算术运算的应用

package javas;public class Arith_math {//创建类//    public static void main(String[] args) {//添加主函数//        // TODO Auto-generated method stub       int i_x=1;       int i_y=2;       int i_m=3,i_n=3;       int r_m,r_n;       float d_x=13.5f;       float d_y=3.0f;//定义变量//       System.out.println(i_x+"+"+i_y+"="+(i_x+i_y));       System.out.println(i_x+"*"+i_y+"="+(i_x*i_y));       System.out.println(i_x+"/"+i_y+"="+(i_x/i_y));       System.out.println(i_x+"%"+i_y+"="+(i_x%i_y));       System.out.println(d_x+"-"+d_y+"="+(d_x-d_y));       System.out.println(d_x+"*"+d_y+"="+(d_x*d_y));       System.out.println(d_x+"/"+d_y+"="+(d_x/d_y));       System.out.println(d_x+"%"+d_y+"="+(d_x%d_y));       System.out.println(d_x+"-"+d_y+"="+(d_x-d_y));//整形变量和单精度浮点形变量的运算//       r_m=++i_m;       r_n=i_n++;//整形变量的自增运算//       System.out.println("r_m=++i_m,r_m="+r_m+",i_m="+i_m);       System.out.println("r_n=++i_n,r_n="+r_n+",i_n="+i_n);//输出语句//    }}

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