Programming Project 6.7 a,b,c,d star.java

Programming Project 6.7 a, 6.7 b, 6.7 c, 6.7 d... star.java

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//*************************************************************
// stars_a.java
// Programming Project 6.7 a
//*************************************************************
package stars_a;
public class stars_a {

public static void main(String[]args)
{
for (int row = 0; row < 11; ++row)
{
for (int space = 0; space < 11 - row - 1; ++space)
{
System.out.print("*");
}
for (int stars = 10; stars < row + 1; ++stars)
{
System.out.print(" ");
}
System.out.println();
}}}

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//**************************************************************

// stars_b.java   

// Programming Project 6.7 b

//**************************************************************

package stars_b;

public class stars_b {

public static void main(String[]args)

{

for (int row = 0; row < 11; ++row) 

{  

for (int space = 0; space < 11 - row; ++space) 

{  

System.out.print(" ");  

}  

for (int stars = 0; stars < row; ++stars) {  

System.out.print("*");  

}  

System.out.println();  

}}}

=============================================================

//************************************************************

// stars_c.java   

// Programming Project 6.7 c

//************************************************************

package stars_c;

public class stars_c {

public static void main(String[]args){

for (int row = 0; row < 10; ++row )

{

for (int spaces = 10; spaces > 10 - row - 1; --spaces)

{

System.out.print(" ");

}

for (int stars = 10; stars > row; --stars)

{

System.out.print("*");

}

System.out.println();

}}}

============================================================

//*************************************************************

// stars_d.java   

// Programming Project 6.7 d

//*************************************************************

package stars_d;

public class stars_d {

public static void main(String[] args) {

    for (int i = 1; i < 11; i += 2) {

      for (int j = 0; j < 10 - i / 2; j++)

        System.out.print(" ");

      for (int j = 0; j < i; j++)

        System.out.print("*");

      System.out.print("\n");

    }

    for (int i = 9; i > 0; i -= 2) {

      for (int j = 0; j < 10 - i / 2; j++)

        System.out.print(" ");

      for (int j = 0; j < i; j++)

        System.out.print("*");

      System.out.print("\n");

    }}}