( 18 )请阅读下面程序/. public class ForLoopStatement { public static void main ( String[] args ){ int I,j : for ( i=li<5i++ ){ //i 循环 for ( j=1j<=ij++ ) //j 循环 System.out.print ( i+' X '+j+ ” = +i*j+' ” ); System.out.println () } } } 程序完成后, i 循环和 j 循环执行的次数分别是