Day 14 : ArrayIndexOutOfBoundsException

ArrayIndexOutOfBoundsException : 배열에서 인덱스 범위를 초과하여 사용할 경우 발생하는 예외

 

ArrayIndexOutOfBoundsException

package sec02_runtime_exception;

public class ArrayIndexOutOfBoundsExceptionExample {
	public static void main(String[] args) {
		//Run Configuration - Arguments에 값 지정 안되면 ArrayIndexOutOfBoundsException 발생
		String data1 = args[0];
		String data2 = args[1];
		
		System.out.println("args[0]: " + args[0]);
		System.out.println("args[1]: " + args[1]);
		
		/*
		if(args.length == 2) {
			String data1 = args[0];
			String data2 = args[1];
			
			System.out.println("args[0]: " + args[0]);
			System.out.println("args[1]: " + args[1]);
		} else {
			System.out.println("[실행 방법]");
			System.out.println("java ArrayIndexOutOfBoundsExceptionExample 값1 값2");
		}
		*/
	}
}

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index 1 out of bounds for length 1
	at sec02_runtime_exception.ArrayIndexOutOfBoundsExceptionExample.main(ArrayIndexOutOfBoundsExceptionExample.java:7)