static void printMatrix ( float mat [ ] [ ] ) {
  for ( int i = 0 ;
  i < mat . length ;
  i ++ ) {
    for ( int j = 0 ;
    j < mat [ i ] . length ;
    j ++ ) System . out . print ( mat [ i ] [ j ] + "   " ) ;
    System . out . println ( ) ;
  }
}

static void printMatrix ( float mat [ ] [ ] ) { for ( int i = 0 ; i < mat . length ; i ++ ) { for ( int j = 0 ; j < mat [ i ] . length ; j ++ ) System . out . print ( mat [ i ] [ j ] + " ▁ ▁ ▁ " ) ; System . out . println ( ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (floating_point_type) name: (identifier) dimensions: (dimensions))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (field_access object: (array_access array: (identifier) index: (identifier)) field: (identifier))) update: (update_expression (identifier)) body: (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)))))))