diff options
-rw-r--r-- | luni/src/main/java/java/lang/Object.java | 6 | ||||
-rw-r--r-- | luni/src/main/java/java/util/Formatter.java | 2 | ||||
-rw-r--r-- | luni/src/main/java/java/util/Random.java | 85 | ||||
-rw-r--r-- | luni/src/main/java/java/util/regex/Pattern.java | 12 |
4 files changed, 26 insertions, 79 deletions
diff --git a/luni/src/main/java/java/lang/Object.java b/luni/src/main/java/java/lang/Object.java index 233a7ef..6a979bb 100644 --- a/luni/src/main/java/java/lang/Object.java +++ b/luni/src/main/java/java/lang/Object.java @@ -171,7 +171,7 @@ public class Object { * Also, no object reference other than null is equal to null. * * <p>The default implementation returns {@code true} only if {@code this == - * o}. See <a href="#writing_equals">Writing a correct {@code equals} method</a> + * o}. See <a href="{@docRoot}/reference/java/lang/Object.html#writing_equals">Writing a correct {@code equals} method</a> * if you intend implementing your own {@code equals} method. * * <p>The general contract for the {@code equals} and {@link @@ -245,7 +245,7 @@ public class Object { * <p>Note that hash values must not change over time unless information used in equals * comparisons also changes. * - * <p>See <a href="#writing_hashCode">Writing a correct {@code hashCode} method</a> + * <p>See <a href="{@docRoot}/reference/java/lang/Object.html#writing_hashCode">Writing a correct {@code hashCode} method</a> * if you intend implementing your own {@code hashCode} method. * * @return this object's hash code. @@ -317,7 +317,7 @@ public class Object { * default implementation is equivalent to the following expression: * <pre> * getClass().getName() + '@' + Integer.toHexString(hashCode())</pre> - * <p>See <a href="#writing_toString">Writing a useful {@code toString} method</a> + * <p>See <a href="{@docRoot}/reference/java/lang/Object.html#writing_toString">Writing a useful {@code toString} method</a> * if you intend implementing your own {@code toString} method. * * @return a printable representation of this object. diff --git a/luni/src/main/java/java/util/Formatter.java b/luni/src/main/java/java/util/Formatter.java index 6825420..490ae8e 100644 --- a/luni/src/main/java/java/util/Formatter.java +++ b/luni/src/main/java/java/util/Formatter.java @@ -65,7 +65,7 @@ import libcore.io.IoUtils; * different order in the output than the order in which they were supplied. * For example, {@code "%4$s"} formats the fourth argument ({@code 4$}) as a string ({@code s}). * It's also possible to reuse an argument with {@code <}. For example, - * {@code format("%o %<d %<x", 64)} results in {@code "100 64 40"}. + * {@code format("%o %<d %<x", 64)} results in {@code "100 64 40"}. * <p> * <i>Flags</i>. The available flags are: * <p> diff --git a/luni/src/main/java/java/util/Random.java b/luni/src/main/java/java/util/Random.java index 968350f..dac8eec 100644 --- a/luni/src/main/java/java/util/Random.java +++ b/luni/src/main/java/java/util/Random.java @@ -21,11 +21,9 @@ package java.util; import java.io.Serializable; /** - * This class provides methods that generates pseudo-random numbers of different - * types, such as {@code int}, {@code long}, {@code double}, and {@code float}. + * This class provides methods that return pseudo-random values. * - * @see Properties - * @see PropertyResourceBundle + * @see java.security.SecureRandom */ public class Random implements Serializable { @@ -85,16 +83,7 @@ public class Random implements Serializable { * described by Donald E. Knuth in <i>The Art of Computer Programming, * Volume 2: Seminumerical Algorithms</i>, section 3.2.1. * - * @param bits - * number of bits of the returned value. - * @return a pseudo-random generated int number. - * @see #nextBytes - * @see #nextDouble - * @see #nextFloat - * @see #nextInt() - * @see #nextInt(int) - * @see #nextGaussian - * @see #nextLong + * <p>Most applications will want to use one of this class' convenience methods instead. */ protected synchronized int next(int bits) { seed = (seed * multiplier + 0xbL) & ((1L << 48) - 1); @@ -102,22 +91,14 @@ public class Random implements Serializable { } /** - * Returns the next pseudo-random, uniformly distributed {@code boolean} value - * generated by this generator. - * - * @return a pseudo-random, uniformly distributed boolean value. + * Returns a pseudo-random uniformly distributed {@code boolean}. */ public boolean nextBoolean() { return next(1) != 0; } /** - * Modifies the {@code byte} array by a random sequence of {@code byte}s generated by this - * random number generator. - * - * @param buf - * non-null array to contain the new random {@code byte}s. - * @see #next + * Fills {@code buf} with random bytes. */ public void nextBytes(byte[] buf) { int rand = 0, count = 0, loop = 0; @@ -134,37 +115,28 @@ public class Random implements Serializable { } /** - * Generates a normally distributed random {@code double} number between 0.0 - * inclusively and 1.0 exclusively. - * - * @return a random {@code double} in the range [0.0 - 1.0) - * @see #nextFloat + * Returns a pseudo-random uniformly