Java Utililty Methods Number Minus

List of utility methods to do Number Minus

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Description

The list of methods to do Number Minus are organized into topic(s).

Method

Stringminus(String second, String first)
minus 
try {
    return String.valueOf(Integer.parseInt(first) - Integer.parseInt(second));
} catch (NumberFormatException e) {
    try {
        return String.valueOf(Double.parseDouble(first) - Double.parseDouble(second));
    } catch (NumberFormatException e2) {
        throw new IllegalArgumentException(first + " - " + second);
intminus128(int v)
minus 
return (int) (v - 128);
charminuscula(char c)
minuscula 
if (c >= 65 && c <= 90) {
    return (char) (c + 32);
} else {
    return c;
charminusculas(char c)
Metodo minusculas: Convierte a minusculas el caracter recibido y luego lo retorna 
return Character.toLowerCase(c);
intminusDayOfWeek(int dow, long days)
minus Day Of Week 
return plusDayOfWeek(dow, -(days % 7));
voidminusEquals(double[] w, double v)
w[i] = w[i] - v 
for (int i = 0; i < w.length; i++) {
    w[i] -= w[i] + v;
voidminusEquals(int[] vals, int min)
minus Equals 
for (int i = 0; i < vals.length; i++) {
    vals[i] -= min;
voidminusEqualsInverse(double[] w, double[] v, double a)
v = w - a*v 
for (int i = 0; i < w.length; i++) {
    v[i] = w[i] - a * v[i];
intminusExact(final int a, final int b)
minus Exact 
final int diff = a - b;
if (((a ^ b) & (a ^ diff)) < 0) {
    throw new ArithmeticException("integer overflow");
return diff;
longminusExact(long a, long b)
minus Exact 
if ((a ^ b) >= 0) { 
    return a - b;
} else {
    long diff = a - b;
    if ((a ^ diff) < 0) {
        throw new ArithmeticException("overflow: " + a + "-" + b);
    } else {
        return diff;
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