Answer Posted / thati.donthi

public class PrintTriangle {

public static void main(String[] args) {
int n=4;
for(int i=1;i<=n;i++) {
for(int j=0;j<2*n-i;j++) {
System.out.print(" ");
}
for(int j=1;j<=i;j++) {
if(i%2 != 0) {
System.out.print("@"+" ");
} else {
System.out.print(j+" ");
}
}
System.out.println();
}
}
}

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