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nick
arrays
1 Answer(s)      4 years and 3 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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