Yes this is an exercise from “Building Java Programs”, but its not an assigned problem. I need to write a method that reads the following text as input: And produces the following as output: Now I know I have to use Scanner objects to first read a line into a String, the to tokenize the string. What I don’t get
Tag: java.util.scanner
java.util.NoSuchElementException – Scanner reading user input
I’m new to using Java, but I have some previous experience with C#. The issue I’m having comes with reading user input from console. I’m running into the “java.util.NoSuchElementException” error with this portion of code: I have two functions that get user input: PromptCustomerQty PromptCustomerPayment If I don’t call PromptCustomerQty then I don’t get this error, which leads me to
Read next word in java
I have a text file that has following content: I read the text file and iterate through the lines: Each line has two words. Is there any method in java to get the next word or do I have to split the line string to get the words? Answer You do not necessarily have to split the line because java.util.Scanner’s
how to take user input in Array using java?
how to take user input in Array using Java? i.e we are not initializing it by ourself in our program but the user is going to give its value.. please guide!! Answer Here’s a simple code that reads strings from stdin, adds them into List<String>, and then uses toArray to convert it to String[] (if you really need to work
How to find second largest number using Scanner and for loop(no array)
So I can easily accomplish task to find largest number and then if can be divided by three, print out. But do not know how to find second largest number from users sequence. Thanks for any hints! Answer