Java Patterns

Java – Square Patterns in Java

Pattern Logic 12345123451234512345 for (int i=1 ; i<=5 ; i++){            for (int j=1 ; j<=5 ; j++){                        System.out.print(j);            }            System.out.println();} Pattern Logic 1111122222333334444455555 for (int i=1 ; i<=5 ; i++){            for (int j=1 ; j<=5 ; j++){                        System.out.print(i);            }            System.out.println();} Pattern Logic ************************* for (int i=1 ; i<=5 ; i++){            for (int j=1 ; j<=5 …

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Java – Plus, Cross, Swastik, Diamond Patterns

Pattern: Logic: +++++++++++++++++++++++++++++++++++++++++++++++++ for (int i=1 ; i<=7 ; i++){            for (int j=1 ; j<=7 ; j++)            {                        System.out.print(“+”);            }            System.out.println();} Pattern: Logic: ++++++++           ++           ++           ++           ++           ++++++++ for (int i=1 ; i<=7 ; i++){            for (int j=1 ; j<=7 ; j++){                        if(i==1||i==7||j==1||j==7)                                    System.out.print(“+”);                        else                                    System.out.print(” “);            }            System.out.println();} Pattern: Logic:    …

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Java – Right Triangle Patterns

Pattern: Logic: 112123123412345 for (int i=1 ; i<=5 ; i++){            for (int j=1 ; j<=i ; j++){                        System.out.print(j);            }            System.out.println();} Pattern: Logic: 121321432154321 for (int i=1 ; i<=5 ; i++){            for (int j=i ; j>=1 ; j–){                        System.out.print(j);            }            System.out.println();} Pattern: Logic: 123451234123121 for (int i=5 ; i>=1 ; i–){            for (int j=1 ; j<=i …

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Java – Alphabets and Digits Patterns

Pattern: Code: ZERO for (int i=1 ; i<=7 ; i++){            for (int j=1 ; j<=5 ; j++){                        if(i==1||i==7||j==1||j==5)                                    System.out.print(“+”);                        else                                    System.out.print(” “);            }            System.out.println();} Pattern: Code: ONE for (int i=1 ; i<=7 ; i++){            for (int j=1 ; j<=5 ; j++){                        if(j==4-i || j==3 || i==7)                                    System.out.print(“+”);                        else                                    System.out.print(” “);            }            System.out.println(); Pattern: Code: FOUR …

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Java – Left Triangle Patterns:

Pattern: Code:         1      21    321  432154321 for (int i=1 ; i<=5 ; i++){            for (int j=i ; j<5 ; j++){                        System.out.print(” “);            }            for (int k=i ; k>=1 ; k–){                        System.out.print(k);            }            System.out.println();} Pattern: Code:         5      45    345  2345 12345 for (int i=5 ; i>=1 ; i–){            for (int j=1 ; j<i ; j++){                        System.out.print(” …

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Java – Downward Triangle Patterns

Pattern: Logic: 123451234123121 for (int i=5 ; i>=1 ; i–){            for (int j=1 ; j<=i ; j++){                        System.out.print(j);            }            System.out.println();} Pattern: Logic: 543214321321211 for (int i=5 ; i>=1 ; i–){            for (int j=i ; j>=1 ; j–){                        System.out.print(j);            }            System.out.println();} Pattern: Logic: 111112222333445 for (int i=1 ; i<=5 ; i++){            for (int j=i ; j<=5 …

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Java – Right Downward Patterns

Pattern: Code: 12345  1234    123      12        1 for (int i=5 ; i>=1 ; i–){            for (int j=i ; j<5 ; j++){                        System.out.print(” “);            }            for (int k=1 ; k<=i ; k++){                        System.out.print(k);            }            System.out.println();} Pattern: Code: 12345  2345    345      45        5 for (int i=1 ; i<=5 ; i++){            for (int j=1 ; j<i ; j++){                        System.out.print(” “);            …

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Java – Right Pascal’s Triangle Patterns

Pattern:  ************************* Code: for(int i=1 ; i<10 ; i++){            if(i<=5){                        for(int j=1 ; j<=i ; j++){                                    System.out.print(“*”);                        }                        System.out.println();            }            else{                        for(int k=i ; k<10 ; k++){                                    System.out.print(“*”);                        }                        System.out.println();            }} Pattern: ***************************** Code: for(int i=1 ; i<10 ; i++){            if(i<=5){                        for(int j=i ; j<=5 ; j++){                                    System.out.print(“*”);                        }                        System.out.println();            }            else{                        for(int k=5 ; …

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Java – Left Pascal’s Triangle

Pattern: Code: for(int i=1 ; i<10 ; i++){            if(i<=5){                        for(int x=i ; x<=5 ; x++){                                    System.out.print(” “);                        }                        for(int j=1 ; j<=i ; j++){                                    System.out.print(“*”);                        }                        System.out.println();            }            else{                        for(int x=i ; x>=5 ; x–){                                    System.out.print(” “);                        }                        for(int k=i ; k<10 ; k++){                                    System.out.print(“*”);                        }                        System.out.println();            }} for(int i=1 ; i<10 ; i++){            if(i<=5){                        …

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Java – Triangle Star Patterns

Pattern: Code: int n=7;for(int i=1 ; i<=n ; i++){            for(int j=1 ; j<=i ; j++)            {                        if(i==1 || i==n || j==1 || j==i)                                    System.out.print(“*”);                        else                                    System.out.print(” “);            }            System.out.println();} Pattern: Code: int n=7;for(int i=n ; i>=1 ; i–){            for(int j=1 ; j<=i ; j++){                        if(i==1 || i==n || j==1 || j==i)                                    System.out.print(“*”);                        else                                    System.out.print(” “);            …

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