/javase/21/docs/api/java.base/java/io/ObjectInputStream.html#readUnshared()" title="class or interface in java.io" class="external-link">readUnshared</a>, <a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/ObjectInputStream.html#readUnsignedByte()" title="class or interface in java.io" class="external-link">readUnsignedByte</a>, <a href="https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/io/ObjectInputStream.html#readUnsignedShort()" title="class or interface in jav