How to make a USB boot disk for Ubuntu under Mac
Make sure your USB drive has at least 4G space Get Ubuntu ISO image file Application-> Other-> Disk Utility Select the USB drive and erase it. Don't choose the wrong…
Mac下如何制作Ubuntu系统的USB启动盘
确保你的U盘至少有4G空间获取Ubuntu ISO映像文件应用->其它->磁盘工具选择U盘，然后擦除。千万别选错了Mac的硬盘啊！！！选在格式: MS-DOS (FAT)点击“擦除” 下载、安装、打开 Etcher选择Ubuntu镜像文件选择U盘点击“Flash”刻录大功告成 Etcher下载链接:https://pan.baidu.com/s/17rR1T81phBnveb9ffxedrA 密码:oc5n
Java 8 Stream – anyMatch() example
We define two Predicate object ：p1 and p2 represents different conditions. import java.util.ArrayList; import java.util.List; import java.util.function.Predicate; public class StreamAnyMatchExample { public static void main(String[] args) { Predicate<Student> p1 =…
Using Lambda with Map and List
Map Example import java.util.HashMap; import java.util.Map; public class LambdaWithMap { public static void main(String[] args) { Map<String, Integer> map = new HashMap(); map.put("beijing", 2000); map.put("shanghai", 2200); map.put("guangzhou", 1500); map.forEach((key, value)…
Java Lambda Expressions Tutorial with examples
Lambda expression is a new feature which is introduced in Java 8. A lambda expression is an anonymous function. A function that doesn’t have a name and doesn’t belong to…
How to serialize HashMap in java
HashMap class is serialized by default which means we need not to implement Serializable interface in order to make it eligible for Serialization. In this tutorial we will learn How to…