I’m new at stackoverflow and coding. I’m trying to make a method for validating the user input. The user is only allowed to answer, add, show or exit. But I keep getting stuck in the first while loop. I tried to change it to !userChoice.equals.. but it is not working. What am I doing wrong. Answer…
Tag: return
Returning a value from one method to another to be used in the output
I can’t figure out how to return the value of finalCost to the main method and have it printed. Specifically, I can’t find how to use the returned value in the “println” line. Answer You call calcMonthlyCharge(downloadLimit),but don’t store the returnvalue. When you call System.o…
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 …
Why do assertions in Java act as a “missing return statement” whereas throw statements do not?
I have a class with the following field and method: The compiler doesn’t like this, giving me a “missing return statement” error, whereas this compiles fine: As far as I can tell, these two methods should function exactly the same and do the exact same thing with the former being slighly mor…
Java Streams return throws error Unexpected return value
I am quite new to Java streams and I am trying to implement a method using the streams but when I try to return the value it’s throwing me the error Unexpected return value. I just wanted to know what am I doing wrong. Following is the return within the Arrays.stream value which is throwing the error: H…
Two sum return statement returns nothing
I’m trying to attempt a problem where I must add two elements in an array to equal a target integer value. I think my code is correct and will return the desired target however the return statement is not returning any value. why is this and how can I fix it? Thanks Answer break is wrongly used. Also, y…
ANTLR4 Return values from a function
Im making a programming language as a project at my University and I’ve run into a problem with adding a return statement in functions. This is my grammar: And here is the custom visitor To help with transferring data I have made classes to carry values and function data. The problem I have atm is when …
How to use a HashMap returned from a method
Here I have a program which creates a HashMap within a method This program doesn’t work due to the fact that in the main method “abilities” cannot be found. How can I make it so I can use my HashMap in the main function. Answer Try it out
Fix the int convert and add a return for a class [closed]
I have a code done but has a couple of issues that need to be fixed, however, I tried many different ways is not work, could anyone give me some help here? My error parts are total = getScore; and …
Why is function not returning array in Java?
I’m making a small script to calculate the Fibonacci sequence by having an array to give how many digits i want, I just can’t figure out why my fib function is saying that there is no array being returned. Code: Answer It’s a matter of scopes. Your only return statements is within the for lo…