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Programming-Idioms

History of Idiom 7 > diff from v140 to v141

Edit summary for version 141 by reilas:
[Java] I has forgotten the import statement.
↷

Version 140

2023-01-25, 12:59:07

Version 141

2023-01-25, 13:00:10

Idiom #7 Iterate over list indexes and values

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

Idiom #7 Iterate over list indexes and values

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

Variables
i,x,items
Variables
i,x,items
Extra Keywords
indices traverse traversal
Extra Keywords
indices traverse traversal
Imports
Imports 
import java.util.ArrayList;
Code 
int i = 0;
for(String x : items) {
	System.out.printf("%d %s%n", i, x);
	i++;
}
Code 
int i = 0;
for(String x : items) {
	System.out.printf("%d %s%n", i, x);
	i++;
}