java求一个数组的最大值和最小值

求一个数组的最大值和最小值{89,56,45,78,12,3}

package pratice1;

import java.util.ArrayList;


public class arra {
	public static void main(String[] args) {
		int[]arr = {89,56,45,78,12,3}; 
		int max = 0;
		int min = 0;
		for (int i = 0; i < arr.length; i++) {
			max=arr[0];
			if(max<arr[i]) {
				max=arr[i];
			}
			min=arr[0];
			if(min>arr[i]) {
				min=arr[i];
			}
		}
		System.out.println("最大值"+max);
		System.out.println("最小值"+min);
	}
}