class Dims{ //line1
public static void main(String[] args) { //line2
int [] [] a = {{1,2}, {3,4}}; //line3
int []b = (int[]) a[1];//line4
Object o1 = a;//line5
int [] [] a2 = (int [][])o1;//line6
int [] b2 = (int[]) o1;//line7
System.out.println(b[1]);//line8
}
}
