
object - Boolean vs boolean in Java - Stack Overflow
Sep 16, 2010 · There are discussions around Integer vs int in Java. The default value of the former is null while in the latter it's 0. How about Boolean vs boolean? A variable in my application can have …
java - When should I use Boolean instead of boolean? - Stack Overflow
Sep 23, 2013 · When should I use Boolean instead of boolean?. I mean, why would I want to have a null value in a variable which should contain either "true" or "false".. One spontaneous answer (of most …
What is the correct way to declare a boolean variable in Java?
Aug 1, 2016 · For instance Java has default values for Boolean, int etc .. C on the other hand doesn't automatically give initial values, whatever happens to be in memory is what you end up with unless …
What's the difference between boolean and Boolean in Java?
Mar 6, 2014 · 12 In Java, a boolean is a literal true or false, while Boolean is an object wrapper for a boolean. There is seldom a reason to use a Boolean over a boolean except in cases when an object …
When do I need to use AtomicBoolean in Java? - Stack Overflow
Dec 21, 2010 · Use it when you have multiple threads accessing a boolean variable. The java.util.concurrent.atomic package overview gives you a good high-level description of what the …
java - When to use true and when to use Boolean.TRUE? - Stack Overflow
Feb 11, 2023 · Why in first place, Boolean.java class contains a wrapper object for true and false? I mean, they have auto-boxing so they can directly do like Boolean x = true; instead of Boolean x = …
initializing a boolean array in java - Stack Overflow
In Java arrays are created on heap and every element of the array is given a default value depending on its type. For boolean data type the default value is false.
java - Differences in boolean operators: & vs && and - Stack Overflow
Oct 25, 2010 · So after doing some research from the Java oracle study guide, I've come up with three different scenarios of when to use && or &. The three scenarios are logical AND, bitwise AND, and …
SonarLint Use the primitive boolean expression here
Nov 25, 2019 · class Properties { private Boolean enabled; public Boolean getEnabled() { return enabled; } } If I write the following code, SonarLint gives me a warning on the if condition saying "Use …
java - How to compare Boolean? - Stack Overflow
The only reason to use the object wrapper is in cases where you absolutely must (such as when using Generics, i.e., storing a boolean in a HashMap<String, Boolean> or the like). Using the object …