Eclipse:java.lang.ArrayIndexOutOfBoundsException

超出数组范围,数组索引越界异常
java.lang.ArrayIndexOutOfBoundsException

public class Problem {
	public static void main(String[] args) {
		int[] array1 = { 10, 20, 30 };
		
		System.out.println(array1[0]);
		System.out.println(array1[1]);
		System.out.println(array1[2]);
//		System.out.println(array1[3]); // 运行报错，超出范围
//		System.out.println(array1[-1]);
		
	}
}