Skip to content

Commit 3fc2dca

Browse files
curious-vasavicurious-vasavi
committed
Add Day 15 Core level Pattern Programs
1 parent b580301 commit 3fc2dca

File tree

10 files changed

+425
-0
lines changed

10 files changed

+425
-0
lines changed

‎src/patterns_Programming/core/day_15/DiamondPattern.java‎

Lines changed: 56 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,56 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
Diamond Pattern (Size = 5)
4+
*
5+
***
6+
*****
7+
*******
8+
*********
9+
*******
10+
*****
11+
***
12+
*
13+
*/
14+
import java.util.*;
15+
public class DiamondPattern
16+
{
17+
public static void diamondPattern(int row,int col)
18+
{
19+
for(int i = 1;i<=row-1;i++) // row -1 because we need to print the middle row exactly once
20+
{
21+
for(int space = 1;space <= row-i;space++)
22+
{
23+
System.out.print(" ");
24+
}
25+
for(int j = 1 ; j<=i*2-1;j++)
26+
{
27+
System.out.print("*");
28+
}
29+
System.out.println();
30+
}
31+
32+
for(int i = row;i>=1;i--)
33+
{
34+
for(int space = 1;space <= row - i;space++)
35+
{
36+
System.out.print(" ");
37+
}
38+
for(int j = 1;j<=i*2-1;j++)
39+
{
40+
System.out.print("*");
41+
}
42+
System.out.println();
43+
}
44+
}
45+
public static void main(String[] args)
46+
{
47+
Scanner sc = new Scanner(System.in);
48+
System.out.println("Enter the number of rows :");
49+
int row = sc.nextInt();
50+
System.out.println("Enter the number of column :");
51+
int col = sc.nextInt();
52+
diamondPattern(row,col);
53+
sc.close();
54+
}
55+
}
56+

‎src/patterns_Programming/core/day_15/FullPyramind.java‎

Lines changed: 38 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,38 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
Full pyramid using `*`
4+
*
5+
* *
6+
* * *
7+
* * * *
8+
9+
*/
10+
import java.util.*;
11+
public class FullPyramind
12+
{
13+
public static void fullPyramid(int row,int col)
14+
{
15+
for(int i = 1;i<=row;i++)
16+
{
17+
for(int j = col;j>=i;j--)
18+
{
19+
System.out.print(" ");
20+
}
21+
for(int k = 1;k<=i;k++)
22+
{
23+
System.out.print(" *");
24+
}
25+
System.out.println();
26+
}
27+
}
28+
public static void main(String[] args)
29+
{
30+
Scanner sc = new Scanner(System.in);
31+
System.out.println("Enter number of rows :");
32+
int row = sc.nextInt();
33+
System.out.println("Enter number of columns :");
34+
int col = sc.nextInt();
35+
fullPyramid(row, col);
36+
sc.close();
37+
}
38+
}

‎src/patterns_Programming/core/day_15/HollowDiamond.java‎

Lines changed: 65 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,65 @@
1+
package patterns_Programming.core.day_15;
2+
3+
import java.util.Scanner;
4+
5+
/*
6+
Hollow Diamond Pattern
7+
*
8+
* *
9+
* *
10+
* *
11+
* *
12+
* *
13+
* *
14+
* *
15+
*
16+
17+
*/
18+
public class HollowDiamond
19+
{
20+
public static void hollowPattern(int row)
21+
{
22+
for (int i = 1; i <= row; i++)
23+
{
24+
for (int space = 1; space <= row - i; space++)
25+
{
26+
System.out.print(" ");
27+
}
28+
for (int j = 1; j <= 2 * i - 1; j++)
29+
{
30+
if (j == 1 || j == 2 * i - 1)
31+
System.out.print("*");
32+
else
33+
System.out.print(" ");
34+
}
35+
System.out.println();
36+
}
37+
38+
for (int i = row - 1; i >= 1; i--)
39+
{
40+
for (int space = 1; space <= row - i; space++)
41+
{
42+
System.out.print(" ");
43+
}
44+
45+
for (int j = 1; j <= 2 * i - 1; j++)
46+
{
47+
if (j == 1 || j == 2 * i - 1)
48+
System.out.print("*");
49+
else
50+
System.out.print(" ");
51+
}
52+
System.out.println();
53+
}
54+
}
55+
56+
public static void main(String[] args)
57+
{
58+
Scanner sc = new Scanner(System.in);
59+
System.out.println("Enter the number of rows :");
60+
int row = sc.nextInt();
61+
62+
hollowPattern(row);
63+
sc.close();
64+
}
65+
}

‎src/patterns_Programming/core/day_15/HollowSquare.java‎

Lines changed: 43 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,43 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
4+
Hollow square of `*` (5x5)
5+
*****
6+
* *
7+
* *
8+
* *
9+
*****
10+
11+
*/
12+
import java.util.*;
13+
public class HollowSquare
14+
{
15+
public static void hollowSquare(int row , int col)
16+
{
17+
for(int i = 1;i<=row;i++)
18+
{
19+
for(int j = 1;j<=col;j++)
20+
{
21+
if(i == 1||i==row||j==1||j==col)
22+
{
23+
System.out.print("*");
24+
}
25+
else
26+
{
27+
System.out.print(" ");
28+
}
29+
}
30+
System.out.println();
31+
}
32+
}
33+
public static void main(String[] args)
34+
{
35+
Scanner sc = new Scanner(System.in);
36+
System.out.println("Enter the number of rows :");
37+
int row = sc.nextInt();
38+
System.out.println("Enter the number of columns :");
39+
int col = sc.nextInt();
40+
hollowSquare(row, col);
41+
sc.close();
42+
}
43+
}

