54 lines
1.3 KiB
Java
54 lines
1.3 KiB
Java
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//: io/GetData.java
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// Getting different representations from a ByteBuffer
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import java.nio.*;
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import static net.mindview.util.Print.*;
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public class GetData {
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private static final int BSIZE = 1024;
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public static void main(String[] args) {
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ByteBuffer bb = ByteBuffer.allocate(BSIZE);
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// Allocation automatically zeroes the ByteBuffer:
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int i = 0;
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while(i++ < bb.limit())
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if(bb.get() != 0)
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print("nonzero");
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print("i = " + i);
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bb.rewind();
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// Store and read a char array:
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bb.asCharBuffer().put("Howdy!");
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char c;
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while((c = bb.getChar()) != 0)
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printnb(c + " ");
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print();
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bb.rewind();
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// Store and read a short:
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bb.asShortBuffer().put((short)471142);
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print(bb.getShort());
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bb.rewind();
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// Store and read an int:
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bb.asIntBuffer().put(99471142);
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print(bb.getInt());
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bb.rewind();
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// Store and read a long:
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bb.asLongBuffer().put(99471142);
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print(bb.getLong());
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bb.rewind();
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// Store and read a float:
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bb.asFloatBuffer().put(99471142);
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print(bb.getFloat());
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bb.rewind();
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// Store and read a double:
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bb.asDoubleBuffer().put(99471142);
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print(bb.getDouble());
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bb.rewind();
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}
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} /* Output:
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i = 1025
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H o w d y !
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12390
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99471142
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99471142
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9.9471144E7
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9.9471142E7
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*///:~
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