calculatemark.java

有一个接口,用抽象类实现它的部分功能,再用实现类继承抽象类,实现其它没实现的接口方法

package cn.edu.csu.programmer;

public class CalculateMark{
  public static void main(String[] args){
//    System.out.println(12.0/0);
//	System.out.println((-5)%(-2));
/*
    int x = 0;
	while(true){
	  x=(x+1)%10;
	  System.out.println(x);
	}
  */

  /*
    int i = 0;
	i++;
	System.out.println(++i);
    System.out.println(i);
	System.out.println(i++);
    System.out.println(i);
  */

   /*
    int x=0,y=0;
	if(x != 0 && y==y/x){
	  System.out.println("短路运算");
	}
    */
	/*
	int i = -2;
	int j = 1;
    System.out.println(i&j);
	System.out.println(Integer.toBinaryString(i));
	System.out.println((-2)<<2);
	System.out.println((2)>>2);
	System.out.println((-2)>>2);
	System.out.println((-2)>>>2);
	System.out.println('a'>>1);
	System.out.println(8>>33);
    */
	/*
    int i = 10, j;
	j = i;
	i = 20;
	System.out.println(i + " , " + j);
    Temp t1 = new Temp();
	Temp t2 = t1;
	System.out.println(t1.hashCode());
	System.out.println(t2.hashCode());
	*/

	byte b = 1;
	int i = 2;
	//b+=i;
//	b = b+i;
	System.out.println(b);
    System.out.println(1>2?"1大于2":"1小于2");
  }
}
class Temp{
}