update binaryToGray

yanglbme · yanglbme · commit 184f644bd705 · 2019-05-10T15:16:01.000+08:00
diff --git a/src/main/java/com/conversions/BinaryToGray.java b/src/main/java/com/conversions/BinaryToGray.java
@@ -1,28 +1,26 @@
 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
-	*/
+/**
+ * Convert the binary number into gray code
+ */
+public class BinaryToGray {
 
-	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();
-	}
+    /**
+     * convert the binary number into gray code
+     *
+     * @param binaryCode binary number
+     * @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
@@ -2,17 +2,16 @@
 
 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"));
-	}
-	
+public class BinaryToGrayTest {
+
+    @Test
+    public void testBinaryToGray() {
+        BinaryToGray binaryToGray = new BinaryToGray();
+        assertEquals("1101", binaryToGray.binaryToGray("1001"));
+        assertEquals("11010011101", binaryToGray.binaryToGray("10011101001"));
+    }
+
 }
