long BeginTime,EndTime;
BeginTime = System.currentTimeMillis();
// 你的代码
EndTime = System.currentTimeMillis();
System.out.println("Your used " + EndTime - BeginTime +"ms to run this function");
long lCount = 0;
long BeginTime,EndTime;
BeginTime = System.currentTimeMillis();
// 你的代码
EndTime = System.currentTimeMillis();
Date dt;
dt.setTime(EndTime - BeginTime);
System.out.println("Your use " + dt.toGMTString() +" to run this function");