Function that takes in an int array and returns a string array with all elements converted to strings

2022-05-07 00:18 taka imported from Stackoverflow

Trying to make a function that takes in an int[] numbers as input and returns a String[] with the values of numbers converted to Strings using the function. Not sure how to continue or how to convert ints to strings.

3 answers

answered 2022-05-07 00:29 Saner Cakir

int[] foo = ...

String[] bar = new String[foo.length];

for (int i = 0; i < foo.length; i += 1) {

    bar[i] = String.valueOf(foo[I];
}

Next time you could probably google search too :)

answered 2022-05-07 00:29 Spectric

You can use Integer#toString to convert the integer to a string:

int[] nums = ...;
String[] stringNums = new String[nums.length]
for(int i = 0; i < nums.length; i++){
    stringNums[i] = Integer.toString(nums[i]);
}
return stringNums;

answered 2022-05-07 01:03 Jim Garrison
Here's an alternative streams-based approach:
```
    int[] a = {1,2,3,4,5};
    String[] b = String[] b = Arrays.stream(a).mapToObj(String::valueOf).toArray(String[]::new);
```
1. Make an IntStream containing the input data
2. Convert to a stream of strings
3. Convert to a String[]

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Function that takes in an int array and returns a string array with all elements converted to strings

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