**Contents**show

## What is use of left shift?

The left shift operator ( the first operand the specified number of bits to the left. Excess bits shifted off to the left are discarded. Zero bits are shifted in from the right.

## What is the effect of a left shift?

Shifting left by n bits on a signed or unsigned binary number has the **effect of multiplying it by 2 ^{n}**.

## What is the use of shift operator in Java?

A shift operator **performs bit manipulation on data by shifting the bits of its first operand right or left**. The next table summarizes the shift operators available in the Java programming language. Each operator shifts the bits of the first operand over by the number of positions indicated by the second operand.

## What is use of left and right shift?

The bitwise shift operators move the bit values of a binary object. The left operand **specifies the value to be shifted**. The right operand specifies the number of positions that the bits in the value are to be shifted. Each operand must have an integral or enumeration type. …

## What is XOR equal to?

XOR represents **the inequality function**, i.e., the output is true if the inputs are not alike otherwise the output is false. A way to remember XOR is “must have one or the other but not both”. XOR can also be viewed as addition modulo 2.

…

XOR gate.

Input | Output | |
---|---|---|

1 | 1 |

## How is XOR calculated?

To find each bit of XOR just **calculate number of 1’s in the corresponding bits**. If it is even or zero then that XOR’ed bit is 0. If it is odd then that XOR’ed bit is 1.

## Is left shift faster than multiplication?

**Shifting bits left and right is apparently faster than multiplication and division operations on most**, maybe even all, CPUs if you happen to be using a power of 2. However, it can reduce the clarity of code for some readers and some algorithms.

## How does shift left work?

When shifting left, **the most-significant bit is lost, and a 0 bit is inserted on the other end**. The left shift operator is usually written as “What is the most important feature of Java?

The most significant feature of Java is that it **provides platform independence which leads to** a facility of portability, which ultimately becomes its biggest strength. Being platform-independent means a program compiled on one machine can be executed on any machine in the world without any change.

## What is true for left shift operator?

Left shift operator **shifts the bits of the number towards left a specified number of positions**. The symbol for this operator is