The difference between & and &&
1. && is not satisfied as long as one condition is different. If the first condition is not satisfied, the subsequent conditions will not be judged. . And & needs to judge all conditions.
Differences in concepts
2. && has the function of short circuit, & can be used as a bit operator.
&& has a short-circuit function, that is, if the first expression is false, the second expression will no longer be evaluated.
& can be used as a bit operator. When the expressions on both sides of the "&" operator are not of boolean type, "&" represents a bitwise AND operation. We usually use 0x0f to perform the & operation with an integer. To get the lowest 4 bits of the integer.
Example
public class demo02{
public static void main(String[] args) {
int i=1;
if(iThe above is the detailed content of What is the difference between & and && in Java?. For more information, please follow other related articles on the PHP Chinese website!
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