Data-Structures-and-Algorithms/Java/Recursion/Repeat_Pattern.java at main · codemistic/Data-Structures-and-Algorithms · GitHub

Name: Data-Structures-and-Algorithms/Java/Recursion/Repeat_Pattern.java at main · codemistic/Data-Structures-and-Algorithms · GitHub
Rating: 4.4 (7774 reviews)
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importjava.util.*;
classRepeat_Pattern
{
staticvoidpattern(intn) {

if (n == 0)
return;
pattern(n - 1);
System.out.println(n);
pattern(n - 1);
 }

publicstaticvoidmain(Stringargs[]) {
ScannerI = newScanner(System.in);
System.out.println("Enter A Number\n");
intn = I.nextInt();
pattern(n);
I.close();
 }
}
/*

Input
 4

Output
1 //Nothing before 1 so nothing afterwards
2 //Everything printed before is printed afterwards
1
3 //Everything printed before is printed afterwards
1
2
1
4 //Everything printed before is printed afterwards
1
2
1
3
1
2
1

*/