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Design - Interview Questions and Answers for 'Builder design pattern' - 2 question(s) found - Order By Newest

 Q1. Difference between Factory and Builder Design Pattern ?Design
Anonymous
Ans. Builder pattern is the extension of Factory pattern wherein the Builder class builds a complex object in multiple steps.

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   Like         Discuss         Correct / Improve     java   design pattern   factory design pattern   builder design pattern     Asked in 1 Companies      expert


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 What are the trade offs between public constructor and static final method ?


 Q2. Write code for the usage of Builder Design Pattern

Ans. http://javasearch.buggybread.com/CodeSnippets/searchCodeSamples.php?&category=code&searchOption&keyword=964

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   Like         Discuss         Correct / Improve     builder design pattern  builder pattern  code  coding      intermediate


Related Questions

  Which keyword is used to provide explicit access of a code block to single thread ?

a. Transient
b. Final
c. Explicit
d. Synchronized
  How does volatile affect code optimization by compiler?
 What is the difference between the following two code lines ?

1. new OuterClass().new InnerClass();

2. new OuterClass.InnerClass();
  Which String class does not override the equals() and hashCode() methods, inheriting them directly from class Object?
  If you are given a choice to implement the code to either Insert a Record or Update if already exist, Which approach will you follow ?
  How can we make sure that a code segment gets executed even in case of uncatched exceptions ?
  Will this code give error if i try to add two heterogeneous elements in the arraylist. ? and Why ?
 What is the difference between these two approaches of creating singleton Class ?

//Double Checked Locking Code
public static Singleton createInstance() {
   if(singleton == null){
      synchronized(Singleton.class) {
         if(singleton == null) {
            singleton = new Singleton();
         }
      }
   }
   return singleton;
}

//Single checked locking code
public static Singleton createInstance() {
   synchronized(Singleton.class) {
      if(singleton == null) {
         singleton = new Singleton();
      }
   }
   return singleton;
}
 What is the difference between following two segments of code

Code 1

int x = 4 * 3;
int y = x * 5;

Code 2

int y = 4 * 3 * 5;

 If arrays cannot be resized , Why is this code valid

String[] strArray = new String[2];
strArray = new String[5];



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