(40);NumList.add(20);// Collecting the unique valuesList<Integer>UniqueList=NumList.stream().distinct().collect(Collectors.toList());System.out.println("The unique values are:");// Printing the unique valuesfor(inti=0;i<UniqueList.size();++i){System.out.println(UniqueList.get(i));}}...
void getClassID(GUID[] pClassID) getClassID static String getClsid() getClsid. int getCount() The total number of unique values. void getHistogram(Object[] pUniqueValues, Object[] pCounts) The historgram of values. void getLargeHistogram(Object[] pUniqueValues, Object[] pCounts) ...
18 */19publicclassBeanReflectionUtil{2021publicstaticObjectgetPrivatePropertyValue(Object obj,String propertyName)throws Exception{22Class cls=obj.getClass();23Field field=cls.getDeclaredField(propertyName);24field.setAccessible(true);25Object retvalue=field.get(obj);26returnretvalue;27}2829/** 30 * ...
1 CREATE TABLE tb_idcard( 2 id INT PRIMARY KEY AUTO_INCREMENT, 3 CODE VARCHAR(18) 4 ); 5 6 INSERT INTO tb_idcard(CODE) VALUES('13341631331213'); 7 INSERT INTO tb_idcard(CODE) VALUES('21311211321111'); 8 9 CREATE TABLE tb_person( 10 id INT PRIMARY KEY AUTO_INCREMENT, 11 NAME V...
DEPT_NAME_NOT_UNIQUE.equals(deptService.checkDeptNameUnique(dept))) { return error("新增部门'" + dept.getDeptName() + "'失败,部门名称已存在"); } return toAjax(deptService.insertDept(dept)); } /** * 保存 */ @Log(title = "部门管理", businessType = BusinessType.UPDATE) @Requires...
正是由于同步容器类有以上问题,导致这些类成了鸡肋,于是Java5推出了并发容器类,Map对应的有ConcurrentHashMap,List对应的有CopyOnWriteArrayList。与同步容器类相比,它有以下特性: 更加细化的锁机制。同步容器直接把容器对象做为锁,这样就把所有操作串行化,其实这是没必要的,过于悲观,而并发容器采用更细粒度的锁机制,保...
publicclassCrunchifyIterateThroughList{ publicstaticvoidmain(String[]argv){ // create list List<String>crunchifyList =newArrayList<String>(); // add 4 different values to list crunchifyList.add("Facebook"); crunchifyList.add("Paypal"); ...
INSERT INTO 表名VALUES (值1,值2,值3,...); --默认给全部列添加数据INSERTINTOproductVALUES(3,'电视',2999,18,'2099-06-06');--查看表中所有数据SELECT*FROMproduct;新增格式3:批量添加数据--默认添加所有列数据标准语法INSERTINTO表名VALUES(值1,值2,值3,...),(值1,值2,值3,...),(值1,值2...
*/ package com.esri.samples.apply_unique_values_with_alternate_symbols; import java.util.List; import javafx.application.Application; import javafx.geometry.Insets; import javafx.geometry.Pos; import javafx.scene.Scene; import javafx.scene.control.Alert; import javafx.scene.control.Button; import jav...
public interface ApplicationContext extends EnvironmentCapable, ListableBeanFactory, HierarchicalBeanFactory, MessageSource, ApplicationEventPublisher, ResourcePatternResolver { /** * Return the unique id of this application context. * @return the unique id of the context, or {@code null} if none */ @...