Arrays common methods:
Package com.java.base3.Practice; Import java.util.Arrays; public class ArraysTest { public static void main (String [] args) { int [] = {ARR. 1, 2,. 3,. 4 }; int [] of arr1 {. 1 =,. 3, 2,. 4 }; // that Arrays.equals whether the two numbers are equal compare Boolean isEquals = that Arrays.equals (ARR, of arr1); ; System.out.println (isEquals) // of Arrays.toString information output array System.out.println (of Arrays.toString (of arr1)); // the specified value into the array filled Arrays.fill (ARR, 99 ); System.out.println (of Arrays.toString (ARR)); // quicksort Arrays.sort (of arr1); System.out.println (of Arrays.toString (of arr1)); // index location query int [] = {array2 10, 30, 50, 100, 256, 777, 787, 666 }; int index = Arrays.binarySearch (array2, 90 ); IF (index> = 0 ) { System.out.println ( "index position 50 is:" + index); } the else IF (index <0 ) { System.out.println ( "Sorry, this index is not within the location" ); } } }