5-1.txt

来自「jsp常用实例讲解」· 文本 代码 · 共 27 行

public class Sum{
public static void main( String args[] ){
System.out.println("\n** while statement **");
int n=10,sum=0; //initialization
while( n＞0 ){ //termination
sum+=n; //body
n--; //iteration
}
System.out.println("sum is "+sum);
System.out.println("\n** do_while statement **");
n=0; //initialization
sum=0;
do{
sum+=n; //body
n++; //iteration
}while( n＜=10 ); //termination
System.out.println("sum is "+sum);
System.out.println("\n** for statement **");
sum=0;
for( int i=1; i＜=10; i++){
//initialization,termination,iteration
sum+=i;
}
System.out.println("sum is "+sum);
}
}