cn.easyes.common.utils

类 MyOptional<T>

java.lang.Object

cn.easyes.common.utils.MyOptional<T>

public final class MyOptional<T>
extends Object

对JDK提供的Optional的自定义,个人认为其高频api ifPresent没有返回用起来不方便 可避免写过多if-else 提升代码优雅

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方法概要

限定符和类型	方法和说明
static <T> MyOptional<T>	empty()
boolean	equals(Object obj)
int	hashCode()
<U> MyOptional<U>	ifPresent(java.util.function.Function<? super T,? extends U> present, T otherValue)
boolean	isPresent()
static <T> MyOptional<T>	of(T value)
static <T> MyOptional<T>	ofNullable(T value)
String	toString()

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

方法详细资料

empty

public static <T> MyOptional<T> empty()

of

public static <T> MyOptional<T> of(T value)

ofNullable

public static <T> MyOptional<T> ofNullable(T value)

isPresent

public boolean isPresent()

ifPresent

public <U> MyOptional<U> ifPresent(java.util.function.Function<? super T,? extends U> present,
                                   T otherValue)

equals

public boolean equals(Object obj)

覆盖:

equals 在类中 Object

hashCode

public int hashCode()

覆盖:

hashCode 在类中 Object

toString

public String toString()

覆盖:

toString 在类中 Object