simple java problem

[analoveu]

I need a piece of code that solve the following problem:
I wanna print this shape

1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 2 1
1 2 1
1

[r035198x]

I need a piece of code that solve the following problem:
I wanna print this shape

1
1 2 1
1 2 3 2 1
1 2 3 4 3 2 1
1 2 3 2 1
1 2 1
1

What have you tried so far?

[analoveu]

some one help me ,just I need the code that perform this problem
I thought about it ,I develped the code that solve the upper part but it wasn't logical solution

[analoveu]

for(int i=1;i<=4;i++)
{
for(int k=1;k<=i;k++)
{
System.out.prin t(k);
for(int j=k ; j!=1 && k==i && k!=1;)
System.out.prin t(--j);
}

System.out.prin t("/n");
}

for(i=i-1;i!=1;i--)
{
for(k=1;k<=i;k+ +)
{
System.out.prin t(k);
for(j=k;j!=1&&k ==i-1&&k!=1;)
System.out.prin t(--j);
}

System.out.prin t("/n");
}

[analoveu]

the part of the bold code it perform the upper part , but the remainder of the code won't perform because the next for won't take the value of the first for ,so it will not solve the problem

[r035198x]

for(int i=1;i<=4;i++)
{
for(int k=1;k<=i;k++)
{
System.out.prin t(k);
for(int j=k ; j!=1 && k==i && k!=1;)
System.out.prin t(--j);
}

System.out.prin t("/n");
}

for(i=i-1;i!=1;i--)
{
for(k=1;k<=i;k+ +)
{
System.out.prin t(k);
for(j=k;j!=1&&k ==i-1&&k!=1;)
System.out.prin t(--j);
}

System.out.prin t("/n");
}

Next time you post code please use code tags.

Up then down

class DiamondNumbers {
     public static void main(String[] args) {
		 int n = 4;
		 int i = 1;
		 while(i < 5) {
			 for(int k = 0; k < n;k++) {
			 	System.out.print(" ");
			 }
	   	     for(int l = 1; l < i; l++) {
			 	System.out.print(""+l);
			 }
			 for(int l = i; l > 0; l--) {
			   	System.out.print(""+l);
			 }
			 i++;
			 n--;
			 System.out.println();
		 }

		 //Reverse
		 i = 3;
		 n = 2;
		 while(i > 0) {
		 	 for(int k = 0; k < n;k++) {
		 	 	System.out.print(" ");
		 	 }
		     for(int l = 1; l < i; l++) {
		 	 	System.out.print(""+l);
		 	 }
		 	 for(int l = i; l > 0; l--) {
		 	   	System.out.print(""+l);
		 	 }
		 	 i--;
		 	 n++;
		 	 System.out.println();
		 }
	}
}

Up and down combined (sort of)

class DiamondNumbers {
     public static void main(String[] args) {
		 int n = 4;
		 int i = 1;
		 int x = -1;
		 boolean up = true;

		 while((i < 6 && up) || (i > 0 && !up)) {
			 for(int k = 0; k < n;k++) {
			 	System.out.print(" ");
			 }
	   	     for(int l = 1; l < i; l++) {
			 	System.out.print(""+l);
			 }
			 for(int l = i; l > 0; l--) {
			   	System.out.print(""+l);
			 }
			 if(up) {
				 i++;
			 	 n--;
			 }
			 else {
				 i--;
				 n++;
			 }
			 System.out.println();
			 if(i == 5) {
				 up = false;
				 n = 2;
				 i = 3;
			 }
		 }

	}
}