java-day19_4

1、增强for循环：主要用于对数组或者集合进行循环

package struct;

public class ForDemo03 {
    public static void main(String[] args) {
        int[] numbers = {10,20,30,40,50}; //定义了一个数组

        for (int x:numbers){  //遍历数组，将值赋给x
            System.out.println(x);
        }
    }
}