Java版插入排序

/**
* author Akalius Kung 2008-2-9
**/
public class InsertionSort {

private int[] sort(int[] array){
for(int j=1;j<array.length;j++){
int swapLoc = j;  // init the location where to insert
for(int i=j-1;i>=0;i--){ // get the location where to insert
if(array[i]>array[j]){
swapLoc=i;
}
}
// backward the elems between swapLoc and j
int temp=array[j];
for(int k=j-1;k>=swapLoc;k--){
array[k+1]=array[k];
}
// swap the elem (swapLoc,j)
array[swapLoc]=temp;
}

return array;
}

public static void main(String[] args) {
int[] array={1,21,34,79,98,23,68,2,3,8,6,33,7,87,32,24,776};
InsertionSort insertionSort=new InsertionSort();
int[] result=insertionSort.sort(array);
for(int i=0;i<result.length;i++){
System.out.print(result[i]+" ");
}
}

}

评论

1 楼 xbmujfly 2008-12-24  

从效率上来讲，不如用Arrays.sort()！