/** * @创建日期 2013-07-15 * @创建时间 14:25:59 * @版本号 V 1.0 */ public class CosTest { public static void main(String[] args) { String sql = "select * from teacher where id = ? and name = ?"; System.out.println(replaceString(sql
Calendar c = Calendar.getInstance(); c.setTime(cur); //设置时间 c.add(Calendar.MINUTE, 1); //日期分钟加1,Calendar.DATE(天),Calendar.HOUR(小时) Date date = c.getTime(); //结果 Calendar cal = Calendar.getInstance();cal.setTime(d1);cal.add(Calendar.MINUTE, 30);Date d
package folder; import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.util.HashMap;import java.util.Iterator;import java.util.Map; public class f
java List.add操作可以指定位置,addAll也可以指定: 使用: public class Test02 { public static void main(String[] args) { ArrayList<String> list = new ArrayList<>(); list.add("str1"); list.add("str2"); list.add(1,"str222"); for (int