heap sort in java
plz modify this program so that it can take input as integers and string both.....
public class heap_Sort{
public static void main(String a[]){
int i;
int arr[] = {1,3,4,5,2};
System.out.println("\n Heap Sort\n---------------\n");
System.out.println("\n Unsorted Array\n\n");
for (i = 0; i < arr.length; i++)
System.out.print(" "+arr[i]);
for(i=arr.length; i>1; i--){
fnSortHeap(arr, i - 1);
}
System.out.println("\n Sorted array\n---------------\n");
for (i = 0; i < arr.length; i++)
System.out.print(" "+arr[i]);
}
public static void fnSortHeap(int array[], int arr_ubound){
int i, o;
int lChild, rChild, mChild, root, temp;
root = (arr_ubound-1)/2;
for(o = root; o >= 0; o--){
for(i=root;i>=0;i--){
lChild = (2*i)+1;
rChild = (2*i)+2;
if((lChild <= arr_ubound) && (rChild <= arr_ubound)){
if(array[rChild] >= array[lChild])
mChild = rChild;
else
mChild = lChild;
}
else{
if(rChild > arr_ubound)
mChild = lChild;
else
mChild = rChild;
}
if(array[i] < array[mChild]){
temp = array[i];
array[i] = array[mChild];
array[mChild] = temp;
}
}
}
temp = array[0];
array[0] = array[arr_ubound];
array[arr_ubound] = temp;
return;
}
}
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