Add StringBuilder class
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@ -10,19 +10,19 @@ public class BinaryToGray
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public String binaryToGray(String binarycode)
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{
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String graycode = Character.toString(binarycode.charAt(0));
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StringBuilder graycode = new StringBuilder(Character.toString(binarycode.charAt(0)));
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for(int i = 0; i < binarycode.length() - 1; i++)
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{
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if (binarycode.charAt(i) == binarycode.charAt(i+1))
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graycode = graycode + "0";
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graycode.append("0");
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else
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graycode = graycode + "1";
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graycode.append("1");
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}
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return graycode;
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return graycode.toString();
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}
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}
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