private static void tests ( ) {
  System . out . println ( solve ( ex1 ) ) ;
  System . out . println ( solve ( ex2 ) ) ;
  System . out . println ( solve ( ex3 ) ) ;
}

private static void tests ( ) { System . out . println ( solve ( ex1 ) ) ; System . out . println ( solve ( ex2 ) ) ; System . out . println ( solve ( ex3 ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier))))))))