TechSparx Java Tuitions ICSE/JavaSolutionsBank-Patterns-1.0...Java Solutions Bank-Patterns 2010 2...
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Transcript of TechSparx Java Tuitions ICSE/JavaSolutionsBank-Patterns-1.0...Java Solutions Bank-Patterns 2010 2...
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TechSparx Java Tuitions
“Better than a thousand days of diligent study is one day
with a Great Teacher”
Java Solutions Bank – Patterns
(version 1.0) http://techsparx.webs.com/
SaravananG
Java Solutions Bank-Patterns 2010
2 TechSparx Java Tuitions - 9880 205065
Contents
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Java Solutions Bank-Patterns 2010
3 TechSparx Java Tuitions - 9880 205065
public class Pattern01
{
public static void main(String[] args)
{
System.out.println("First Pattern ");
printPattern01();
System.out.println("\nSecond Pattern ");
printPattern02();
System.out.println("\nThird Pattern ");
printPattern03();
System.out.println("\nFourth Pattern ");
printPattern04();
System.out.println("\nFifth Pattern ");
printPattern05();
}
/*
*
* *
* * *
* * * *
* * * * *
*/
public static void printPattern01()
{
int n = 5;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print("*" + " ");
}
System.out.println();
}
}
/*
1
1 1
1 1 1
1 1 1 1
1 1 1 1 1
*/
public static void printPattern02()
{
int n = 5;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print("1" + " ");
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
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/*
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
*/
public static void printPattern03()
{
int n = 5;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print(j + " ");
}
System.out.println();
}
}
/*
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
*/
public static void printPattern04()
{
int n = 5;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print(i + " ");
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
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/*
5
4 4
3 3 3
2 2 2 2
1 1 1 1 1
*/
public static void printPattern05()
{
int n = 5;
int number = n;
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print(number + " ");
}
number--;
System.out.println();
}
}
}
/*
First Pattern
*
* *
* * *
* * * *
* * * * *
Second Pattern
1
1 1
1 1 1
1 1 1 1
1 1 1 1 1
Third Pattern
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Fourth Pattern
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Fifth Pattern
5
4 4
3 3 3
2 2 2 2
1 1 1 1 1
*/
Java Solutions Bank-Patterns 2010
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public class Pattern02
{
public static void main(String[] args)
{
System.out.println("Eleventh Pattern ");
printPattern11();
System.out.println("\Twelfth Pattern ");
printPattern12();
System.out.println("\nThirteenth Pattern ");
printPattern13();
System.out.println("\nFourteenth Pattern ");
printPattern14();
System.out.println("\nFifteenth Pattern ");
printPattern15(); }
/*
* * * * *
* * * *
* * *
* *
*
*/
public static void printPattern11()
{
int n = 5;
for(int i = n; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print("*" + " ");
}
System.out.println();
}
}
/*
2 2 2 2 2
2 2 2 2
2 2 2
2 2
2
*/
public static void printPattern12()
{
int n = 5;
for(int i = n; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print("2" + " ");
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
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/* 1 2 3 4 5
1 2 3 4
1 2 3
1 2
1 */
public static void printPattern13()
{
int n = 5;
for(int i = n; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print(j + " ");
}
System.out.println();
}
}
/* 5 5 5 5 5
4 4 4 4
3 3 3
2 2
1 */
public static void printPattern14()
{
int n = 5;
for(int i = n; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print(i + " ");
}
System.out.println();
}
}
/* 1 1 1 1 1
2 2 2 2
3 3 3
4 4
5 */
public static void printPattern15()
{
int n = 5;
int number = 1;
for(int i = n; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print(number + " ");
}
number++;
System.out.println();
}
}
}
Java Solutions Bank-Patterns 2010
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/*
Eleventh Pattern
* * * * *
* * * *
* * *
* *
*
Twelfth Pattern
2 2 2 2 2
2 2 2 2
2 2 2
2 2
2
Thirteenth Pattern
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Fourteenth Pattern
5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
Fifteenth Pattern
1 1 1 1 1
2 2 2 2
3 3 3
4 4
5
*/
Java Solutions Bank-Patterns 2010
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public class Pattern03
{
public static void main(String[] args)
{
System.out.println("Twenty First Pattern ");
printPattern21();
System.out.println("\nTwenty Second Pattern ");
printPattern22();
System.out.println("\nTwenty Third Pattern ");
printPattern23(); }
/*
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
*/
public static void printPattern21()
{
int n = 5;
//Loop to print the upper half
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print("*" + " ");
}
System.out.println();
}
//Loop to print the lower half
for(int i = n-1; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print("*" + " ");
