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Pattern22.java

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import java.util.Scanner;

class Pattern22{

public static void main(String[] args) {

Scanner sc =new Scanner(System.in);

//int num=sc.nextInt();

int num=10;

int iteration=num*2-1;

for (int i=1; i<=iteration;i++){

if (i<=num) {

for(int k=1;k<=i;k++){

if(i==k){

System.out.print(k);

}

else System.out.print(" ");

}

System.out.println();

}else {

for (int j = num-(i-num); j!=0; j--) {

if(j==1){

System.out.print(num-(i-num));

}else System.out.print(" ");

}

System.out.println();

}

}

}

}