public static void main ( String args [ ] ) {
  GFG obj = new GFG ( ) ;
  int a = 5 ;
  System . out . println ( "Circumference of " + "a square is " + obj . Circumference ( a ) ) ;
}

public static void main ( String args [ ] ) { GFG obj = new GFG ( ) ; int a = 5 ; System . out . println ( " Circumference ▁ of ▁ " + " a ▁ square ▁ is ▁ " + obj . Circumference ( a ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (string_literal) right: (string_literal)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))))))