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Added Binary to Gray code conversion #734

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Merged
merged 4 commits into from
May 10, 2019
Merged

Added Binary to Gray code conversion #734

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91c1992
Commit BinaryToGray
nbdgit Apr 14, 2019
3b72294
Commit BinaryToGrayTest
nbdgit Apr 14, 2019
230f04f
Apply suggestions from code review
havanagrawal May 2, 2019
f5754d3
Add StringBuilder class
nbdgit May 3, 2019
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28 changes: 28 additions & 0 deletions src/main/java/com/conversions/BinaryToGray.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
package src.main.java.com.conversions;

public class BinaryToGray
{
/* This method convert the binary number into gray code
@param binarycode need to convert binary number into gray code
@return graycode return as string
*/

public String binaryToGray(String binarycode)
{

StringBuilder graycode = new StringBuilder(Character.toString(binarycode.charAt(0)));

for(int i = 0; i < binarycode.length() - 1; i++)
{

if (binarycode.charAt(i) == binarycode.charAt(i+1))
graycode.append("0");
else
graycode.append("1");

}

return graycode.toString();
}

}
18 changes: 18 additions & 0 deletions src/test/java/com/conversions/BinaryToGrayTest.java
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package src.test.java.com.conversions;

import src.main.java.com.conversions.BinaryToGray;
import org.junit.Test;
import static org.junit.Assert.assertEquals;

public class BinaryToGrayTest
{

@Test
public void testBinaryToGray()
{
BinaryToGray btog = new BinaryToGray();
assertEquals("1101", btog.binaryToGray("1001"));
assertEquals("11010011101",btog.binaryToGray("10011101001"));
}

}