打印小屋星形图案的程序

for ( initial expression; conditional expression; increment/decrement expression ){
   for ( initial expression; conditional expression; increment/decrement expression ) {
      // code to be executed
   }
}

public class Hut {
   public static void main(String[] args) {
      // count of upper triangle row and lower rectangle row 
      int n = 5; 
      int spc = n-1; 
      // initial count of space
      int str = 1; 
      // initial count of star
      // upper triangular shape
      for(int i = 1; i <= n; i++) {
         for(int j = 1; j <= spc; j++) {
            // for space
            System.out.print("\t"); 
         }
         spc--;
         for(int k = 1; k <= str; k++) { 
            // for star
            System.out.print("*\t");  
         }
         str += 2;
         System.out.println(); 
         // to move the cursor to next line
      }
      // lower rectangular shape
      for (int i = 0; i < n; i++) {
         // for left rectangular shape
         for (int j = 0; j < n/2; j++) { 
            System.out.print("*\t");
         }
         // for space
         for (int j = 0; j < 5; j++) {
            System.out.print("\t");
         }
         // for right rectangular shape
         for (int j = 0; j < n/2; j++) {
            System.out.print("*\t");
         }
         System.out.println(); 
         // to move the cursor to next line
      }
   }
}

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