Algorithms/JavaAlgorithms
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update binaryToGray

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This commit is contained in:
yanglbme 2019-05-10 15:16:01 +08:00
parent 0c015fc605
commit 184f644bd7
2 changed files with 31 additions and 34 deletions
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42
src/main/java/com/conversions/BinaryToGray.java
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@ -1,28 +1,26 @@
package src.main.java.com.conversions; package src.main.java.com.conversions;
public class BinaryToGray /**
{ * Convert the binary number into gray code
/* This method convert the binary number into gray code */
@param binarycode need to convert binary number into gray code public class BinaryToGray {
@return graycode return as string
*/
public String binaryToGray(String binarycode) /**
{ * 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)));
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))
for(int i = 0; i < binarycode.length() - 1; i++) grayCode.append("0");
{ else
grayCode.append("1");
if (binarycode.charAt(i) == binarycode.charAt(i+1)) }
graycode.append("0"); return grayCode.toString();
else }
graycode.append("1");
}
return graycode.toString();
}
} }

17
src/test/java/com/conversions/BinaryToGrayTest.java
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@ -2,17 +2,16 @@ package src.test.java.com.conversions;
import src.main.java.com.conversions.BinaryToGray; import src.main.java.com.conversions.BinaryToGray;
import org.junit.Test; import org.junit.Test;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertEquals;
public class BinaryToGrayTest public class BinaryToGrayTest {
{
@Test @Test
public void testBinaryToGray() public void testBinaryToGray() {
{ BinaryToGray binaryToGray = new BinaryToGray();
BinaryToGray btog = new BinaryToGray(); assertEquals("1101", binaryToGray.binaryToGray("1001"));
assertEquals("1101", btog.binaryToGray("1001")); assertEquals("11010011101", binaryToGray.binaryToGray("10011101001"));
assertEquals("11010011101",btog.binaryToGray("10011101001")); }
}
} }