OnJava8-Examples/io/IntBufferDemo.java
2015-04-20 15:36:01 -07:00

32 lines
698 B
Java

//: io/IntBufferDemo.java
// Manipulating ints in a ByteBuffer with an IntBuffer
import java.nio.*;
public class IntBufferDemo {
private static final int BSIZE = 1024;
public static void main(String[] args) {
ByteBuffer bb = ByteBuffer.allocate(BSIZE);
IntBuffer ib = bb.asIntBuffer();
// Store an array of int:
ib.put(new int[]{ 11, 42, 47, 99, 143, 811, 1016 });
// Absolute location read and write:
System.out.println(ib.get(3));
ib.put(3, 1811);
// Setting a new limit before rewinding the buffer.
ib.flip();
while(ib.hasRemaining()) {
int i = ib.get();
System.out.println(i);
}
}
} /* Output:
99
11
42
47
1811
143
811
1016
*///:~