I wrote the code as follows but it doesn’t return the first recurring letter properly. Example: In the word “statistics” the recurring letters are s, t, and i. But the letter t recurs sooner than the letter s and i, but my program returns s instead of t. What do I need to do for it to return…
Tag: string
Doubling one letter with each new occurence
so I have task to double number of letter “a” every time it occurs in a string. For example sentence “a cat walked on the road” , at the end must be “aa caaaat waaaaaaaalked on the roaaaaaaaaaaaaaaaa” . I had something like this on my mind but it doubles every charachter, n…
How do I read strings from a file that already contain double quotes?
I have a list of names in a .txt file which are in the format: “Tim”, “Dave”, “Simon” The input will always be single value names in quotes, comma separated and on a single line. I want to read these into String[] names. I have the following code, but the output puts each o…
How to iterate over a Map to obtain a String of repeated Character Keys with Java 8
I have a Map shown below: I need to obtain the output: I can do it in normal process, but I want to do it in Java 8. Can you share some hints how to achieve this? Answer Here’s a couple of ideas on how to approach this problem using Java 8 streams. The overall idea: create a stream of
Counting Letters & Words in a Math Equation String
So, I have written a method named varCount(), shown below, that would count the number of letter variables in a math equation. This method is made inside a class, so the getter method of the private equation string attribute was used here. One example of what should result from this was, if you are using the …
How to obtain the info inside a String without length and indexOF. (JAVA)
I have an api which returns a String in the following format: ACTNEW_38_0001,ACTO_57999 I need to extract the numerical values (57999, or 38_0001) but: 1: They can arrive in different order. 2: It can arrive only one of them. 3: It has to be lightweight. I roughly know how to do it. My actual code looks more …
How to split a readLine but dont split values inside apostrophes?
Example txt file Code Is there a way I can have the split not split items within the apostrophes when going across the line? That way regardless if the first Item is one word or two words, if I call inputWords[1] It will always return the full string. What happens: “Multi Bit Ratcheting” -> inp…
How to cast a String as an Array then dedupe Array in Java? [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 8 months ago. This post was edited and submitted for review 8 months ago and failed to reopen the post: Original close reason(s…
why can’t I add chars to a new string?
code: The second line is wrong for some reason and I don’t know why Answer The book is wrong, and Eclipse is right. In Java, you can write “abc” + whatever, or whatever + “abc”, and it concatenates the strings — because one side is a String. But in st.charAt(0)+st.charAt(st…
Code that takes a string and recognizes the number of consecutive letters
To do my job, I need a code that takes a word from the user, then recognizes the number of consecutive letters and outputs it in such a way that it prints the letter and the number of times it is repeated. Example 1 input: Example 1 output: Example 2 input: Example 2 output: Answer Here is one way. You