| Name | Type | Parent | Since | Detail |
| String | Class | java.lang.Object | 1.0 | Link |
| StringBuffer | Class | java.lang.Object | 1.5 | Link |
| StringBufferInputStream | Class | java.io.InputStream | 1.0 | Link |
| StringBuilder | Class | java.lang.Object | 1.5 | Link |
| StringIndexOutOfBoundsException | Class | IndexOutOfBoundsException | 1.0 | Link |
| StringJoiner | Class | java.lang.Object | 1.8 | Link |
| StringReader | Class | java.io.Reader | 1.1 | Link |
| StringSelection | Class | java.lang.Object | Link | |
| StringTokenizer | Class | java.lang.Object | Link | |
| StringWriter | Class | java.io.Writer | 1.1 | Link |
