Write Two Java Methods Convert 2 S Complement Binary Number Decimal Vice Versa Must Write Q43864974
Write two Java methods to convert a 2’s complement binary numberto decimal and vice versa. You must write JUnit tests to test thecorresponding code. Test for different size binary numbers anddecimals. DO NOT use any shortcuts or predefinedmethods other than Math class methods. The method declarations touse are also provided below. You may create helper methods toremove the redundancy but the method signatures of those belowcannot be changed.
// Takes an array of bits to returnthe corresponding
// decimal equivalent.
public static int convert2sCompToDecimal(char[] bits)
// Takes a decimal and returns the 2scomplement equivalent.
// Assume that the decimalvalue won’t require more than 16 bits.
public static char[]convertDecimalTo2sComp(int decimal)
Here’s a sample JUnit test for one of the methods above.
@Test
public void testNegative2sComp() {
char data[] = {‘1’, ‘0’, ‘1’, ‘0’, ‘0’};
assertEquals(-12,Convert.convert2sCompToDecimal(data));
}
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