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Why is UTFDataFormatException thrown by DataOutputStream.writeUTF() when serializing a String?

serializing String thrown
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Why is UTFDataFormatException thrown by DataOutputStream.writeUTF() when serializing a String?

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DataOutputStream.writeUTF() does not support writing out strings larger than 64K. The first two bytes of a UTF string in the stream are the length of the string. If a java.lang.String can be larger than 64K, it needs to be stored in the stream by an alternative method rather than depending on the default method of storing a String in the stream, writeUTF.

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