jsp新代码第83课

new83.java

package pack01;

public class new83
{
  private int a;
  private int b;
  public int getA()
  {
    return a;
  }
  public void setA(int a)
  {
    this.a = a;
  }
  public int getB()
  {
    return b;
  }
  public void setB(int b)
  {
    this.b = b;
  }
  
  public int sum()
  {
    int temp = 0;
    int total = 0;
    if(a > b)
    {
      temp = a;
      a = b;
      b = temp;
    }
    
    int x = a;
    while ( x <= b )
    {
      total +=x;
      x++;
    }
    return total;
  }
}