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
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/*
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
*/
public static void printPattern22()
{
int n = 5;
//Loop to print the upper half
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print(j + " ");
}
System.out.println();
}
//Loop to print the lower half
for(int i = n-1; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print(j + " ");
}
System.out.println();
}
}
/*
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
*/
public static void printPattern23()
{
int n = 5;
//Loop to print the upper half
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= i; j++)
{
System.out.print(i + " ");
}
System.out.println();
}
Java Solutions Bank-Patterns 2010
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//Loop to print the lower half
for(int i = n-1; i >= 1; i--)
{
for(int j = 1; j <= i; j++)
{
System.out.print(i + " ");
}
System.out.println();
}
}
}
/*
Twenty First Pattern
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
Twenty Second Pattern
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
1 2 3 4
1 2 3
1 2
1
Twenty Third Pattern
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
4 4 4 4
3 3 3
2 2
1
*/
Java Solutions Bank-Patterns 2010
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public class Pattern04
{
public static void main(String[] args)
{
System.out.println("Thirty First Pattern ");
printPattern31();
System.out.println("\nThirty Second Pattern ");
printPattern32();
System.out.println("\nThirty Third Pattern ");
printPattern33();
}
/*
*
* *
* * *
* * * *
* * * * *
*/
public static void printPattern31()
{
int n = 5;
int numOfSpaces = n-1;
for(int i = 1; i <= n; i++)
{
//Loop to print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//Loop to print the stars
for(int j = 1; j <= i; j++)
{
System.out.print(" *"); //Note: Space before star
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
13 TechSparx Java Tuitions - 9880 205065
/*
* * * * *
* * * *
* * *
* *
*
*/
public static void printPattern32()
{
int n = 5;
int numOfSpaces = 0;
for(int i = n; i >= 1; i--)
{
//Loop to print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//Loop to print the stars
for(int j = 1; j <= i; j++)
{
System.out.print(" *"); //Note: Space before star
}
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
14 TechSparx Java Tuitions - 9880 205065
/*
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
*/
public static void printPattern33()
{
int n = 5;
int numOfSpaces = n-1;
//Loop to print the upper half of pattern
for(int i = 1; i <= n; i++)
{
//Loop to print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//Loop to print the stars
for(int j = 1; j <= i; j++)
{
System.out.print(" *"); //Note: Space before star
}
System.out.println();
}
//Loop to print the lower half of pattern
numOfSpaces = 1;
for(int i = n - 1; i >= 1; i--)
{
//Loop to print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//Loop to print the stars
for(int j = 1; j <= i; j++)
{
System.out.print(" *"); //Note: Space before star
}
System.out.println();
}
}
}
Java Solutions Bank-Patterns 2010
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/*
Thirty First Pattern
*
* *
* * *
* * * *
* * * * *
Thirty Second Pattern
* * * * *
* * * *
* * *
* *
*
Thirty Third Pattern
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
*/
Java Solutions Bank-Patterns 2010
16 TechSparx Java Tuitions - 9880 205065
public class Pattern05
{
public static void main(String[] args)
{
System.out.println("Forty First Pattern ");
printPattern41();
System.out.println("\nForty Second Pattern ");
printPattern42();
System.out.println("\nForty Third Pattern ");
printPattern43();
}
/*
*
***
*****
*******
*********
*/
public static void printPattern41()
{
int n = 5;
int numOfSpaces = n - 1;
int numOfStars = 1;
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//print the stars
for(int j = 1; j <= numOfStars; j++)
{
System.out.print("*");
}
numOfStars += 2;
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
17 TechSparx Java Tuitions - 9880 205065
/*
*********
*******
*****
***
*
*/
public static void printPattern42()
{
int n = 5;
int numOfSpaces = 0;
int numOfStars = 9;
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//print the stars
for(int j = 1; j <= numOfStars; j++)
{
System.out.print("*");
}
numOfStars -= 2;
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
18 TechSparx Java Tuitions - 9880 205065
/*
*
***
*****
*******
*********
*******
*****
***
*
*/
public static void printPattern43()
{
int n = 5;
int numOfSpaces = n - 1;
int numOfStars = 1;
//Loop to print the upper half of the stars
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//print the stars
for(int j = 1; j <= numOfStars; j++)
{
System.out.print("*");
}
numOfStars += 2;
System.out.println();
}
numOfSpaces = 1;
numOfStars -=4;
//Loop to print the lower half of the stars
for(int i = 1; i <= n-1; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//print the stars
for(int j = 1; j <= numOfStars; j++)
{
System.out.print("*");
}
numOfStars -= 2;
System.out.println();
}
}
}
Java Solutions Bank-Patterns 2010
