Question

How to iterate over a stream with indices in Java

Answer 1

import java.util.stream.IntStream;

public class MyClass {
    public static void main(String args[]) {
        String[] arr = { "java", "c", "c++", "python", "c#"  };
 
        IntStream.range(0, arr.length)
                .mapToObj(index -> String.format("%d -> %s", index, arr[index]))
                .forEach(System.out::println);
    }
}




/*
run:

0 -> java
1 -> c
2 -> c++
3 -> python
4 -> c#

*/

 

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