caloushu.java

计算一定区间的偶数之和。http://itzone.xsblog.com

/*计算一定区间间的偶数之和*/
public class CalOuShu{
	public static void main(String args[]){
		int max=10,min=1;
		System.out.println("OuShu(1-100)="+cal(min,max));		
	}

	public static int cal(int min,int max){
		int temp=((min+1)/2)*2;
		int sum=0;
		while(temp<=max){
			sum+=temp;
			temp+=2;
		}
		return sum;
	}
}