CODEWITHSUNDEEP
javaarrays
Leah
Leah

Reputation: 57

How to create multiple string and integer values from one line in Java using arrays?

I am trying to read this line in Java - "abc:300:xyz:def", and I'm really unsure how to do this using arrays because in the array format it would be like this: ["abc:300:xyz:def"] . I started with 

ArrayList<String> list = new ArrayList<String>();
list.add("abc");
list.add("300");
list.add("xyz");
list.add("def");

in my constructor, but then I don't know if I add a 

list.split(":")

somewhere, because if so would that be right after I initialize the ArrayList? Any help would be appreciated!

Upvotes: 0

Views: 103

Answers (4)

user2073703
user2073703

Reputation: 21

If you are looking only the arrays not the arraylist, you can just use the split method from the string

String line = "abc:300:xyz:def";
String[] stringArray = line.split(":");

Upvotes: 0

techfly
techfly

Reputation: 1866

Do this:

String line = "abc:300:xyz:def";
List<String> list = Arrays.asList(line.split(":"));

Now you have a list containing the 4 strings.

Upvotes: 1

Khaled.K
Khaled.K

Reputation: 5940

To join the items, use String.join

ArrayList<String> list = new ArrayList<>();
list.add("abc");
list.add("300");
list.add("xyz");
list.add("def");

String str = String.join(":", list);

To split the items, use String.split

ArrayList<String> list = Arrays.asList(str.split(":"));

Upvotes: 2

Federico Paparoni
Federico Paparoni

Reputation: 722

If you have to read a line from console you can try something like this

Scanner scanner = new Scanner(System.in);
String yourString = scanner.next();
StringTokenizer st = new StringTokenizer(yourString , ":");
while (st.hasMoreElements()) {
    System.out.println(st.nextElement());
}

Upvotes: 0

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