于广超

package org.sxj.utils; import java.awt.AlphaComposite; import java.awt.Color; import java.awt.Font; import java.awt.Graphics; import java.awt.Graphics2D; impo

在httpHttpClient client = new HttpClient(); // 设置关闭 client.getParams().setBooleanParameter( "http.protocol.expect-continue" , false ); client.getParams().setContentCharset("utf-8"); HttpM

1、jps查看下所有的java进程，你能看到你程序的主函数的名字，找到对应的pid比如我的程序是Test[root@xxoo ~]# jps3647 JobTracker3557 SecondaryNameNode2372 QuorumPeerMain3439 DataNode2373 QuorumPeerMain4379 Jps3325 Nam

NumberFormat numberFormat1 = NumberFormat.getNumberInstance();System.out.println(numberFormat1.format(11122.33)); //结果是11,122.33NumberFormat numberFormat2 = NumberFormat.getNumberInstance();number