Pattern

printPattern.java

class printPattern {
  public static void main(String args[]) {
    for(int i=0; i<4; i++) { // yeh loop 4 baar chalega
      
      //for loop to print spaces
      for(int j=0; j<i; j++) {
        System.out.print(" ");
      }
      
      //for loop to print numbers
      for(int k=1; k<=4-i; k++) {
        System.out.print(k);
      }
      
      //for loop to print @
      for(int l=1; l<=4-i; l++) {
        System.out.print("@");
      }
      
      System.out.println();
    }
  }
}