用do...while语句进行累加求和

public class java7_7 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
int sum=0,i=0;
do
{
	sum=sum+i;
	i++;
}
while(i<=10);
System.out.println("1到10的累加求和为:"+sum);
	}

}