*/publicstaticvoidmethod(String name,Consumer<String>con){con.accept(name);}publicstaticvoidmain(String[]args){//调用method方法,传递字符串姓名,方法的另一个参数是Consumer接口,是一个函数式接口,所以可以传递Lambda表达式method("zjq666",(Str
* This is a functional interface * whose functional method is {@link #accept(Object)}. *这是一个函数式接口,方法是accept * @param <T> the type of the input to the operation * * @since 1.8 */ @FunctionalInterface publicinterfaceConsumer<T> 对于之前的例子,list.forEach(i -> System.out....
* whose functional method is {@link #accept(Object)}. * * @param <T> the type of the input to the operation * * @since 1.8 */ @FunctionalInterface public interface Consumer<T> {/** * Performs this operation on the given argument. ...
}publicstaticvoidmain(String[] args){//调用method方法,传递字符串姓名,方法的另一个参数是Consumer接口,是一个函数式接口,所以可以传递Lambda表达式method("zjq666",(String name)->{//对传递的字符串进行消费//消费方式:直接输出字符串//System.out.println(name);//消费方式:把字符串进行反转输出StringreName...
Java8新特性：2-消费者（Consumer）接口 Java8新特性：2-消费者（Consumer）接⼝ (原)在上⼀篇，⽤到过这样⼀个⽅法：list.forEach(new Consumer<Integer>() { @Override public void accept(Integer t) { System.out.println(t);} });这⾥重点看List的foreach⽅法;/* * Copyright (c) ...
*/publicabstractvoidmethod();}publicclassDemo{//定义一个方法,参数使用函数式接口MyFunctionalInterfacepublicstaticvoidshow(MyFunctionalInterfacemyInter){myInter.method();}publicstaticvoidmain(String[]args){//调用show方法,方法的参数是一个接口,所以可以传递接口的实现类对象show(newMyFunctionalInterfaceImpl()...
*/publicstaticvoidmethod(Stringname,Consumer<String>con){con.accept(name);}publicstaticvoidmain(String[]args){//调用method方法,传递字符串姓名,方法的另一个参数是Consumer接口,是一个函数式接口,所以可以传递Lambda表达式method("zjq666",(Stringname)->{//对传递的字符串进行消费//消费方式:直接输出字符串...
package java.util.function; /** * Represents a supplier of results. * * There is no requirement that a new or distinct result be returned each * time the supplier is invoked. * * This is afunctional interface * whose functional method is {@link #get()}. ...
我们已经用maven导入了RxJava API。在hello consumer微服务中,我们将导入语句改写为: importio.vertx.core.json.JsonObject;importio.vertx.rxjava.core.AbstractVerticle;importio.vertx.rxjava.ext.web.*;importio.vertx.rxjava.ext.web.client.*;importio.vertx.rxjava.ext.web.codec.BodyCodec;importrx.Sin...
通俗一点解释: 先判断对象是否为NULL—> 这个由Objects里面的isNull进行判断,如果,不为Null的话,那么接下来用java.lang.object里面的equals()方法进行比较. 测试示例代码: //测试isEqual()方法System.out.println(testMethodIsEquals("zhangsan","zhangsan"));System.out.println("~~~ ~~~ ~~~ ~~~");System...