37 lines
1006 B
Java
37 lines
1006 B
Java
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import java.lang.StringBuilder;
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import java.util.*;
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import java.util.Scanner;
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import javax.swing.*;
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public class HexaToBin {
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private final int LONG_BITS = 8;
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public void convert(String numHex) {
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//String a HexaDecimal:
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int conHex = Integer.parseInt(numHex, 16);
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//Hex a Binary:
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String binary = Integer.toBinaryString(conHex);
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//Presentation:
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System.out.println(numHex + " = " + completeDigits(binary));
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}
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public String completeDigits(String binNum) {
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for (int i = binNum.length(); i < LONG_BITS; i++) {
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binNum = "0" + binNum;
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}
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return binNum;
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}
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public static void main(String[] args) {
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//Testing Numbers:
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String[] hexNums = {"1", "A1", "ef", "BA", "AA", "BB",
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"19", "01", "02", "03", "04"};
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Convert objConvert = new Convert();
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for (String num : hexNums) {
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objConvert.convert(num);
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}
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}
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}
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