61 lines
1.4 KiB
Java
61 lines
1.4 KiB
Java
package Sorts;
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import java.util.Arrays;
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import java.util.List;
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/**
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* The class contains util methods
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*
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* @author Podshivalov Nikita (https://github.com/nikitap492)
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*
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**/
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final class SortUtils {
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/**
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* Helper method for swapping places in array
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* @param array The array which elements we want to swap
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* @param idx index of the first element
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* @param idy index of the second element
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*/
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static <T> void swap(T[] array, int idx, int idy){
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T swap = array[idx];
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array[idx] = array[idy];
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array[idy] = swap;
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}
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/**
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* This method checks if first element is less then the other element
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* @param v first element
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* @param w second element
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* @return true if the first element is less then the second element
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*/
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static <T extends Comparable<T>> boolean less(T v, T w) {
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return v.compareTo(w) < 0;
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}
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/**
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* Just print list
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* @param toPrint - a list which should be printed
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*/
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static void print(List<?> toPrint){
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toPrint.stream()
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.map(Object::toString)
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.map(str -> str + " ")
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.forEach(System.out::print);
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System.out.println();
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}
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/**
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* Prints an array
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* @param toPrint - the array which should be printed
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*/
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static void print(Object[] toPrint){
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print(Arrays.asList(toPrint));
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}
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}
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