ibm object storage api

JAVA 45th-Other Object API (1) I. System class 1. static long currentTimeMillis()Returns the current time in milliseconds. In fact, the time difference between the current time and the Coordinated Universal Time at midnight, January 1, January 1, 1970 (measured in milliseconds ). Long time = 1414069291407l; // lSystem. out. println (time) is added to the long type ); 2. Static void exit (int status) termi

Statement: The technology environment described in this article: QT 4.4.0 open source edition on Linux ThisAll the code in this article is just an exemplary code, just to illustrate the technology itself, so only the most basic code snippets are selected, and discard other redundant code that is not conducive to understanding the technology itself. SameThese code snippets also omit some routine security checks, integrity checks, and other necessary work. Usually there is no practical value an

One.Use the three sets mentioned earlier.To account for the demand, the student is the key, the attribution is the value. Whether the place belongs to a string is debatable. If the place of attribution is relatively simple, use Tianjin, Shanghai .... These are the strings. If the place of attribution is more complex, Beijing's Haidian ..., it is recommended to encapsulate the attribution to the object. Why? When the attribution is encapsulated into an

JAVA learning lesson 40th (Common Object API)-Map set exercises, apimap 1. LinkedHashMap set Import java. util. hashMap; import java. util. iterator; import java. util. linkedHashMap; import java. util. map; public class Main {public static void main (String [] args) {HashMap Exercise: Number of occurrences of letters Import java. util. iterator; import java. util. map; import java. util. treeMap;/* "as