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nick
arrays
1 Answer(s)      a year and 11 months ago
Posted in : Java Beginners


can anyone help me out with this two programs plz?? in a main class ,create an array {4,34,5,3,6,8,1} remove 3 and 5th element and shift following left and adding zero at the end of array... another one is to search a numeric value nd search it plzz...


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January 2, 2013 at 3:58 PM


hi nick, I hope this example will helpful for you. The sample code given below is for removing the elements from the given list of array.

public class JavaRemoveArrayElementExample {    

    public static void main(String args[])
    {
        int num[]= {4,34,5,3,6,8,1};
        int tempArray[]= new int[num.length];
        int tempArray1[]= new int[num.length-3];
        int tempArray2[]= new int[num.length-5];
        int tempArray1And2[] = new int[(tempArray1.length+
                tempArray1.length)-2];
        int tempArray3[] = new int[tempArray1And2.length-3];
        int tempArray4[] = new int[tempArray1And2.length-4];
        int tempArray3And4[] = new int[tempArray3.length+
                                       tempArray4.length];

        System.arraycopy(num, 0, tempArray, 0, num.length);
        //Removing 3rd position element from original array
        System.arraycopy(num, 0, tempArray2, 0, num.length-5);
        System.arraycopy(tempArray, 3, tempArray1, 0, 
                tempArray.length-3);

        System.out.println("Array list after removing 3rd " +
                "position \n element from the original array list");
        for(int i=0; i<tempArray2.length; i++)
        {
            System.out.println(tempArray2[i]);              
        }                   

        for(int i=0; i<tempArray1.length; i++)
        {
            System.out.println(tempArray1[i]);              
        }
        //Merging array list tempArray2 and tempArray1
        System.arraycopy(tempArray2, 0, tempArray1And2, 
                0, tempArray2.length);
        System.arraycopy(tempArray1, 0, tempArray1And2, 
                tempArray2.length, tempArray1.length);

        System.out.println("List after merge");
        for(int i =0; i<tempArray1And2.length; i++)
        {
            System.out.println(tempArray1And2[i]);
        }
        //Removing 5th position element from original array
        System.arraycopy(tempArray1And2, 0, tempArray3, 0, 
                tempArray1And2.length-3);
        System.arraycopy(tempArray1And2, 4, tempArray4, 0, 
                tempArray1And2.length-4);

        System.out.println("Array list after removing " +
                "5th position \n element from the original list");
        for(int i=0; i<tempArray3.length; i++)
        {
            System.out.println(tempArray3[i]);              
        }                   

        for(int i=0; i<tempArray4.length; i++)
        {
            System.out.println(tempArray4[i]);              
        }
        //Merging array list tempArray3 and tempArray4
        System.arraycopy(tempArray3, 0, tempArray3And4, 0, 
                tempArray3.length);
        System.arraycopy(tempArray4, 0, tempArray3And4, 
                tempArray3.length, tempArray4.length);
        System.out.println("Final array list after removing 3rd " +
                "\n and 5th position elements from the original list");
        for(int i = 0; i <tempArray3And4.length; i++)
        {
            System.out.println(tempArray3And4[i]);
        }
    }
}


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