static void lower ( int matrix [ ] [ ] , int row , int col ) {
  int i , j ;
  for ( i = 0 ;
  i < row ;
  i ++ ) {
    for ( j = 0 ;
    j < col ;
    j ++ ) {
      if ( i < j ) {
        System . out . print ( "0" + " " ) ;
      }
      else System . out . print ( matrix [ i ] [ j ] + " " ) ;
    }
    System . out . println ( ) ;
  }
}

static void lower ( int matrix [ ] [ ] , int row , int col ) { int i , j ; for ( i = 0 ; i < row ; i ++ ) { for ( j = 0 ; j < col ; j ++ ) { if ( i < j ) { System . out . print ( "0" + " ▁ " ) ; } else System . out . print ( matrix [ i ] [ j ] + " ▁ " ) ; } System . out . println ( ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (string_literal)))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (string_literal)))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list)))))))