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3 questions
0
votes
4
answers
118
views
from recursion to iteration
I have recursive function:
public static int fRek(int n) {
if (n <= 0)
return 1;
else if (n == 1)
return 2;
else
return 3 * fRek(n-2)-...
- 11
0
votes
2
answers
724
views
Printing Specific Pattern using for Loop in Java
i have to print specific pattern using Java for loop . Input will be 4 characters eg.
a, b , c, d
now what i have to print is
aaaa
aaab
aaac
aaad
aaba
abbb
...
- 2,835
1
vote
3
answers
2k
views
How to iterate over an array returned by a function in Java
What's the best way to iterate over an array returned by a function?
Example:
for (String s : collectMyStrings()){
System.out.println(s);
}
Is collectMyStrings() called in each iteration, or does ...
- 5,009