So I need a script that returns an array of a text document. The document is all numbers. Everytime I try to run it I get this message “This method must return a result of type int[]” this is under the checker part. I am trying to return it to another class so that I can use the array for
Tag: integer
simple java program returning incorrect value
Hello I am brushing up on Java practice. I have this very simple program: There are two int values, along with a boolean variable. i) The program will return true if one of these values is negative and one is positive. ii) However, if the boolean variable is true, the program can only return true if both int …
Iterating over arrays Check if an array contains two numbers
Write a program that reads an unsorted array of integers and two numbers n and m. The program must check if n and m occur next to each other in the array (in any order). Input data format The first line contains the size of an array. The second line contains elements of the array. The third line contains two
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: Please help. Answer In order to successfully compile your program you need to create first a new object of the class Student or make the stunInfo() method static. Also t…
How to create a ‘best fit’ comparison of several integers and an input integer in Java?
I have 3 (subject to change to more rooms in the future, but that’s irrelevant) rooms, all with a different number of seats (suppose these are ‘Room’ Objects): Room Seats 1 10 2 20 3 30 I then input a value of the number of seats I need to reserve and then my code will automatically assign t…
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]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago. Improve this question How would I get my program to quit when the user enters q? Is there someth…
How do I convert an Int to an Int[] in java?
I want to convert a primitive Java integer value: To an integer array: Answer There can be so many ways to do it. A concise way of doing it’s using Stream API as shown below: Output: Notes: ASCII value of ‘0’ is 48, that of ‘1’ is 49 and so on. Math#abs returns the absolute value…
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 picture: enter image description here Answer Double Data type : The double data type is a double-precision 64-bit IE…
Integer.parseInt() and Integer.toString() runtime
Would the runtime of Integer.parseInt(String i) and Integer.toString(int i) both be O(n)? Answer Yes both of them Integer.parseInt(“1000”) and Integer.toString(1000) have time complexity O(N) The internal code of Integer.parseInt(“1000”) reads the the strings char by char and covert to…