java - When should I use "this" in a class? - Stack Overflow
2010年3月10日 · @William Brendel answer provided three different use cases in nice way. Use case 1: Offical java documentation page on this provides same use-cases. Within an instance …
java - && (AND) and || (OR) in IF statements - Stack Overflow
Because of this, aside from the null-check-first pattern mentioned, you can use this as a general optimization rule: In a compound IF or OR statement, ALWAYS put the most trivial evaluation …
What is the Java ?: operator called and what does it do?
In particular, if Java ever gets another ternary operator, people who use the term "conditional operator" will still be correct and unambiguous - unlike those who just say "ternary operator". …
What is the percent % operator in java? - Stack Overflow
2021年7月16日 · n%10 means the modulus of 10, that is the remainder you get when you divide with 10. Here it is used to get each digit.
java - How to use javap - Stack Overflow
2012年7月12日 · javap is the command used to see the java profile/method declaration of a Inbuilt class/User Defined Class/Interfaces/Abstract Class. -> If you want to see the methods of a pre …
What does the ^ operator do in Java? - Stack Overflow
2010年1月2日 · Exponentiation in Java. As for integer exponentiation, unfortunately Java does not have such an operator. You can use double Math.pow(double, double) (casting the result to int …
boolean operations - How to use 'or' in Java? - Stack Overflow
The || operator can only be used, in Java, where a boolean (true or false) expression is expected, such as in an if statement like the above. So pretty much in an if or a conditional operator (that …
What are assertions in Java and when should they be used?
2010年5月3日 · Java Exceptions are a similar concept, but they fail to verify everything. If you want even more checks (at the cost of execution speed) you need to use assertions. Doing so …
java - SSL and cert keystore - Stack Overflow
It also works in Windows 11 just use Oracle's JDK kit path. C:\Program Files\Java\jdk-20\lib\security\cacerts. tool path. C:\Program Files\Java\jdk-20\bin\keytool. I just drop the cert I …
coding style - Java - when to use 'this' keyword - Stack Overflow
2010年3月12日 · As to when to use it, a lot of it is personal preference. I like to use this in my public methods, even when it's unnecessary, because that's where the interfacing happens …