├── S1.java ├── S2.java ├── S3.java ├── S4.java ├── S5.java ├── S6.java ├── S7.java ├── S8.java ├── S9.java ├── T1.java └── T2.java /S1.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S1 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | int rows=5; 8 | for(int i=1;i<=5;i++) { 9 | for(int j=1;j<=(rows - i);j++) { 10 | System.out.print(' '); 11 | } 12 | for(int j=1; j<=i;j++) { 13 | System.out.print("*"); 14 | } 15 | System.out.println(); 16 | } 17 | 18 | } 19 | 20 | /* * 21 | ** 22 | *** 23 | **** 24 | ***** 25 | */ 26 | 27 | } 28 | -------------------------------------------------------------------------------- /S2.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S2 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=1;i<=5;i++) { 8 | 9 | for(int j=1;j<=(5-i);j++) { 10 | 11 | System.out.print(' '); 12 | } 13 | 14 | for(int j=1;j<=i;j++) { 15 | 16 | System.out.print(i); 17 | } 18 | System.out.println(); 19 | } 20 | /* 1 21 | 22 22 | 333 23 | 4444 24 | 55555 25 | */ 26 | 27 | } 28 | 29 | } 30 | -------------------------------------------------------------------------------- /S3.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S3 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=1;i<=5;i++) { 8 | 9 | for(int j=1;j<=(5-i);j++) { 10 | 11 | System.out.print(' '); 12 | } 13 | 14 | for(int j=1;j<=i;j++) { 15 | 16 | System.out.print(j); 17 | } 18 | System.out.println(); 19 | } 20 | /* 1 21 | 12 22 | 123 23 | 1234 24 | 12345 25 | */ 26 | 27 | 28 | } 29 | 30 | } 31 | -------------------------------------------------------------------------------- /S4.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S4 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=0;i<=5;i++) { 8 | 9 | for(int j=0;j<=(5-i);j++) { 10 | 11 | System.out.print(' '); 12 | } 13 | 14 | for(int j=0;j<=i;j++) { 15 | char c =(char)('A'+j); 16 | 17 | System.out.print(c); 18 | } 19 | System.out.println(); 20 | } 21 | /* A 22 | AB 23 | ABC 24 | ABCD 25 | ABCDE 26 | ABCDEF 27 | 28 | */ 29 | 30 | } 31 | 32 | } 33 | -------------------------------------------------------------------------------- /S5.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S5 { 4 | public static void main(String[] args) { 5 | for(int i=0;i<=5;i++) { 6 | 7 | for(int j=0;j<=(5-i);j++) { 8 | 9 | System.out.print(' '); 10 | } 11 | 12 | for(int j=0;j<=i;j++) { 13 | char c =(char)('A'+i); 14 | 15 | System.out.print(c); 16 | } 17 | System.out.println(); 18 | } 19 | /* 20 | A 21 | BB 22 | CCC 23 | DDDD 24 | EEEEE 25 | FFFFFF 26 | */ 27 | 28 | } 29 | 30 | } 31 | -------------------------------------------------------------------------------- /S6.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S6 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=1;i<=5;i++) { 8 | for(int j=1;j<=(i-1);j++) { 9 | 10 | System.out.print(' '); 11 | } 12 | 13 | for(int j=1;j<=(5+1-i);j++) { 14 | 15 | System.out.print("*"); 16 | } 17 | System.out.println(); 18 | } 19 | /* ****** 20 | **** 21 | *** 22 | ** 23 | * 24 | */ 25 | 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /S7.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S7 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=1;i<=5;i++) { 8 | for(int j=1;j<=(i-1);j++) { 9 | 10 | System.out.print(' '); 11 | } 12 | 13 | for(int j=1;j<=(5+1-i);j++) { 14 | 15 | System.out.print(j); 16 | } 17 | System.out.println(); 18 | } 19 | /*12345 20 | 1234 21 | 123 22 | 12 23 | 1 24 | */ 25 | 26 | } 27 | 28 | } 29 | -------------------------------------------------------------------------------- /S8.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S8 { 4 | 5 | public static void main(String[] args) { 6 | for(int i=1;i<=5;i++) { 7 | for(int j=1;j<=(i - 1);j++) { 8 | System.out.print(' '); 9 | } 10 | for(int j=1;j<=(6-i);j++) { 11 | System.out.print(j); 12 | } 13 | System.out.println(); 14 | }/* 12345 15 | 1234 16 | 123 17 | 12 18 | 1 19 | */ 20 | 21 | 22 | } 23 | 24 | } 25 | -------------------------------------------------------------------------------- /S9.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class S9 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=6;i>=0;i--) { 8 | for(int j=0;j<=(i - 1);j++) { 9 | System.out.print(i); 10 | } 11 | for(int j=0;j<=(5-i);j++) { 12 | System.out.print(' '); 13 | } 14 | System.out.println(); 15 | } 16 | /*666666 17 | 55555 18 | 4444 19 | 333 20 | 22 21 | 1 22 | */ 23 | 24 | } 25 | 26 | } 27 | -------------------------------------------------------------------------------- /T1.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class T1 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=0;i<=6;i++) { 8 | for(int j=0;j<=(i-1);j++) { 9 | 10 | System.out.print(' '); 11 | } 12 | 13 | for(int j=0;j<=(5+1-i);j++) { 14 | char c =(char)('A'+j); 15 | System.out.print(c); 16 | } 17 | System.out.println(); 18 | }/*ABCDEFG 19 | ABCDEF 20 | ABCDE 21 | ABCD 22 | ABC 23 | AB 24 | A 25 | */ 26 | 27 | } 28 | 29 | } 30 | -------------------------------------------------------------------------------- /T2.java: -------------------------------------------------------------------------------- 1 | package pack1; 2 | 3 | public class T2 { 4 | 5 | public static void main(String[] args) { 6 | // TODO Auto-generated method stub 7 | for(int i=0;i<=6;i++) { 8 | char c =(char)('E'-i); 9 | for(int j=0;j<=(i-1);j++) { 10 | 11 | System.out.print(' '); 12 | } 13 | 14 | for(int j=0;j<=(5+1-i);j++) { 15 | System.out.print(c); 16 | } 17 | System.out.println(); 18 | }/* EEEEEEE 19 | DDDDDD 20 | CCCCC 21 | BBBB 22 | AAA 23 | @@ 24 | ? 25 | */ 26 | 27 | } 28 | 29 | } 30 | --------------------------------------------------------------------------------