Test1[] t1 = new Test1[10];
Test1[][] t2 = new Test1[5][];
if (t1[0] == null)
{
t2[0] = new Test1[10]
t2[1] = new Test1[10]
t2[2] = new Test1[10]
t2[3] = new Test1[10]
t2[4] = new Test1[10]
}
System.out.println(t1[0]);
System.out.println(t2[1][0]);