What is Different between && and & in java?

Answer 1

&& is logical operator
& is bitwise operator

edit:
hope these helps..
https://www.sololearn.com/discuss/449238/?ref=app
https://www.sololearn.com/discuss/2431376/?ref=app
https://www.sololearn.com/discuss/271619/?ref=app

Answer 2

&& -> Logical AND returns True or False
& -> Boolean AND returns a number

example:

1. 5>0 && 6<4 will return False

2. 5&4 will return 4

How? Convert to binary first and perform bitwise AND

1 0 1 (5)
1 0 0 (4)
--------
1 0 0 (4)
--------