We can promise that you would like to welcome this opportunity to kill two birds with one stone. If you choose our 1Z0-804 Test Fees In Global test questions as your study tool, you will be glad to study for your exam and develop self-discipline, our 1Z0-804 Test Fees In Global latest question adopt diversified teaching methods, and we can sure that you will have passion to learn by our products. We believe that our products will help you successfully pass your exam and hope you will like our product. We have three versions of our 1Z0-804 Test Fees In Global exam braindumps: the PDF, Software and APP online. You can decide which one you prefer, when you made your decision and we believe your flaws will be amended and bring you favorable results even create chances with exact and accurate content of our 1Z0-804 Test Fees In Global learning guide. Besides, many exam candidates are looking forward to the advent of new 1Z0-804 Test Fees In Global versions in the future.
Java and Middleware 1Z0-804 We strongly advise you to have a brave attempt.
Java and Middleware 1Z0-804 Test Fees In Global - Java SE 7 Programmer II Exam We have enough confidence in our products, so we can give a 100% refund guarantee to our customers. With our 1Z0-804 Reliable Test Blueprint exam braindumps, you can not only learn the specialized knowledge of this subject to solve the problems on the work, but also you can get the 1Z0-804 Reliable Test Blueprint certification to compete for a higher position. It is time for you to plan your life carefully.
The procedures of buying our 1Z0-804 Test Fees In Global study materials are simple and save the clients’ time. We will send our 1Z0-804 Test Fees In Global exam question in 5-10 minutes after their payment. Because the most clients may be busy in their jobs or other significant things, the time they can spare to learn our 1Z0-804 Test Fees In Global learning guide is limited and little.
Oracle 1Z0-804 Test Fees In Global - We guarantee you 100% certified.
When you decide to pass the 1Z0-804 Test Fees In Global exam and get relate certification, you must want to find a reliable exam tool to prepare for exam. That is the reason why I want to recommend our 1Z0-804 Test Fees In Global prep guide to you, because we believe this is what you have been looking for. Moreover we are committed to offer you with data protect act and guarantee you will not suffer from virus intrusion and information leakage after purchasing our 1Z0-804 Test Fees In Global guide torrent. The last but not least we have professional groups providing guidance in terms of download and installment remotely.
If you also have a IT dream, quickly put it into reality. Select Omgzlook's Oracle 1Z0-804 Test Fees In Global exam training materials, and it is absolutely trustworthy.
1Z0-804 PDF DEMO:
QUESTION NO: 1
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: 2
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: 3
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: 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 fragment: If thread a and thread b are running, but not completing, which two could be occurring?
A.livelock
B.deadlock
C.starvation
D.loose coupling
E.cohesion
Answer: A,B
Explanation:
A: A thread often acts in response to the action of another thread. If the other thread's action is also a response to the action of another thread, then livelock may result. A thread often acts in response to the action of another thread. If the other thread's action is also a response to the action of another thread, then livelock may result.
B: Deadlock describes a situation where two or more threads are blocked forever, waiting for each other.
Juniper JN0-214 - You may try it! SAP C-THR97-2405 - In fact, as long as you take the right approach, everything is possible. If you buy our IAPP CIPT test prep you will pass the exam easily and successfully，and you will realize you dream to find an ideal job and earn a high income. At the moment, you must not miss Omgzlook Palo Alto Networks PSE-Strata certification training materials which are your unique choice. However, our SAP C-THR96-2405 training materials can offer better condition than traditional practice materials and can be used effectively.
Updated: May 28, 2022