Java program to print this pattern

Example:
 
 1
 **
 123
 ****
 12345 

Answer :

public class Pattern123 {

 public static void main(String[] args) {
  
  //i for row and j for column
          for(int i=1;i<6;i++){       
  for(int j=1;j<=i;j++){
   if(i%2==0){            //Every even row will print * 
   System.out.print("*");
   }
   else{
   System.out.print(j);
   }
   
 }//end of inner for loop
  System.out.println();
 }//end of outer for loop

}
}