jlab0302.java

计算机系学习java的专用ppt

class JLab0302{
                public static void main(String[] args){
                   float a=7.0f;
                   float b=3.0f;
                   System.out.println(a+b);
                   System.out.println(a-b);
                   System.out.println(a*b);
                   System.out.println(a/b);
                   System.out.println(a%b);
                   System.out.println(a++ +b);
                   System.out.println(++a+b);
                   System.out.println(a--*b);
                   System.out.println(--a*b);
                }
              }