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파라메터 수가 잘못된 경우메시지 출력및 프로그램 종료 수정 #27

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파라메터 수가 잘못된 경우메시지 출력및 프로그램 종료 수정 #27

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5 changes: 5 additions & 0 deletions Fibonacci.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,11 @@
public class Fibonacci{

public static void main(String []args){
if (args.length != 1) {
System.out.println("USAGE: java Fibonacci <number>");

return;
}
int start = Integer.parseInt(args[0]);
BigInteger fib1 = new BigInteger("0");
BigInteger fib2 = new BigInteger("1");
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