Public class Ex2_4_2

{

    Public static void main(String args[])

    {

        For (int i=1; i<=5; i++)    //声明并初始化循环变量i，设置循环终值i<=5

        {    System. out:tpt(+");

            //执行循环体，输出i的值

        }

        System.out. printIn();

    }

}