public static void main ( String args [ ] ) {
  int [ ] arr = {
    1 , 5 , 7 , - 1 , 5 };
    int sum = 6 ;
    getPairsCount ( arr , sum ) ;
  }
  
public static void main ( String args [ ] ) { int [ ] arr = { 1 , 5 , 7 , - 1 , 5 } ; int sum = 6 ; getPairsCount ( arr , sum ) ; }
(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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (unary_expression operand: (decimal_integer_literal)) (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))