All Questions
552 questions
0
votes
0
answers
36
views
Java's split method work differently on different strings [duplicate]
I'm trying spliting strings by using String.split() method.
And when I use
String test = "a ";
String[] split = test .split(" ");
this array's length is 1.
But when I use
...
0
votes
4
answers
128
views
How do you split at the end of the line in Java?
I have a .txt file that looks like this:
Event=ThermostatNight,time=0
Event=LightOn,time=2000
Event=WaterOff,time=10000
Event=ThermostatDay,time=12000
Event=Bell,time=9000,rings=5
Event=WaterOn,time=...
- 1
0
votes
2
answers
356
views
How can i get access to elements of string array inside of a stream?
I need to count and sort hashtags inside string using stream api.
example:
String posts = "Example #java #streams string etc."
I've tried to split this string to String[] and then iterate ...
- 41
0
votes
3
answers
497
views
How to convert text to pojo by SEPARATOR
I have a string text, the formatter like CODE@NAME, and the NAME maybe a null value, just like below text:
202304110940436402@SHX01,202304110940477328@,202304110940494662@SHXZ20
The pojo:
public ...
-2
votes
2
answers
60
views
How can I use regex expressions to split a string between numbers, specified strings, and individual characters if they don't form a specified word?
I am trying to find a way to split a String into certain sections using a regex. My desired result would be like this:
input: "3.0catsdogs}qd7cats8.0dogs"
//specified strings: "cats&...
0
votes
0
answers
40
views
Array error when capturing more than 9 words from a string
I am currently in a Java course and have run into a simple issue. I have tried several things to resolve the issue but no luck. When I give the input:
"5 Hello world and goodbye world"
I ...
-4
votes
1
answer
54
views
Longest Name in the list and Average birth date of all
My aim is to calculate the birth date of each person in the list we input as shown below and also output the longest name between them.
Desired output:
sauli,1948
tarja,1943
martti,1936
mauno,1923
...
- 35
0
votes
2
answers
54
views
Why is my split method is not functioning as intended when I am splitting numbers from operator
Output of the code
public class Model {
private Scanner sc = new Scanner(System.in);
private String expression;
private String exp[];
public Model()
{
expression = sc.nextLine();
...
- 13
0
votes
2
answers
95
views
java .split() method gives arrays of different lengths
I am reading lines from a tsv file, and then trying to delimit them by words = array.split("\t")
words is an array that i have already initiated by String[] words = {"0", "0&...
- 45
0
votes
1
answer
41
views
Split the String when it contains operation symbols in Java? [duplicate]
I want to split the string when it contains the symbol "+" and "-", how can I do that?
Example:
str1 = "2x^3+3x-8";
//Result:
['2x^3', '3x', '8']
- 15
-1
votes
1
answer
57
views
How to split String using array to read two inputs in switch
I have a database, where I need to make the user type two criterias they wanna sort the database by. If they for example want to sort it by name and height. It should then first sort it by name, and ...
-1
votes
2
answers
582
views
use .split() for files. java
I have a file and want to split the file line by line. But I do not want to create a new file each time. just store every line in an Array.
the .split() method is exactly what I want but it can't be ...
- 35
-1
votes
1
answer
92
views
Problem with seperating one String into two arrays (words seperated by Tab and Enter)
EDIT 02.10.2022 - Got it working, have a look at the End.
I am trying to make a program that splits one string of text into to arrays
the input in the String text looks as following:
voc1 deut1
...
1
vote
1
answer
97
views
How to organize (from highest to lowest) a hand of 5 deck-cards? or how to split an array of strings into sub arrays?
I am stuck on how to organize 5 cards from highest to lowest. the 5 cards will come into the method as an array called handDeck, the array would look something like this: {"Ace spades", &...
0
votes
2
answers
851
views
How to split text from file into an array
I want to read from a text file which contains information about books. The information about the book should be put in an array. I understand I need to split.
The content in the text file looks like:
...
- 1