distributed {@code double} + * in the half-open range [0.0, 1.0). */ public double nextDouble() { return ((((long) next(26) << 27) + next(27)) / (double) (1L << 53)); } /** - * Generates a normally distributed random {@code float} number between 0.0 - * inclusively and 1.0 exclusively. - * - * @return float a random {@code float} number between [0.0 and 1.0) - * @see #nextDouble + * Returns a pseudo-random uniformly distributed {@code float} + * in the half-open range [0.0, 1.0). */ public float nextFloat() { return (next(24) / 16777216f); } /** - * Pseudo-randomly generates (approximately) a normally distributed - * {@code double} value with mean 0.0 and a standard deviation value - * of {@code 1.0} using the <i>polar method<i> of G. E. P. Box, M. + * Returns a pseudo-random (approximately) normally distributed + * {@code double} with mean 0.0 and standard deviation 1.0. + * This method uses the <i>polar method<i> of G. E. P. Box, M. * E. Muller, and G. Marsaglia, as described by Donald E. Knuth in <i>The * Art of Computer Programming, Volume 2: Seminumerical Algorithms</i>, * section 3.4.1, subsection C, algorithm P. - * - * @return a random {@code double} - * @see #nextDouble */ public synchronized double nextGaussian() { if (haveNextNextGaussian) { // if X1 has been returned, return the @@ -189,26 +161,15 @@ public class Random implements Serializable { } /** - * Generates a uniformly distributed 32-bit {@code int} value from - * the random number sequence. - * - * @return a uniformly distributed {@code int} value. - * @see java.lang.Integer#MAX_VALUE - * @see java.lang.Integer#MIN_VALUE - * @see #next - * @see #nextLong + * Returns a pseudo-random uniformly distributed {@code int}. */ public int nextInt() { return next(32); } /** - * Returns a new pseudo-random {@code int} value which is uniformly distributed - * between 0 (inclusively) and the value of {@code n} (exclusively). - * - * @param n - * the exclusive upper border of the range [0 - n). - * @return a random {@code int}. + * Returns a pseudo-random uniformly distributed {@code int} + * in the half-open range [0, n). */ public int nextInt(int n) { if (n > 0) { @@ -226,15 +187,7 @@ public class Random implements Serializable { } /** - * Generates a uniformly distributed 64-bit integer value from - * the random number sequence. - * - * @return 64-bit random integer. - * @see java.lang.Integer#MAX_VALUE - * @see java.lang.Integer#MIN_VALUE - * @see #next - * @see #nextInt() - * @see #nextInt(int) + * Returns a pseudo-random uniformly distributed {@code long}. */ public long nextLong() { return ((long) next(32) << 32) + next(32); @@ -243,12 +196,6 @@ public class Random implements Serializable { /** * Modifies the seed using a linear congruential formula presented in <i>The * Art of Computer Programming, Volume 2</i>, Section 3.2.1. - * - * @param seed - * the seed that alters the state of the random number generator. - * @see #next - * @see #Random() - * @see #Random(long) */ public synchronized void setSeed(long seed) { this.seed = (seed ^ multiplier) & ((1L << 48) - 1); diff --git a/luni/src/main/java/java/util/regex/Pattern.java b/luni/src/main/java/java/util/regex/Pattern.java index 898a582..46984b9 100644 --- a/luni/src/main/java/java/util/regex/Pattern.java +++ b/luni/src/main/java/java/util/regex/Pattern.java @@ -25,17 +25,17 @@ import java.io.Serializable; * {@link String#matches String.matches}, {@link String#replaceAll String.replaceAll} and * {@link String#split String.split} will be preferable, but if you need to do a lot of work * with the same regular expression, it may be more efficient to compile it once and reuse it. - * The {@code Pattern} class and its companion, {@link Matcher}, are also a lot more powerful - * than the small amount of functionality exposed by {@code String}. + * The {@code Pattern} class and its companion, {@link Matcher}, also offer more functionality + * than the small amount exposed by {@code String}. * * <pre> * // String convenience methods: - * boolean sawFailures = s.matches("Failures: \d+"); - * String farewell = s.replaceAll("Hello, (\S+)", "Goodbye, $1"); + * boolean sawFailures = s.matches("Failures: \\d+"); + * String farewell = s.replaceAll("Hello, (\\S+)", "Goodbye, $1"); * String[] fields = s.split(":"); * * // Direct use of Pattern: - * Pattern p = Pattern.compile("Hello, (\S+)"); + * Pattern p = Pattern.compile("Hello, (\\S+)"); * Matcher m = p.matcher(inputString); * while (m.find()) { // Find each match in turn; String can't do this. * String name = m.group(1); // Access a submatch group; String can't do this. @@ -202,7 +202,7 @@ import java.io.Serializable; * * <h3>Implementation notes</h3> * - * The regular expression implementation used in Android is provided by + * <p>The regular expression implementation used in Android is provided by * <a href="http://www.icu-project.org">ICU</a>. The notation for the regular * expressions is mostly a superset of those used in other Java language * implementations. This means that existing applications will normally work as |