Java ByteArrayInputStream Tutorial
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ByteArrayInputStream is a subclass of InputStream. True to the name, ByteArrayInputStream used to read a byte array by way of a InputStream.
- TODO Link!
- TODO Link!
- TODO Link!
- TODO Link!
ByteArrayInputStream constructors
ByteArrayInputStream(byte[] buf) ByteArrayInputStream(byte[] buf, int offset, int length)
The ByteArrayInputStream(byte[] buf) constructor creates a ByteArrayInputStream object to read a byte array.
ByteArrayInputStream(byte[] buf, int offset, int length) constructor creates a ByteArrayInputStream object to read a byte array from index offset to offset+length.
All methods of ByteArrayInputStream are inherited from InputStream.
Methods
int available() void close() void mark(int readAheadLimit) boolean markSupported() int read() int read(byte[] b, int off, int len) void reset() long skip(long n)
Example: Reading a byte array in the manner of an InputStream:
ByteArrayInputStreamEx1.java
package org.o7planning.bytearrayinputstream.ex;
import java.io.ByteArrayInputStream;
import java.io.IOException;
public class ByteArrayInputStreamEx1 {
public static void main(String[] args) throws IOException {
byte[] byteArray = new byte[] {84, 104, 105, 115, 32, 105, 115, 32, 116, 101, 120, 116};
ByteArrayInputStream is = new ByteArrayInputStream(byteArray);
int b;
while((b = is.read()) != -1) {
// Convert byte to character.
char ch = (char) b;
System.out.println(b + " --> " + ch);
}
}
}
Output:
84 --> T 104 --> h 105 --> i 115 --> s 32 --> 105 --> i 115 --> s 32 --> 116 --> t 101 --> e 120 --> x 116 --> t
Basically, all ByteArrayInputStream's methods are inherited from InputStream, so you can find more examples of how to use these methods in the article below:
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