Jurnal.java

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 */
package jurnal;

import java.util.Scanner;

/**
 *
 * @author Praktikan
 */
public class Jurnal {
    /**
     * @param args the command line arguments
     */
 public static void main(String[] args) {
        // TODO code application logic here
       
    
        System.out.println("");
        int l = 1;
        int tingkat = 10;
        int n = 12/2;
        for(int i=1;i<=n;i++){
            for(int k=n;k>i;k--){
                System.out.print(" ");
            }
            for(int j=1;j<=l;j++){
                System.out.print("*");
            }
            l+=2;
            System.out.println("");
            }
            l -= 4;
            for(int i=(n-1);i>=1;i--){
                for(int k=i;k<=(n-1);k++){
                    System.out.print(" ");
            }
            for(int j=l;j>=1;j--){
                System.out.print("*");
            }
            l-=2;
            System.out.println("");
        }
       
    }
    
}