Java Code for Alphabet Pattern

/* PATTERN A ABA ABCBA ABCDBCA ABCDEDCBA ----------- ------------- */ /********************* CODE *********************/ import java.util.*; class pattern7 { public static void main(String args[]) { Scanner scr=new Scanner(System.in); int n; System.out.println("Enter the number of rows. "); n=scr.nextInt(); char c; for(int i=1;i<=n;++i) // FOR LOOP FOR NUMBER OF ROWS { c='A'; for(int j=i;j<n;++j) // FOR LOOP FOR PRINTING SPACES { System.out.print(" "); } for(int k=1;k<=i;++k) // FOR LOOP FOR PRINTING ALPHABETS IN DESCENDING ORDER { System.out.print(c); ++c; } c-=2; for(int l=1;l<i;++l) // FOR LOOP FOR PRINTING ALPHABETS IN ASCENDING ORDER { System.out.print(c); --c; } System.out.println(); // INTRODUCING NEW LINE } } // end of main method } // end of main class /* OUTPUT C:\Users\Aditya\Desktop\aditya>javac pattern7.java C:\Users\Aditya\Desktop\aditya>java pattern7 Enter the number of rows. 6 A ABA ABCBA ABCDCBA ABCDEDCBA ABCDEFEDCBA */

Java Code for Alphabet Pattern

/* PATTERN A AB ABC ABCD ABCDE ------ ------- */ import java.util.*; class pattern6 { public static void main(String args[]) { Scanner scr=new Scanner(System.in); int n; System.out.println("Enter the number of rows"); n=scr.nextInt(); char c='A'; for(int i=1;i<=n;++i) { c='A'; for(int j=1;j<=i;++j) { System.out.print(c); ++c; } System.out.println(); } } } /* OUTPUT C:\Users\Aditya\Desktop\aditya>javac pattern6.java C:\Users\Aditya\Desktop\aditya>java pattern6 Enter the number of rows 6 A AB ABC ABCD ABCDE ABCDEF */

Java Code for Alphabet Pattern

/* PATTERN A BAB CBABC DCBABCD EDCBABCDE ----------- ------------- */ /********************* CODE *********************/ import java.util.*; class pattern1 { public static void main(String args[]) { Scanner scr=new Scanner(System.in); int n; System.out.println("Enter the number of rows. "); n=scr.nextInt(); char ch='A'; char c; for(int i=1;i<=n;++i) // FOR LOOP FOR NUMBER OF ROWS { c=ch; for(int j=i;j<n;++j) // FOR LOOP FOR PRINTING SPACES { System.out.print(" "); } for(int k=1;k<=i;++k) // FOR LOOP FOR PRINTING ALPHABETS IN DESCENDING ORDER { System.out.print(c); --c; } c+=2; for(int l=1;l<i;++l) // FOR LOOP FOR PRINTING ALPHABETS IN ASCENDING ORDER { System.out.print(c); ++c; } System.out.println(); // INTRODUCING NEW LINE ++ch; // INCREMENTING VALUE OF CH FOR NEXT ITERATION } } // end of main method } // end of main class /* OUTPUT C:\Users\Aditya\Desktop\aditya>javac pattern1.java C:\Users\Aditya\Desktop\aditya>java pattern1 Enter the number of rows. 6 A BAB CBABC DCBABCD EDCBABCDE FEDCBABCDEF */