Sparkline in unicode: Difference between revisions

</pre>

=={{header|Java}}==

<lang java>

public class Sparkline

{

String bars="▁▂▃▄▅▆▇█";

public static void main(String[] args)

{

Sparkline now=new Sparkline();

float[] arr={1, 2, 3, 4, 5, 6, 7, 8, 7, 6, 5, 4, 3, 2, 1};

now.display1D(arr);

System.out.println(now.getSparkline(arr));

float[] arr1={1.5f, 0.5f, 3.5f, 2.5f, 5.5f, 4.5f, 7.5f, 6.5f};

now.display1D(arr1);

System.out.println(now.getSparkline(arr1));

}

public void display1D(float[] arr)

{

for(int i=0;i<arr.length;i++)

System.out.print(arr[i]+" ");

System.out.println();

}

public String getSparkline(float[] arr)

{

float min=Integer.MAX_VALUE;

float max=Integer.MIN_VALUE;

for(int i=0;i<arr.length;i++)

{

if(arr[i]<min)

min=arr[i];

if(arr[i]>max)

max=arr[i];

}

float range=max-min;

int num=bars.length()-1;

String line="";

for(int i=0;i<arr.length;i++)

{

line+=bars.charAt((int)Math.ceil(((arr[i]-min)/range*num)));

}

return line;

}

}

</lang>

Output:

<pre>

1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0

▁▂▃▄▅▆▇█▇▆▅▄▃▂▁

1.5 0.5 3.5 2.5 5.5 4.5 7.5 6.5

▂▁▄▃▆▅█▇