技術標籤：java

java中的Arrays工具類

1.isequals
2.toString
3.sort
4.bindSearch

public class ArraysTest {
	
	
	public static void main(String[] args) {
		int[] arr1 = new int[] {1,2,3,4};
		int[] arr2 = new int[] {1,3,2,4};
		
		boolean isEqule = Arrays.equals(arr1, arr2);
		System.out.println(isEqule);
		
		
		System.out.println(Arrays.toString(arr1));
		Arrays.sort(arr2);
		System.out.println(Arrays.toString(arr2));
		
		
		int[] a = new int[] {1,2,3,4,5,6,7,8,9,0};
		
		int index = Arrays.binarySearch(a, 9);
		
		System.out.println(index);
		
		
		
	}

}