Merge pull request TheAlgorithms#734 from nbdgit/Development

yanglbme · web-flow · commit 0c015fc6053d · 2019-05-10T15:12:14.000+08:00
Added Binary to Gray code conversion
diff --git a/src/main/java/com/conversions/BinaryToGray.java b/src/main/java/com/conversions/BinaryToGray.java
@@ -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();
+	}
+
+}
diff --git a/src/test/java/com/conversions/BinaryToGrayTest.java b/src/test/java/com/conversions/BinaryToGrayTest.java
@@ -0,0 +1,18 @@
+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"));
+	}
+	
+}
