class_docstr: Very simple serialization/deserialization schema for strings. By default, the serializer uses
  'UTF-8' for string/byte conversion.
code: def __init__(self, charset: str = "UTF-8"):
      gate_way = get_gateway()
      j_char_set = gate_way.jvm.java.nio.charset.Charset.forName(
          charset
      )
      j_simple_string_serialization_schema = gate_way.jvm.org.apache.flink.api.common.serialization.SimpleStringSchema(
          j_char_set
      )
      SerializationSchema.__init__(
          self,
          j_serialization_schema=j_simple_string_serialization_schema,
      )
      DeserializationSchema.__init__(
          self,
          j_deserialization_schema=j_simple_string_serialization_schema,
      )
  
imports: from pyflink.common.utils import JavaObjectWrapper
  from pyflink.java_gateway import get_gateway
label_desc: Use image node_id 1 to create a new SimpleStringSchema object from inherited base classes: SerializationSchema, DeserializationSchema with example: obj = SimpleStringSchema(charset)