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Challenges Collatz conjecture; Count the tries to reach $1$

Java (JDK), 150 bytes interface M{static void main(String[]a){int i=new java.util.Scanner(System.in).nextInt(),j=0;for(;i!=1;j++){i=i%2==1?i*3+1:i/2;}System.out.print(j);}} Try it online! Fr...

posted 3y ago by General Sebast1an‭

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#1: Initial revision by

General Sebast1an‭ · 2021-10-15T05:57:07Z (about 3 years ago)

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# [Java (JDK)], 150 bytes

<!-- language-all: lang-java -->

    interface M{static void main(String[]a){int i=new java.util.Scanner(System.in).nextInt(),j=0;for(;i!=1;j++){i=i%2==1?i*3+1:i/2;}System.out.print(j);}}

[Try it online!][TIO-kuryha8n]

From [my](https://codegolf.codidact.com/users/54114) [shortC](https://github.com/aaronryank/shortC) [answer](https://codegolf.codidact.com/posts/284185/284440#answer-284440).

[Java (JDK)]: http://jdk.java.net/
[TIO-kuryha8n]: https://tio.run/##LY29DsIgEIBfBQcTsIqlbhLi7ODU0TiQlppDexh6rZqmz44M7t@Pt5Pd@faREiC52NnGscs8kCVo2BSgZb0F5DVFwPv1ZsWcOQYG3Zv57MqR4CnrxiK6yOvvQK6XgEKi@9AZiYutN6XuQuQaVkZpXxS5YWBdGaNOsDkU6gj7Si9/N4wkX3lG3Au9LCmp8gc "Java (JDK) – Try It Online"

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