Permutation array java

public class Permute{
    static void permute(java.util.List<Integer> arr, int k){
        for(int i = k; i < arr.size(); i++){
            java.util.Collections.swap(arr, i, k);
            permute(arr, k+1);
            java.util.Collections.swap(arr, k, i);
        }
        if (k == arr.size() -1){
            System.out.println(java.util.Arrays.toString(arr.toArray()));
        }
    }
    public static void main(String[] args){
        Permute.permute(java.util.Arrays.asList(3,4,6,2,1), 0);
    }
}

Source: stackoverflow.com

Similar codes

1 vote140 views1 answer
"java.lang.NoClassDefFoundError: org/yaml/snakeyaml/LoaderOptions"
Java
0 vote166 views1 answer
String to pojo java
Java
6 votes179 views1 answer
Set size of a jframe
Java
1 vote159 views1 answer
Selection Structure and Conditions
Java
0 vote166 views1 answer
Get value from Spring application.properties
Java
0 vote160 views1 answer
Java catch stop signal
Java
3 votes136 views3 answers
Spigot start.bat code
Java
0 vote159 views2 answers
How do i use weather api on my website netbeans
Java
0 vote140 views1 answer
Return class name java
Java
0 vote156 views1 answer
Java get file from url
Java