DEV Community

hema latha
hema latha

Posted on • Edited on

For loop number patturn

public class Forloop {

    public static void main(String[] args) {



        pattern_n();
        pattern2();
        pattern3();
        pattern4();
        pattern5();
        pattern6();
        pattern7();
        pattern8();
        pattern9();
        pattern10();
        //patternN();
        //patternH();


        // TODO Auto-generated method stub      
}
    private static void pattern10() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            { 
if(col==1||col==4 ||col==9 ||line==1 && col>4 ||line==9 &&col>4 ) 
                System.out.print("* ");
            else {
                System.out.print("  ");
            }}
        System.out.println();
    }}
    private static void pattern9() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            { 
                if(line==1 ||col==1&&line<=5||line==5||col==9)
                    System.out.print("* ");
                else 
                    System.out.print("  ");
                            }
            System.out.println();
    }}
    private static void pattern8() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            { 
if(line==1  ||line == 9||line==5 || col==1 ||col==9)
                System.out.print("* ");
                else 
                    System.out.print("  ");

                }
                System.out.println();
            }
    }
    private static void pattern7() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
                if(line==1 ||col==9)
                {System.out.print("* ");
                }
                else {System.out.print("  ");
            }}
            System.out.println();
    }}
    private static void pattern6() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if (line==1 ||col ==1 ||line==9||line==5||col==9&&line>5)

            {System.out.print("* ");}
                else {
                    System.out.print("  ");}}
        System.out.println();
    }}
    private static void pattern5() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
if(line==1 || line==9 || line==5||col==9&& line>=6 || col==1 && line<=5)
                    {System.out.print("* ");}
                else {
                    System.out.print("  ");
            }}
                System.out.println();}
            }

    private static void pattern4() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
                if(col==1&&line<6||line==6|| col==5)
                    System.out.print("* ");
                else 
                    System.out.print("  ");
            }
                System.out.println();
            }
    }
    private static void pattern2() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
     if(line==1||col==9 && line<=5 ||line==5||line==9||col==1&& line>=5)
                    {System.out.print("* ");
                }
                else {
                    System.out.print("  ");}}
                    System.out.println();
    }}
    private static void pattern3() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if(line==1||line==9||line==5 ||col==9)
                System.out.print("* ");
            else 
                    if((col==1 && col>5) ||(col==1 && col>6))     
                    System.out.print("* ");
                    else
                        System.out.print("  ");}
                      System.out.println();

    }}

    private static void pattern_n() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if(  col == 5 ||line==9 || col+line==6)
                System.out.print("* ");
            else 

                    System.out.print("  ");}
    System.out.println();

    }}

    private static void patternN() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if(  col == 1 ||col==9  || line==col)
                System.out.print("* ");
            else 

                    System.out.print("  ");}
    System.out.println();

    }}

    private static void patternH() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if(  col == 1 ||col==9 ||line==5 )
                System.out.print("* ");
            else 

                    System.out.print("  ");}
    System.out.println();

    }}
    private static void pattern1() {
        // TODO Auto-generated method stub
        for(int line = 1; line<=9; line++)
        {
            for(int col=1; col<=9; col++)
            {
    if( line==1 || line==9 || col == 1 ||col==9 ||line==col |line+col==10)
                System.out.print("* ");
            else 

                    System.out.print("  ");}
    System.out.println();
                }}}

Enter fullscreen mode Exit fullscreen mode

Top comments (0)