?? exercise7_9.java
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public class Exercise7_9 { public static void main(String[] args) { System.out.println(convertDecimalToHex(16)); System.out.println(convertDecimalToHex(298)); System.out.println(convertDecimalToHex(9123)); } public static String convertDecimalToHex(int value) { StringBuffer buffer = new StringBuffer(); while (value != 0) { int number = value % 16; char ch = convertToHex(number); buffer.insert(0, ch); value = value / 16; } return buffer.toString(); } public static char convertToHex(int number) { if (number == 10) return 'A'; else if (number == 11) return 'B'; else if (number == 12) return 'C'; else if (number == 13) return 'D'; else if (number == 14) return 'E'; else if (number == 15) return 'F'; return (char)(number + '0'); }}
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