Programming-Idioms

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2024-11-13, 17:10:55

2024-11-15, 22:22:59

Idiom #7 Iterate over list indexes and values

Print each index i with its value x from an array-like collection items

Print each index i with its value x from an array-like collection items

i,x,items

i,x,items

indices traverse traversal

indices traverse traversal

import static java.lang.System.out;
import static java.util.stream.IntStream.range;

import static java.lang.System.out;
import static java.util.stream.IntStream.range;

range(0, items.length).forEach(i -> {
    out.println(i + " = " + items[i]);
});

range(0, items.length)
    .forEach(i -> {
        out.println(i + " = " + items[i]);
    });

https://docs.oracle.com/en/java/javase/23/docs/api/java.base/java/util/stream/IntStream.html#range(int,int)

https://docs.oracle.com/en/java/javase/23/docs/api/java.base/java/util/stream/IntStream.html#range(int,int)