2021-02-14-TIL

2021-02-14-TIL

java.lang.ClassCastException

List<Integer> waiting = new ArrayList(Arrays.asList(truck_weights));
int temp = waiting.get(0); // 참조할 때 예외발생

https://javarevisited.blogspot.com/2012/12/how-to-solve-javalangclasscastexception-java.html#axzz6mPfpRkry

Permutaion using Java

https://www.geeksforgeeks.org/write-a-c-program-to-print-all-permutations-of-a-given-string/

Combinations using Java

https://www.baeldung.com/java-combinations-algorithm

https://www.geeksforgeeks.org/print-all-combinations-generated-by-characters-of-a-numeric-string-which-does-not-exceed-n/

Char to Int

https://www.javatpoint.com/java-char-to-int

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