Here is a java program to print a diamond pattern of start character using loop.
Java Program to Print Diamond Pattern of Star Character
package com.tcc.java.programs;
import java.util.*;
public class DiamondPattern {
public static void main(String args[]) {
int rows = 7, i, space, star = 0;
// Printing upper triangle
for(i = 1; i <= rows; i++) {
// Printing spaces
for(space = 1; space <= rows-i; space++) {
System.out.print(" ");
}
// Printing stars
while(star != (2*i - 1)) {
System.out.print("*");
star++;
}
star=0;
// move to next row
System.out.print("\n");
}
rows--;
// Printing lower triangle
for(i = rows;i >= 1; i--) {
// Printing spaces
for(space = 0; space <= rows-i; space++) {
System.out.print(" ");
}
// Printing stars
star = 0;
while(star != (2*i - 1)) {
System.out.print("*");
star++;
}
System.out.print("\n");
}
}
}
Output
*
***
*****
*******
*********
***********
*************
***********
*********
*******
*****
***
*
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