#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
Tag: operators
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 …
How to avoid NullPointerException from arithmetic operators in Java?
Given the following: Integer var1 = null; Integer var2 = 4; Integer result = var1 + var2; // throws NullPointerException The requirement for my use case is that result should be null whenever either …
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.