Example usage for java.lang IllegalArgumentException IllegalArgumentException

Introduction

In this page you can find the example usage for java.lang IllegalArgumentException IllegalArgumentException.

Prototype

public IllegalArgumentException()

Source Link

Document

Constructs an IllegalArgumentException with no detail message.

Usage

From source file:Main.java

public static int prevPowerOf2(int n) {
    if (n <= 0)
        throw new IllegalArgumentException();
    return Integer.highestOneBit(n);
}

From source file:Main.java

private static int prevPowerOf2(int n) {
    if (n <= 0) {
        throw new IllegalArgumentException();
    }//ww w .  j a  v a  2s  .  co m
    return Integer.highestOneBit(n);
}

From source file:Main.java

public static void require(boolean requirement) {
    if (!requirement)
        throw new IllegalArgumentException();
}

From source file:Main.java

public static double round(double value, int places) {
    if (places < 0)
        throw new IllegalArgumentException();

    long factor = (long) Math.pow(10, places);
    value = value * factor;/*from w  ww. j a v a2  s  .  com*/
    long tmp = Math.round(value);
    return (double) tmp / factor;
}

From source file:Main.java

private static byte[] byte2hex(byte[] b) {
    if ((b.length % 2) != 0)
        throw new IllegalArgumentException();
    byte[] b2 = new byte[b.length / 2];
    for (int n = 0; n < b.length; n += 2) {
        String item = new String(b, n, 2);
        b2[n / 2] = (byte) Integer.parseInt(item, 16);
    }//  w ww.  j a  v  a 2  s  .  com
    return b2;
}

From source file:Main.java

public static int nextPowerOf2(int n) {
    if (n <= 0 || n > (1 << 30))
        throw new IllegalArgumentException();
    n -= 1;/*  w  w  w.j av a  2 s .  c  om*/
    n |= n >> 16;
    n |= n >> 8;
    n |= n >> 4;
    n |= n >> 2;
    n |= n >> 1;
    return n + 1;
}

From source file:Main.java

public static String toString(Iterable<?> iterable) {
    if (iterable == null)
        throw new IllegalArgumentException();

    StringBuilder sb = new StringBuilder();

    for (Object value : iterable) {
        if (sb.length() > 0) {
            sb.append(", ");
        }/*from  w  ww  .j ava  2 s.com*/

        sb.append(value);
    }

    return sb.toString();
}

From source file:Main.java

public static String getDayFromNumber(int day) {
    if (day < 0 || day > 30)
        throw new IllegalArgumentException();
    if (day <= 10)
        return String.valueOf(Character.toChars(1487 + day));
    else if ((day >= 11 && day <= 14) || (day >= 16 && day <= 19)) {
        char yod = Character.toChars(1497)[0];
        return String.valueOf(new char[] { yod, Character.toChars(1487 + (day - 10))[0] });
    } else if (day == 15 || day == 16) {
        char tet = Character.toChars(1498)[0];
        return String.valueOf(new char[] { tet, Character.toChars(1487 + (day - 9))[0] });
    } else if (day == 20) {
        return String.valueOf(Character.toChars(1499)[0]);
    } else if (day >= 21 && day <= 29) {
        char chaf = Character.toChars(1499)[0];
        return String.valueOf(chaf + Character.toChars(1487 + (day - 20))[0]);
    } else {//from w ww.j  a v a2 s  .  co m
        return String.valueOf(Character.toChars(1500)[0]);
    }

}

From source file:Main.java

public static int prevPowerOf2(final int n) {
    if (n <= 0) {
        throw new IllegalArgumentException();
    }/*from w ww  .  j a v a2s  . c  o  m*/
    return Integer.highestOneBit(n);
}

From source file:Main.java

public static int[] remove(int[] array, int index) {
    if (array == null || array.length == 0) {
        throw new IllegalArgumentException();
    }// w ww  .jav a 2s  . c o  m
    if (index > array.length || index <= 0) {
        throw new IllegalArgumentException();
    }
    int[] dest = new int[array.length - 1];
    System.arraycopy(array, 0, dest, 0, index - 1);
    System.arraycopy(array, index, dest, index - 1, array.length - index);
    return dest;
}