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Java.lang.Boolean类

發(fā)布時間：2023/12/31 java 28 豆豆

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以下是聲明java.lang.Boolean?class:

public final class Booleanextends Objectimplements Serializable, Comparable<Boolean>

Following are the fields for?java.lang.Boolean?class:

static Boolean FALSE?-- This is the Boolean object corresponding to the primitive value false.
static Boolean TRUE?-- This is the Boolean object corresponding to the primitive value true.
static Class<Boolean> TYPE?-- This is the Class object representing the primitive type boolean.

S.N. 構(gòu)造方法 & 詳細描述

1	Boolean(boolean value) This allocates a Boolean object representing the value argument.
2	Boolean(String s) This allocates a Boolean object representing the value true if the string argument is not null and is equal, ignoring case, to the string "true".

S.N. 方法 & 描述

1	boolean booleanValue()? This method returns the value of this Boolean object as a boolean primitive.
2	int compareTo(Boolean b)? This method compares this Boolean instance with another.
3	boolean equals(Object obj)? This method returns true if and only if the argument is not null and is a Boolean object that represents the same boolean value as this object.
4	static boolean getBoolean(String name)? This method returns true if and only if the system property named by the argument exists and is equal to the string "true".
5	int hashCode()? This method returns a hash code for this Boolean object.
6	static boolean parseBoolean(String s)? This method parses the string argument as a boolean.
7	String toString()? This method returns a String object representing this Boolean's value.
8	static String toString(boolean b)? This method returns a String object representing the specified boolean.
9	static Boolean valueOf(boolean b)? This method returns a Boolean instance representing the specified boolean value.
10	static Boolean valueOf(String s)? This method returns a Boolean with a value represented by the specified string.

此類從以下類繼承了上面列出的方法

轉(zhuǎn)載于:https://my.oschina.net/u/589247/blog/113856

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