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class array {

public static void main(String[] args) {

int a[] = new int[5];

a[0] = 1;

System.out.println(a.length);

int ar[][] = new int[2][];

ar[0] = new int[4];

ar[1] = new int[3];

for (int r = 0; r < ar.length; r++)

{

for (int c = 0; c < ar[r].length; c++) {

ar[r][c] = 1;

System.out.print(ar[r][c]);

}

System.out.println();

}

// String Array

String s[][] = new String[2][];

s[0] = new String[3];

s[1] = new String[2];

s[0][0] = "Java";

System.out.println(s[0][0]);

}

}