mul

 public class mul
 {
        
        public static void main(String[] args)
        {
            
            for ( int i=0; i< 13; i++ ) {
                if ( i == 0 ) 
                {
                    System.out.println( "x | 1\t2\t3\t4\t5\t6\t7\t8\t9" );
                    System.out.println( "==+==================================================" );
                }
                System.out.print( i + " | " );
                for ( int n=1; n< 10; n++ ) 
                {
                    
                    System.out.print( i*n+ "\t" );
                }
                System.out.print("\n");
            }
            
        }
    }
    
    
Picture of the output