public class Diamond {
public static void main(String[] args) {
final int size = 4;
for (int i = 1; i <= size; i++) {
for (int j = i; j < size; j++) {
System.out.print(" ");
}
for (int k = 1; k <= 2 * i - 1; k++) {
System.out.print("*");
}
System.out.println();
}
for (int i = size - 1; i >= 1; i--) {
for (int j = 1; j <= size - i; j++) {
System.out.print(" ");
}
for (int k = 2 * i - 1; k > 0; k--) {
System.out.print("*");
}
System.out.println();
}
}
}
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*
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*****
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*****
***
*
