2.Java 8 Interview Questions Java 8 was a major release with many new features. Some of them are Lambdas, Functional interfaces, Streams, and Date Time API. This article will help you in preparing for the interview related to these APIs. I recently wrote another article aspart-2 of java 8...
A Functional Interface is an interface, which contains one and only one abstract method. Functional Interface is also known as SAM Interface because it contains only one abstract method. SAM Interface stands for Single Abstract Method Interface. Java SE 8 API has defined many Functional Interfaces....
Looking forward to appear in Java Interview, here are the key Java Interview Questions with Answers only for you. - aatul/Java-Interview-Questions-Answers
Lambda expressions, functional interfaces, Stream API, default methods in interfaces, Optional class, and new Date and Time API (java. time`). 35) Tell about design patterns which you used in your project? Commonly used patterns are Singleton,Factory, and Strategy (adjacent interchangeable algor...
5. Java 8 Date/Time API Changes The new Date and Time APIs/classes (JSR-310), also calledThreeTen, have simply changed the way we handle dates in java applications. 5.1. Date Classes Dateclass has even become obsolete. The new classes intended to replace Date class areLocalDate,LocalTime...
9.6Miscellaneous features, including performance hints, the use of character streams, full precision for java.math.BigDecimal values, additional security, and support for time zones in date, time, and timestamp values. 10Explain garbage collection?
Java Reflection is the process of analyzing and modifying all the capabilities of a class at runtime. Reflection API in Java is used to manipulate class and its members which include fields, methods, constructor, etc. at runtime. The java.lang.Class class provides many methods that can be ...
java 8 在 Java 历史上是一个开创新的版本,下面 JDK 8 中 5 个主要的特性: Lambda 表达式,允许像对象一样传递匿名函数 Stream API,充分利用现代多核 CPU,可以写出很简洁的代码 Date 与 Time API,最终,有一个稳定、简单的日期和时间库可供你使用 扩展方法,现在,接口中可以有静态、默认方法。 重复注解,现在你...
8、Java反射API 9、反射使用步骤〈获取Class 对象、调用对象的方法) 10、获取Class 对象有几种方法 11、利用反射动态创建对象实例 Java序列化与注解 1、什么是java序列化,如何实现java序列化? 2、保存(持久化)对象及其状态到内存或者磁盘 3、序列化对象以字节数组保持-静态成员不保存 4、序列化用户远程对象传输 5...
JAVA面试题100问第一部分:http://ifeve.com/java-interview-questions-pdf/ 面向对象 1.面向对象编程的特征有哪几个方面? [封装] 封装给对象提供了隐藏内部特性和行为的能力。外部无法直接访问这些封装了的数据,从而保证了这些数据的正确性。同时,对象提供一些能被其他对象访问的方法来改变它内部的数据。在Java当中...