Friday, August 31, 2012

Insertion Sort Algorithmn in Java ?


public class InsertionSort {

public static void main(String a[]) {

int i;
int array[] = { 12, 9, 4, 99, 120, 1, 3, 10 };

System.out.println("Values Before the sort:\n");
for (i = 0; i < array.length; i++) {
System.out.print(array[i] + "  ");
}

System.out.println();

insertion_srt(array, array.length);

System.out.print("Values after the sort:\n");

for (i = 0; i < array.length; i++) {
System.out.print(array[i] + "  ");
}
}

public static void insertion_srt(int array[], int n) {
for (int i = 1; i < n; i++) {
int j = i;
int B = array[i];
while ((j > 0) && (array[j - 1] > B)) {
array[j] = array[j - 1];
j--;
}
array[j] = B;
}
}
}


Below is the output..

Values Before the sort:

12  9  4  99  120  1  3  10

Values after the sort:

1  3  4  9  10  12  99  120

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