19 TechSparx Java Tuitions - 9880 205065
/*
Forty First Pattern
*
***
*****
*******
*********
Forty Second Pattern
*********
*******
*****
***
*
Forty Third Pattern
*
***
*****
*******
*********
*******
*****
***
*
*/
Java Solutions Bank-Patterns 2010
20 TechSparx Java Tuitions - 9880 205065
public class Pattern06
{
public static void main(String[] args)
{
System.out.println("Fifty First Pattern ");
printPattern51();
System.out.println("\nFifty Second Pattern ");
printPattern52();
System.out.println("\nFifty Third Pattern ");
printPattern53();
}
/*
1
121
12321
1234321
123454321
*/
private static void printPattern51()
{
int n = 5;
int numOfSpaces = n - 1;
int middleNumber = 1;
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//print the first half of the numbers of the current row
for(int j = 1; j <= middleNumber; j++)
{
System.out.print(j);
}
//print the second half of the numbers of the current row
for(int j = middleNumber-1 ; j >= 1; j--)
{
System.out.print(j);
}
middleNumber++;
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
21 TechSparx Java Tuitions - 9880 205065
/*
123454321
1234321
12321
121
1
*/
private static void printPattern52()
{
int n = 5;
int numOfSpaces = 0;
int middleNumber = n;
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//print the first half of the numbers of the current row
for(int j = 1; j <= middleNumber; j++)
{
System.out.print(j);
}
//print the second half of the numbers of the current row
for(int j = middleNumber-1 ; j >= 1; j--)
{
System.out.print(j);
}
middleNumber--;
System.out.println();
}
}
Java Solutions Bank-Patterns 2010
22 TechSparx Java Tuitions - 9880 205065
/*
1
121
12321
1234321
123454321
1234321
12321
121
1
*/
private static void printPattern53()
{
int n = 5;
int numOfSpaces = n - 1;
int middleNumber = 1;
//Loop to print the upper half of the pattern
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//print the first half of the numbers of the current row
for(int j = 1; j <= middleNumber; j++)
{
System.out.print(j);
}
//print the second half of the numbers of the current row
for(int j = middleNumber-1 ; j >= 1; j--)
{
System.out.print(j);
}
middleNumber++;
System.out.println();
}
numOfSpaces = 1;
middleNumber = n-1;
//Loop to print the Lower half of the pattern
for(int i = 1; i <= n-1; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces++;
//print the first half of the numbers of the current row
for(int j = 1; j <= middleNumber; j++)
{
System.out.print(j);
}
Java Solutions Bank-Patterns 2010
23 TechSparx Java Tuitions - 9880 205065
//print the second half of the numbers of the current row
for(int j = middleNumber-1 ; j >= 1; j--)
{
System.out.print(j);
}
middleNumber--;
System.out.println();
}
}
}
/*
Fifty First Pattern
1
121
12321
1234321
123454321
Fifty Second Pattern
123454321
1234321
12321
121
1
Fifty Third Pattern
1
121
12321
1234321
123454321
1234321
12321
121
1
*/
Java Solutions Bank-Patterns 2010
24 TechSparx Java Tuitions - 9880 205065
public class Pattern07
{
public static void main(String[] args)
{
System.out.println("Sixty First Pattern");
printPattern61();
}
/*
A
ABA
ABCBA
ABCDCBA
ABCDEDCBA
ABCDCBA
ABCBA
ABA
A
*/
private static void printPattern61()
{
int n = 5;
int numOfSpaces = n - 1;
char middleLetter = 'A';
for(int i = 1; i <= n; i++)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
{
System.out.print(" ");
}
numOfSpaces--;
//print the first half of the letters of the current row
for(char j = 'A'; j <= middleLetter; j++)
{
System.out.print(j);
}
//print the second half of the letters of the current row
for(char j = (char)(middleLetter - 1); j >= 'A'; j--)
{
System.out.print(j);
}
middleLetter++;
System.out.println();
}
//Loop to print the lower half of the pattern
n = n - 1;
numOfSpaces = 1;
middleLetter -= 2;
for(int i = n; i >= 1; i--)
{
//print the spaces
for(int j = 1; j <= numOfSpaces; j++)
Java Solutions Bank-Patterns 2010
25 TechSparx Java Tuitions - 9880 205065
{
System.out.print(" ");
}
numOfSpaces++;
//print the first half of the letters of the current row
for(char j = 'A'; j <= middleLetter; j++)
{
System.out.print(j);
}
//print the second half of the letters of the current row
for(char j = (char)(middleLetter - 1); j >= 'A'; j--)
{
System.out.print(j);
}
middleLetter--;
System.out.println();
}
}
}
/*
Sixty First Pattern
A
ABA
ABCBA
ABCDCBA
ABCDEDCBA
ABCDCBA
ABCBA
ABA
A
*/
Java Solutions Bank-Patterns 2010
26 TechSparx Java Tuitions - 9880 205065
I am Saravanan.G, TechSparx is my start-up.
I have completed Bachelor of Engineering in Computer Science and
working as a Senior Software Engineer in a MNC
My passion is teaching!
I love teaching programming languages like C, C++ and Java.
My motto is to provide Corporate Level Training to School and
Engineering College Students.
If you want to learn the ART of programming in C, C++ or JAVA easily!!!
Then feel free to call me@ 9880 205065 or mail me
I conduct classes in the following locations
Manipal institute of Computer Education
213/60, 11th Cross, Next to Canara Bank, Opp.
Brand Factory, Wilson Garden, Bangalore – 27
Vonov Technologies
Maratha Halli, Bangalore
For more information visit www.techsparx.webs.com