‎src/patterns_Programming/core/day_15/HollowTriangle.java‎

Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
package patterns_Programming.core.day_15;
2+
3+
import java.util.Scanner;
4+
5+
/*
6+
Hollow Triangle Pattern
7+
*
8+
**
9+
* *
10+
* *
11+
*****
12+
*/
13+
public class HollowTriangle
14+
{
15+
public static void hollow(int row)
16+
{
17+
for(int i = 1;i<=row;i++)
18+
{
19+
for(int j = 1;j<=i;j++)
20+
{
21+
if(i==j||i==row||j==1)
22+
System.out.print("*");
23+
else
24+
System.out.print(" ");
25+
}
26+
System.out.println();
27+
}
28+
}
29+
public static void main(String[] args) {
30+
Scanner sc = new Scanner(System.in);
31+
System.out.println("Enter the number of rows : ");
32+
int row = sc.nextInt();
33+
hollow(row);
34+
sc.close();
35+
36+
}
37+
}

‎src/patterns_Programming/core/day_15/InvertedFullPyramid.java‎

Lines changed: 37 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,37 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
Inverted full pyramid using `*`
4+
*********
5+
*******
6+
*****
7+
***
8+
*
9+
*/
10+
import java.util.*;
11+
public class InvertedFullPyramid
12+
{
13+
public static void invertedFullPyramid(int row,int col)
14+
{
15+
for(int i = row;i>=1;i--)
16+
{
17+
for(int space = 1;space<=row-i;space++)
18+
{
19+
System.out.print(" ");
20+
}
21+
for(int j = 1;j<=i*2-1;j++)
22+
{
23+
System.out.print("*");
24+
}
25+
System.out.println();
26+
}
27+
}
28+
public static void main(String[] args) {
29+
Scanner sc = new Scanner(System.in);
30+
System.out.println("Enter number of rows :");
31+
int row = sc.nextInt();
32+
System.out.println("Enter number of columns :");
33+
int col = sc.nextInt();
34+
invertedFullPyramid(row, col);
35+
sc.close();
36+
}
37+
}

‎src/patterns_Programming/core/day_15/InvertedRightAngledTriangle.java‎

Lines changed: 35 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,35 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
4+
Inverted right-angled triangle using `*`
5+
*****
6+
****
7+
***
8+
**
9+
*
10+
11+
*/
12+
import java.util.*;
13+
public class InvertedRightAngledTriangle
14+
{
15+
public static void invertedRightAngleTriangle(int row,int col)
16+
{
17+
for(int i = 1;i<=row;i++)
18+
{
19+
for(int j = col;j>=i;j--)
20+
{
21+
System.out.print("*");
22+
}
23+
System.out.println();
24+
}
25+
}
26+
public static void main(String[] args) {
27+
Scanner sc = new Scanner(System.in);
28+
System.out.println("Enter number of rows :");
29+
int row = sc.nextInt();
30+
System.out.println("Enter number of columns :");
31+
int col = sc.nextInt();
32+
invertedRightAngleTriangle(row, col);
33+
sc.close();
34+
}
35+
}

‎src/patterns_Programming/core/day_15/RightAngledTriangle.java‎

Lines changed: 34 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
Right-angled triangle using `*`
4+
*
5+
**
6+
***
7+
****
8+
*****
9+
*/
10+
import java.util.*;
11+
public class RightAngledTriangle
12+
{
13+
public static void rightAngledTriangle(int row,int col)
14+
{
15+
for(int i = 1;i<=row;i++)
16+
{
17+
for(int j = 1;j<=i;j++)
18+
{
19+
System.out.print("*");
20+
}
21+
System.out.println();
22+
}
23+
}
24+
public static void main(String[] args) {
25+
Scanner sc = new Scanner(System.in);
26+
System.out.println("Enter number of rows :");
27+
int row = sc.nextInt();
28+
System.out.println("Enter number of columns :");
29+
int col = sc.nextInt();
30+
rightAngledTriangle(row, col);
31+
sc.close();
32+
}
33+
34+
}

‎src/patterns_Programming/core/day_15/SolidSquare.java‎

Lines changed: 38 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,38 @@
1+
package patterns_Programming.core.day_15;
2+
/*
3+
Solid square of `*` (5x5)
4+
5+
*****
6+
*****
7+
*****
8+
*****
9+
*****
10+
11+
*/
12+
import java.util.*;
13+
public class SolidSquare
14+
{
15+
public static void solidSquare(int row,int col)
16+
{
17+
for(int i = 1; i <=row;i++)
18+
{
19+
for(int j = 1;j<=col;j++)
20+
{
21+
System.out.print("*");
22+
}
23+
System.out.println();
24+
}
25+
}
26+
public static void main(String[] args)
27+
{
28+
Scanner sc = new Scanner(System.in);
29+
System.out.println("Enter number of rows : ");
30+
int row = sc.nextInt();
31+
System.out.println("Enter number of columns :");
32+
int col = sc.nextInt();
33+
solidSquare(row, col);
34+
sc.close();
35+
36+
}
37+
38+
}

0 commit comments

Comments
 (0)