Why is it giving me an error when i’m calling it from inside the ‘student class?

*I have to Create a class called student but I’m getting an error and I didn’t know how to complete the code, but what I did is: public class Student { String name; private int age; private int grade;…

Is there a way for a program to create a new int dynamically?

Is there a way to have a program generate a random string and then create an int using that string? I need an indefinite number of int, so I can’t exactly define them all in the code and then write in …

How do I get the Scanner in java to read a string? [closed]

How would I get my program to quit when the user enters q? Is there something wrong with the scanner? My code import java.util.*; public class Main{ public static void main(String []args){ …

How come declaring something as a double data type would lead the ide to think it is a integer?

I am very confused on how a declared double data type would lead to the intellij ide to believe I was requiring a int to declare. Can someone give me some insight on this? Here is the code in a …

Integer.parseInt() and Integer.toString() runtime

Would the runtime of Integer.parseInt(String i) and Integer.toString(int i) both be O(n)?

Convert list of integer into comma separated string?

I was trying to convert list of Integers into String of comma separated integers. Collectors.joining(CharSequence delimiter) – Returns a Collector that concatenates the input elements, separated by …

Returning result of count native query using EntityManager in Java?

I have the following SQL Query : SELECT COUNT(*) FROM DOG where ID = ‘SampleId’; I am trying to write this in java : public int returnCountOfDogTable(String id){ String sql= “SELECT …

Why int j = 012 giving output 10?

In my actual project It happened accidentally here is my modified small program. I can’t figure out why it is giving output 10? public class Int { public static void main(String args[]) { …