLOCK
AND MAKE CONSTRUCTOR PRIVATE IN ALL 5 WAY.
QUESTION NO: 4
Given the code fragment:
What is the result?
A.getName (0): C:\
subpath (0, 2): C:\education\report.txt
B.getName(0): C:\ subpth(0, 2): C:\education
C.getName(0): education subpath (0, 2): education\institute
D.getName(0): education subpath(0, 2): education\institute\student
E.getName(0): report.txt subpath(0, 2): insritute\student
Answer: C
Explanation:
Example:
Path path = Paths.get("C:\\home\\joe\\foo");
getName(0)
-> home
subpath(0,2)
Reference: The Java Tutorial, Path Operations
QUESTION NO: 5
Given the code fragment:
What is the result?
A.Java 7
B.Java 6
C.Java 7, Java 6
D.Java 7 java 6
E.Java
Answer: C
Explanation:
regex: Java / one or more anything !!! / ends with a digit so it is the source string
Microsoft MB-230 - More detailed information is under below. Passing the VMware 1V0-41.20 test certification does not only prove that you are competent in some area but also can help you enter in the big company and double your wage. You can finish practicing all the contents in our Microsoft AI-102 practice materials within 20 to 30 hours, and you will be confident enough to attend the exam for our Microsoft AI-102 exam dumps are exact compiled with the questions and answers of the real exam. If you buy our SAP C-S43-2023 preparation questions, you can use our SAP C-S43-2023 practice engine for study in anytime and anywhere. Last but not least, we will provide the most considerate after sale service for our customers on our ISACA CISM-CN exam dumps.
Updated: May 28, 2022