Commit a7909fa

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Created method to swap cheapest items to the left side and most expensive to the right side of the pivot

1 parent 585e970 commit a7909faCopy full SHA for a7909fa

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+18

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src/main/java/br/com/zevolution/algorithms/sorting/quicksort
- QuickSort.java

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+18

-4

lines changed

`‎src/main/java/br/com/zevolution/algorithms/sorting/quicksort/QuickSort.java`

Lines changed: 18 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,7 @@`
`1`	`1`	`package br.com.zevolution.algorithms.sorting.quicksort;`
`2`	`2`
	`3`	`+import java.util.Arrays;`
	`4`	`+`
`3`	`5`	`import br.com.zevolution.algorithms.sorting.Product;`
`4`	`6`
`5`	`7`	`public class QuickSort {`
`@@ -14,22 +16,34 @@ public static void main(String[] args) {`
`14`	`16`	`new Product("Notebook", 3500)`
`15`	`17`	`};`
`16`	`18`
`17`		`- getCheapests(products, products.length);`
	`19`	`+ int cheapests = getCheapests(products, products.length);`
	`20`	`+ System.out.println(String.format("There are %d cheaper products.", cheapests));`
`18`	`21`
	`22`	`+ System.out.println(Arrays.toString(products));`
`19`	`23`	`}`
`20`	`24`
`21`		`- private static void getCheapests(Product[] products, int length) {`
	`25`	`+ private static int getCheapests(Product[] products, int length) {`
`22`	`26`	`int cheapest = 0;`
`23`	`27`
	`28`	`+ Product pivotProduct = products[length - 1];`
`24`	`29`	`for (int current = 0; current < length - 1; current++) {`
`25`	`30`	`Product currentProduct = products[current];`
`26`		`- if (currentProduct.getPrice() < products[length - 1].getPrice()) {`
	`31`	`+ if (currentProduct.getPrice() < pivotProduct.getPrice()) {`
	`32`	`+ swap(products, current, cheapest);`
`27`	`33`	`cheapest++;`
`28`	`34`	`}`
`29`	`35`	`}`
`30`	`36`
`31`		`- System.out.println(String.format("There are %d cheaper products.", cheapest));`
	`37`	`+ swap(products, length - 1, cheapest);`
`32`	`38`
	`39`	`+ return cheapest;`
	`40`	`+ }`
	`41`	`+`
	`42`	`+ private static void swap(Product[] products, int from, int to) {`
	`43`	`+ Product productFrom = products[from];`
	`44`	`+ Product productTo = products[to];`
	`45`	`+ products[from] = productTo;`
	`46`	`+ products[to] = productFrom;`
`33`	`47`	`}`
`34`	`48`
`35`	`49`	`}`

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`‎src/main/java/br/com/zevolution/algorithms/sorting/quicksort/QuickSort.java`

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