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int time = 1000;
Date begin = new Date();
ByteBuffer buffer = ByteBuffer.allocate(2*time);
for(int i=0;i<time;i++){
buffer.putChar('a');
}
buffer.flip();
for(int i=0;i<time;i++){
buffer.getChar();
}
Date end = new Date();
System.out.println(end.getTime()-begin.getTime());
begin = new Date();
ByteBuffer buffer2 = ByteBuffer.allocateDirect(2*time);
for(int i=0;i<time;i++){
buffer2.putChar('a');
}
buffer2.flip();
for(int i=0;i<time;i++){
buffer2.getChar();
}
end = new Date();
System.out.println(end.getTime()-begin.getTime());
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