public static void main ( String [ ] args ) {
  System . out . println ( "First Test" ) ;
  char [ ] set1 = {
    'a' , 'b' };
    int k = 3 ;
    printAllKLength ( set1 , k ) ;
    System . out . println ( "\nSecond Test" ) ;
    char [ ] set2 = {
      'a' , 'b' , 'c' , 'd' };
      k = 1 ;
      printAllKLength ( set2 , k ) ;
    }
    
public static void main ( String [ ] args ) { System . out . println ( " First ▁ Test " ) ; char [ ] set1 = { ' a ' , ' b ' } ; int k = 3 ; printAllKLength ( set1 , k ) ; System . out . println ( " \n Second ▁ Test " ) ; char [ ] set2 = { ' a ' , ' b ' , ' c ' , ' d ' } ; k = 1 ; printAllKLength ( set2 , k ) ; }
(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 (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (character_literal) (character_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)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (character_literal) (character_literal) (character_literal) (character_literal)))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))