StarPatternQuestion.java

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


        pattern6_12345mirror(4);
        pattern1_54321star(4);
        pattern2_12345star(4);
        pattern3_12345numeric(4);
        pattern5_543212345numeric(4);
          
      
     
      }
      static void pattern6_12345mirror(int n){
  
          for(int i=1;i<=n;i++)
          {
              for(int j=0;j<n-i;j++)
                  {
                          System.out.print(" ");
                  }
  
          for(int j=0;j<i;j++)
                  {
                          System.out.print("*");
                  }
                System.out.println();
              
          }
  
      }
      static void pattern1_54321star(int n){
          for(int  i = 5 ; i>0 ; i--){
                  // System.out.println(" ");
                  for(int j=0;j<i;j++){
                      System.out.print(" * ");
      
                  }
                  System.out.println(" ");
                  
              }
      }
      static void pattern2_12345star(int n){
          for(int  i = 0 ; i<5 ; i++){
  
               for(int j=0;j<i;j++){
                   System.out.print(" * ");
  
               }
               System.out.println(" ");
              
           }
      }
  
      static void pattern3_12345numeric(int n){
          for(int  i = 1 ; i<=5 ; i++){
  
               for(int j=1;j<=i;j++){
                   System.out.print(j+"\t");
  
               }
               System.out.println(" ");
              
           }
      }
  
      static void pattern4_123454321star(int n){
         for(int i=0;i<2*n;i++){
          int k = i>n ? 2*n-i:i;
          for(int j = 0;j<=k;j++){
              System.out.print("* ");
          }
          System.out.println();
         }
      }
  
      static void pattern5_543212345numeric(int n){
      
         for(int i=2*n;i>0;i--){
          int k = i>n ? i:2*n-i;
          for(int j = 0;j<=k;j++){
              System.out.print("* ");
          }
          System.out.println();
         }
}
}