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

static void printMatrix ( int matrix [ ] [ ] , int n ) { for ( int i = 0 ; i < n ; ++ i ) { for ( int j = 0 ; j < n ; ++ j ) 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))) 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: (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: (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)))))))