Array Transposition

import java.io.BufferedReader;

import java.io.InputStreamReader;

/**

* Declare two arrays of 5 nos each. the third array should contain 10 nos.

* Populate the first two arrays. transfer the contents of the first array

* into the odd positions of the third array and the contents of the second array

* to the even positions of the third array

*/

public class ArrayPopulation

{

/**

* displays the content of two arrays and resultant array in which

* the resultant array stores the content of first array in odd position and

* content of second array in even posion.

* @throws Exception

*/

public static void arrayPopulation() throws Exception

{

// source arrays

final int[] intFirstArray={1,3,5,7,9};

final int[] intSecondArray={0,2,4,6,8};

// resultant array

final int[] intResultArray=new int[10];

// initialize each element of resultArray with 0

for(int i=0;i<intFirstArray.length;i++)

{

intResultArray[(i*2)]=intSecondArray[i];

intResultArray[(i*2)+1]=intFirstArray[i];

}

for(int k=0;k<3;k++)

{

if(k==0)

System.out.println("\nContent of first array is : ");

else if(k==1)

System.out.println("\nContent of second array is : ");

else if(k==2)

System.out.println("\nContent of resultant array is : ");

for(int i=0;i<intFirstArray.length;i++)

{

switch(k)

{

case 0:

System.out.println("firstArray[" + i +"] = " + intFirstArray[i]);

break;

case 1:

System.out.println("secondArray[" + i +"] = " + intSecondArray[i]);

break;

case 2:

System.out.println("resultArray[" + (i*2) +"] = " + intResultArray[(i*2)]);

System.out.println("resultArray[" + ((i*2)+1) +"] = " + intResultArray[(i*2)+1]);

break;

}

}

}

}

/**

* excecution begin from here

* @param args

*/

public static void main(String[] args)

{

try

{

arrayPopulation();

}

catch(Exception e)

{

System.out.println("Error occured!!");

}

}

}