public static void SubString ( String str , int n ) {
  for ( int i = 0 ;
  i < n ;
  i ++ ) for ( int j = i + 1 ;
  j <= n ;
  j ++ ) System . out . println ( str . substring ( i , j ) ) ;
}

public static void SubString ( String str , int n ) { for ( int i = 0 ; i < n ; i ++ ) for ( int j = i + 1 ; j <= n ; j ++ ) System . out . println ( str . substring ( i , j ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))))))))