Suppose that you would like to create an instance of a new Map that has an iteration order that is the same as the iteration order of an existing instance of a Map. Which concrete implementation of the Map interface should be used for the new instance? A. TreeMap B. HashMap C. LinkedHashMap D. The answer depends on the implementation of the existing instance.

Asked by Srikanth Bala 09/02/2015 Last Modified 05/10/2025

15 Answers

Learn Java

Follow 0

Answer

View 13 more Answers

Related Questions

What is the difference between a C program execution and a Java program execution?

When we compile C program then it convert into exe file ie Machine language with the help of OS lib file which is platform dependent . If we compile java prgram then it convert into class file with the...

Kaushal

0 0

Is it possible to learn java at home without coaching in one month?

It all depends on you. If you are already aware of programming then it is definetly possible to learn java at home. But if learn through a tutor then you can learn easily.

Pritom

0 0

class HappyGarbage01 { public static void main(String args[]) { HappyGarbage01 h = new HappyGarbage01(); h.methodA(); /* Line 6 */ } Object methodA() { Object obj1 = new Object(); Object [] obj2 = new Object[1]; obj2[0] = obj1; obj1 = null; return obj2[0]; } } Where will be the most chance of the garbage collector being invoked? A. After line 9 B. After line 10 C. After line 11 D. Garbage collector never invoked in methodA()

Hello Shrikant who told you that you can explicity call garbage collector. You cann't call gc explicity even when you use System.gc() it is not guranteed that gc will be invoked it is all up to JVM when...

Srikanth

0 0

What exactly the work of constructor( default, parameterized) especially about instance variables initialization. Suppose user initialize the instance variables explicitly. Then what is the use of parameterized constructor over here.. Please reply me

Constructor is used to initialize an object at the time of creation. A default constructor is provided by the compiler itself if no constructor is provided by the user. It initializes the state of the...

Surekha

2 0

Does Java support pointers?

Yes and no. . The pointer model is of course supported by Java. But it has become much easier to the developer to handle it. Because Java exposes the concept of pointer in terms of reference variables...

Santosh

0 0

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Companies are looking for Skilled Freshers. So build your technical skills while doing MCA / BTech / BCA / BSc (IT or CS) into below areas- 1. Strong your programming & debugging skills ...

Amit K.

0 0

Java Advantages

In this video, learn about Java and its advantages. Also, check out the difference between Java and C++, Java development kit, Java Run Time Environment (JRE) with a proper demonstration program for better clarity.

Ranjit Singh

0 0

JAVA - Object Cloning

JAVA - Object Cloning Is the way of creating the same copy of object without calling the class constructor. It means we can make any class object multiple times without calling its default constructor....

Gaurav Kothari

1 0

Java8 Filters and collectors

Lets say we have collection of strings and we would like to filter (remove) out certain strings from collection. We could achive the same in java 7 and earlier versions import java.util.ArrayList; import...

Shiva Kumar

0 0

Method Overloading vs Method Overriding

1. Method Overloading: Method overloading means a same method with same name can have different implementations/body by changing one of the follwing thing: 1) Number of Parameters 2) Order of Parameters 3)...

Md Ajmat

0 0

Recommended Articles

Why Should You Learn Java !

Java is the most famous programming language till date. 20 years is a big time for any programming language to survive and gain strength. Java has been proved to be one of the most reliable programming languages for networked computers. source:techcentral.com Java was developed to pertain over the Internet. Over...

Read full article >

Some Popular IT Courses in Current Market

In the domain of Information Technology, there is always a lot to learn and implement. However, some technologies have a relatively higher demand than the rest of the others. So here are some popular IT courses for the present and upcoming future: Cloud Computing Cloud Computing is a computing technique which is used...

Read full article >

Top 5 Reasons to Learn JavaScript

Before we start on the importance of learning JavaScript, let’s start with a short introduction on the topic. JavaScript is the most popular programming language in the world, precisely it is the language - for Computers, the Web, Servers, Smart Phone, Laptops, Mobiles, Tablets and more. And if you are a beginner or planning...

Read full article >

Why Java is the Most Popular Programming Language

Designed in a flexible and user-friendly demeanor, Java is the most commonly used programming language for the creation of web applications and platform. It allows developers to “write once, run anywhere” (WORA). It is general-purpose, a high-level programming language developed by Sun Microsystem. Initially known as an...

Read full article >

Find Java Certification near you

Java Certification in Bangalore

Java Certification in Hyderabad

Java Certification in Pune

Java Certification in Chennai

Java Certification in Delhi

Java Certification in Mumbai

Java Certification in Kolkata

Java Certification in Noida

Java Certification in Gurgaon

Java Certification in Ghaziabad

Online Java Training

Looking for Java Training Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you

I am a Student I am a Tutor
Name*	Please enter your full name. Please enter institute name.
Email*	Please enter your email address.
Phone*	Please enter a valid phone number.
Location*	Please enter a pincode or area name.
City*	Please enter city name.
Category*	Please enter category.
Gender*	Male Female Please select your gender.
Email ID/ Mobile No.*	Please enter either mobile no. or email.
Enter Password*	Please enter OTP Please enter Password Sorry, this phone number is not verified, Please login with your email Id.

Looking for Java Training Classes?

Learn Java Training with the Best Tutors