Answer Posted / keerthi

public class Diamond{
public static void main(String args[]){

int n=10;
int m=n/2;
int p=0;
for(int i=0; i<=n;i++){
if(i>m)
p++;
for(int j=0; j<=n;j++){

if((m-i)==j ||(m+i)==j || (i-j)==m ||(i>m && (n-p)==j))
System.out.print("*");
else
System.out.print(" ");
}
System.out.println("\n");
}//First for loop end

}//Main
}//Class end

output:
*

* *

* *

* *

* *

* *

* *

* *

* *

* *

*

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