Eclipse java write a program that computes a css color.

 // function to convert decimal to hexadecimal
 static String decToHexa(int n) {
 // char array to store hexadecimal number
 char[] hexaDeciNum = new char[2];

 // counter for hexadecimal number array
 int i = 0;
 while (n != 0) {

 // temporary variable to store remainder
 int temp = 0;

 // storing remainder in temp variable.
 temp = n % 16;

 // check if temp < 10
 if (temp < 10) {
 hexaDeciNum[i] = (char) (temp + 48);
 i++;
 } else {
 hexaDeciNum[i] = (char) (temp + 55);
 i++;
 }

 n = n / 16;
 }

 String hexCode = "";
 if (i == 2) {
 hexCode += hexaDeciNum[0];
 hexCode += hexaDeciNum[1];
 } else if (i == 1) {
 hexCode = "0";
 hexCode += hexaDeciNum[0];
 } else if (i == 0)
 hexCode = "00";

 // Return the equivalent
 // hexadecimal color code
 return hexCode;
 }

 // Function to convert the
 // RGB code to Hex color code
 static String convertRGBtoHex(int R, int G, int B) {
 if ((R >= 0 && R <= 255) && (G >= 0 && G <= 255) && (B >= 0 && B <= 255)) {

 String hexCode = "#";
 hexCode += decToHexa(R);
 hexCode += decToHexa(G);
 hexCode += decToHexa(B);

 return hexCode;
 }

 // The hex color code doesn't exist
 else
 return "-1";
 }

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