@@ -0,0 +1,483 @@
+package com.java.hello;%0A%0Apublic class Solutions %7B%0A%09public void multi_9_9()%7B%0A%09%09for( int i = 1; i %3C 10; i++ )%7B%0A%09%09%09for( int j = i; j %3C 10 ; j++ )%7B%0A%09%09%09%09System.out.print( i + %22*%22 + j + %22=%22 + i * j + %22 %22 );%0A%09%09%09%7D%0A%09%09%09System.out.println( %22%22);%0A%09%09%7D%0A%09%09%0A%09%09return ;%0A%09%7D%0A%09%0A%09public int factorial( int n )%7B%0A%09%09if( n == 1 )%7B%0A%09%09%09return 1; %0A%09%09%7D %0A%09%09return n * factorial(n - 1);%0A%09%7D%0A%09%0A%09public int factorialItr( int n  )%7B%0A%09%09int ret = 1;%0A%09%09for( int i = 2; i %3C= n; i++ )%7B%0A%09%09%09ret *= i;%0A%09%09%7D%0A%09%09%0A%09%09return ret;%0A%09%7D%0A%7D%0A

Create factorial.itr.java