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31 changes: 31 additions & 0 deletions src/practices/practice_7/task/task_1.java
Original file line number Diff line number Diff line change
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package practices.practice_7.task;

import java.util.Arrays;

public class task_1 {

public static void main(String[] args) {

int[] a = {5, 3, 1, 4, 2};
int[] b = {1, 2, 3, 4, 5};

// toString массив в строку
System.out.println(Arrays.toString(a));

// sort cортировка массива по возрастанию
Arrays.sort(a);
System.out.println(Arrays.toString(a));

// binarySearch поиск элемента в отсортированном массиве и возвращает индекс элемента
int index = Arrays.binarySearch(a, 3);
System.out.println(index);

// equals сравнение массивов по элементам
boolean isEqual = Arrays.equals(a, b);
System.out.println(isEqual);

// compare сравнение массивов 0(равны) -1(первый меньше) 1(первый больше)
int compareResult = Arrays.compare(a, b);
System.out.println(compareResult);
}
}