增强for循环

public class ForDemo{
	public static void main(String[] args){
		int[] numbers = {10,20,30,40,50};
		//遍历数组元素
		for(int x:numbers){
		System.out.println(x);
		
		}
	}

}

输出得到

10

20

30

40

50

等价于python的:for i in numbers