public static void main ( String [ ] args ) {
  a = 10 ;
  b = 20 ;
  c = 30 ;
  System . out . println ( "Before swapping a = " + a + ", b = " + b + ",c = " + c ) ;
  swapThree ( ) ;
  System . out . println ( "After swapping a = " + a + ", b = " + b + ", c = " + c ) ;
}

public static void main ( String [ ] args ) { a = 10 ; b = 20 ; c = 30 ; System . out . println ( " Before ▁ swapping ▁ a ▁ = ▁ " + a + " , ▁ b ▁ = ▁ " + b + " , c ▁ = ▁ " + c ) ; swapThree ( ) ; System . out . println ( " After ▁ swapping ▁ a ▁ = ▁ " + a + " , ▁ b ▁ = ▁ " + b + " , ▁ c ▁ = ▁ " + c ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (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: (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (identifier)) right: (string_literal)) right: (identifier)) right: (string_literal)) right: (identifier))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (identifier)) right: (string_literal)) right: (identifier)) right: (string_literal)) right: (identifier)))))))