| 2. 5. 13. << (Shift Left) |
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The shift left operator looks at the integer to the left of the operator as a 32-bit binary number. |
The number of positions specified by num2 shifts all the bits of num1 to the left. |
As the bits are shifted to the left, zeros are filled in on the right. |
Because the number can only be 32-bits long, the extra bits on the left are lost. |
The 32-bit binary result of the shifting operation is converted to an integer value and returned from the shift left operation. |
The result generated from the shift left operator can be quickly calculated by multiplying the number by 2 raised to the x power, where x is the number of positions shifted. |
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<html>
<script language="JavaScript">
<!--
// 2 = 00000000000000000000000000000010
// 8 = 00000000000000000000000000001000
x = 2 << 2;
document.write("2 << 2 = ",x);
-->
</script>
</html>
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