jlab0302.java

java教程中的编程实例

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);
}
}