2.Print this pattern 

0

00

000

0000

This pattern has:

• 4 rows

• Each row has increasing number of 0s (1 in first row, 2 in second row, etc.)    

Outer loop (i): Controls the row number (from 1 to 4).

Inner loop (j): Prints i number of 0s in each row.

• Row 1: 1 zero

• Row 2: 2 zeros

• Row 3:3 zeros

• Row 4: 4 zeros
  
  

System.out.println() moves to the next line after each row.