# Problems with quick sorting

Source: Internet
Author: User

Yesterday I looked at the quick sorting, "algorithm" this book gives the realization of the sense of understanding is not very intuitive, so I combined with other books to write a fast algorithm. But there is no way to run the results, it seems that eclipse has been running, must kill the process to be able. I just learned is not very understanding, first put out the code, I hope someone can give advice.

`1  PackageJava;2 3  Public classquicksort1{4     5      Public Static voidQuickSort (int[] a) {6QuickSort (A, 0, a.length-1);7     }8     Private Static voidQuickSort (int[] A,intFirstintLast ) {9         if(First <Last ) {     Ten             intPivotindex =partition (A, first, last); OneQuickSort (A, first, pivotIndex-1); AQuickSort (A, Pivotindex + 1, last); -         } -     } the      -     Private Static intPartitionint[] A,intFirstintLast ) { -      -         intLow = first + 1; +         intHigh =Last ; -         intPivot =A[first]; +          A          while(true){ at              while(A[low] <= pivot && Low <Last ); -low++; -              while(A[high] >= pivot && High >First ); -high--; -             if(Low >=High ) -                  Break; in             inttemp =A[low]; -A[low] =A[high]; toA[high] =temp; +         } -A[first] =A[high]; theA[high] =pivot; *         returnHigh ; \$     }Panax Notoginseng      -     Private Static voidShowint[] a) { the          for(inti = 0; i < a.length; i++) +System.out.print (A[i] + ""); A System.out.println (); the     } +      -      Public Static voidMain (string[] args) { \$         int[] A ={30, 1, 23, 232, 7, 10, 90, 17, 8}; \$ QuickSort (a); - Show (a); -     } the}`

Problems with quick sorting

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