[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Class TestableByteArrayOutputStream (2.0.0)\n\nVersion latestkeyboard_arrow_down\n\n- [2.0.0 (latest)](/java/docs/reference/google-http-client/latest/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.47.1](/java/docs/reference/google-http-client/1.47.1/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.46.3](/java/docs/reference/google-http-client/1.46.3/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.45.3](/java/docs/reference/google-http-client/1.45.3/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.44.2](/java/docs/reference/google-http-client/1.44.2/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.43.2](/java/docs/reference/google-http-client/1.43.2/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.42.3](/java/docs/reference/google-http-client/1.42.3/com.google.api.client.testing.util.TestableByteArrayOutputStream)\n- [1.41.8](/java/docs/reference/google-http-client/1.41.8/com.google.api.client.testing.util.TestableByteArrayOutputStream) \n\n public class TestableByteArrayOutputStream extends ByteArrayOutputStream\n\n[Beta](/java/docs/reference/google-http-client/latest/com.google.api.client.util.Beta) \n\nTestable extension for a byte array output stream. \n\nInheritance\n-----------\n\n[java.lang.Object](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html) \\\u003e [java.io.OutputStream](https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html) \\\u003e [ByteArrayOutputStream](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html) \\\u003e TestableByteArrayOutputStream \n\nInherited Members\n-----------------\n\n[ByteArrayOutputStream.close()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#close--) \n[ByteArrayOutputStream.reset()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#reset--) \n[ByteArrayOutputStream.size()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#size--) \n[ByteArrayOutputStream.toByteArray()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#toByteArray--) \n[ByteArrayOutputStream.toString()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#toString--) \n[ByteArrayOutputStream.toString(int)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#toString-int-) \n[ByteArrayOutputStream.toString(String)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#toString-java.lang.String-) \n[ByteArrayOutputStream.toString(Charset)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#toString-java.nio.charset.Charset-) \n[ByteArrayOutputStream.write(byte\\[\\],int,int)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#write-byte[]-int-int-) \n[ByteArrayOutputStream.write(int)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#write-int-) \n[ByteArrayOutputStream.writeBytes(byte\\[\\])](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#writeBytes-byte[]-) \n[ByteArrayOutputStream.writeTo(OutputStream)](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#writeTo-java.io.OutputStream-) \n[OutputStream.flush()](https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html#flush--) \n[OutputStream.nullOutputStream()](https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html#nullOutputStream--) \n[OutputStream.write(byte\\[\\])](https://docs.oracle.com/javase/8/docs/api/java/io/OutputStream.html#write-byte[]-) \n[Object.clone()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#clone--) \n[Object.equals(Object)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#equals-java.lang.Object-) \n[Object.finalize()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#finalize--) \n[Object.getClass()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#getClass--) \n[Object.hashCode()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#hashCode--) \n[Object.notify()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notify--) \n[Object.notifyAll()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#notifyAll--) \n[Object.wait()](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait--) \n[Object.wait(long)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-) \n[Object.wait(long,int)](https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html#wait-long-int-)\n\nConstructors\n------------\n\n### TestableByteArrayOutputStream()\n\n public TestableByteArrayOutputStream()\n\nMethods\n-------\n\n### close()\n\n public void close()\n\nOverriding is supported, but overriding method must call the super implementation.\n**Overrides** \n[ByteArrayOutputStream.close()](https://docs.oracle.com/javase/8/docs/api/java/io/ByteArrayOutputStream.html#close--)\n\n### getBuffer()\n\n public final byte[] getBuffer()\n\nReturns the written buffer value as a modifiable byte array.\n\n### isClosed()\n\n public final boolean isClosed()\n\nReturns whether the output stream has been closed."]]
