Философия Java


Класс Arrays - часть 3


public static void fill(Object[] a, Generator gen) { fill(a, 0, a.length, gen); } public static void fill(Object[] a, int from, int to, Generator gen){ for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(boolean[] a, BooleanGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(boolean[] a, int from, int to, BooleanGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(byte[] a, ByteGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(byte[] a, int from, int to, ByteGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(char[] a, CharGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(char[] a, int from, int to, CharGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(short[] a, ShortGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(short[] a, int from, int to, ShortGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(int[] a, IntGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(int[] a, int from, int to, IntGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(long[] a, LongGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(long[] a, int from, int to, LongGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(float[] a, FloatGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(float[] a, int from, int to, FloatGenerator gen) { for(int i = from; i < to; i++) a[i] = gen.next(); } public static void fill(double[] a, DoubleGenerator gen) { fill(a, 0, a.length, gen); } public static void fill(double[] a, int from, int to, DoubleGenerator gen){ for(int i = from; i < to; i++) a[i] = gen.next(); } private static Random r = new Random(); public static class RandBooleanGenerator implements BooleanGenerator { public boolean next() { return r.nextBoolean(); } } public static class RandByteGenerator implements ByteGenerator { public byte next() { return (byte)r.nextInt(); } } static String ssource = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz"; static char[] src = ssource.toCharArray(); public static class RandCharGenerator implements CharGenerator { public char next() { int pos = Math.abs(r.nextInt()); return src[pos % src.length]; } } public static class RandStringGenerator implements Generator { private int len; private RandCharGenerator cg = new RandCharGenerator(); public RandStringGenerator(int length) { len = length; } public Object next() { char[] buf = new char[len]; for(int i = 0; i < len; i++) buf[i] = cg.next(); return new String(buf); } } public static class RandShortGenerator implements ShortGenerator { public short next() { return (short)r.nextInt(); } } public static class RandIntGenerator implements IntGenerator { private int mod = 10000; public RandIntGenerator() {} public RandIntGenerator(int modulo) { mod = modulo; } public int next() { return r.nextInt() % mod; } } public static class RandLongGenerator implements LongGenerator { public long next() { return r.nextLong(); } } public static class RandFloatGenerator implements FloatGenerator { public float next() { return r.nextFloat(); } } public static class RandDoubleGenerator implements DoubleGenerator { public double next() {return r.nextDouble();} } } ///:~




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