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MANMOHAN SHARMA
C/C++/JAVA Question on function
2 Answer(s)      10 months ago
Posted in : Java Beginners


"Write a function to find out common alphabets between two arrays. Length of array is not

fixed and may contain other data type also.ΓΆβ?¬Β?

Question can be solved in C,C++ or JAVA.

(Recommneded - C++)


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June 5, 2013 at 10:15 AM


Hi friend,

To create a dynamic array in Java you may use java.util.ArrayList class. You can add the elements into dynamic array.

Try the following code may this will be helpful for you

import java.util.ArrayList;
import java.util.Iterator;

class ArrayListExample
{
   public static void main(String args[])
    {
          ArrayList list = new ArrayList();
          list.add("Deepak");
          list.add(1);
          list.add("Rose India");
          list.add(2);

         Iterator itr = list.iterator();
         while(itr.hasNext())
           {
                System.out.println(itr.next());
           }
    }   
}

Thanks.



June 7, 2013 at 5:38 PM


Difference between Java and C++

Introduction:

C++ was mainly designed for systems programming and Java was created initially to support network computing.

But today java is provides support for all purpose including internet, distributed system etc.

1.C++ supports pointers whereas Java does not pointers. But when many programmers questioned how you can work without pointers, the promoters began saying "Restricted pointers.? So we can say java supports Restricted pointers.

2.At compilation time Java Source code converts into byte code .The interpreter execute this byte code at run time and gives output .Java is interpreted for the most part and hence platform independent. C++ run and compile using compiler which converts source code into machine level languages so c++ is plate from dependents

3.Java is platform independent language but c++ is depends upon operating system machine etc.

4.Java uses compiler and interpreter both and in c++ their is only compiler 5.C++ supports operator overloading multiple inheritance but java does not.

6.C++ is more nearer to hardware then Java

7.Everything is an object in Java (Single root hierarchy as everything gets derived from java.lang.Object).

8.Java does is a similar to C++ but not have all the complicated aspects of C++ (ex: Pointers, templates, unions, operator overloading, structures etc..)

Java does not support conditional compile (#ifdef/#ifndef type).

9.Thread support is built-in Java but not in C++.

10.Internet support is built-in Java but not in C++.

11.Java does not support header file, include library files just like C++ .Java use import to include different Classes and methods.

12.Java does not support default arguments like C++.

13.There is no scope resolution operator ?:: ?in Java.

14.There is no "goto " statement in Java.

15.Exception and Auto Garbage Collector handling in Java is different because there are no destructors into Java.

16.Java has method overloading, but no operator overloading just like c++.

17.The String class does use the + and += operators to concatenate strings and String expressions use automatic type conversion,

18.Java support call by value only.

19.Java does not support unsigned integer.

From Pankaj Panday



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