So when thinking about the output my thought process went like this : for the first if condition I thought that since its post increment operator , i value will be used first and then increased so it will execute the if condition and increment the value of i therefore printing output 11 is good for the second if condition
multiplication compound assignment operator with more than two numbers
I am doing coding exercises right now and came across one task which I don’t know how to do, I also could not find any solution on the internet =( I know how =* and all alike compound operators work with a single number, but I don’t know how it works with a complex expression like 3 / 2. IntelliJ
Mixing short-circuit operators with other operators
Assume the following expression: } The output is 0. I understand short-circuit operators, in that the right-hand side of || would not execute because the left-hand side evaluates to true. However, ++ takes precedence over short-circuit logical operators, so shouldn’t the ++ operator evaluate before the logical operator is evaluated? Note: I probably would not need to do this in
Need help to calculate the sum of numbers by omitting somes of them
#1. I need to write a Java program that calculates the sum of numbers from 1 through 10,000 (including 1 and 10,000) but omitting numbers that are divisible by three and numbers whose hundred digit is 2 or 3 (for example 8200 or 5312). I begin with but didnt work: Answer You should only increment the sum after testing the
Lambda expresions and “? :” operator in Java 14
Good day to everyone, I have a question regarding the usage of the ? : operator in the lambda expressions, especially in the switch statements. Could you kindly clarify, why the below code would not work and will be marked as Not a statement And the next one will. Is there a way to use the ? : operator in
How to avoid NullPointerExceptions from boxed type arithmetic in Java?
Given the following: The requirement for my use case is that result should be null whenever either operand is null (and the same applies for other operators). I know I can use an if statement to do this but is there a smarter way? Answer The best way is not to use Boxed types for normal arithmetic operations. Use primitive
Negate unary operator in Hibernate QL
I’m trying to switch boolean field using the following hql: Unfortunately “QuerySyntaxException: unexpected token: not near…” was thrown. My question is: is there some unary operator for hibernate that supports such expression? Or any well known trick? sql supports such queries (postgresql): Answer I would just use a native SQL query for this.