How-to articles, tricks, and solutions about BOOLEAN-LOGIC

Check whether a String is not Null and not Empty

To check if a string is not null and not empty in Java, you can use the length() method of the java.lang.String class to check if the string is empty, and the != operator to check if the string is not null. Here is an example of how you can do this:

java string conditional-statements string-comparison boolean-logic

How to test multiple variables for equality against a single value?

In Python, you can test multiple variables for equality against a single value using the == operator.

python comparison boolean-logic if-statement match