摘要： 1.获取时间long begin=System.currentTimeMillis();//单位毫秒long end=System.nanoTime();//单位纳秒Date d = new Date();long longtime = d.getTime();System.out.println(longtime);String time = d.toLocaleString();System.out.println(time);//标准格式时间2.String和int互转(1)int to stringint ->Stringint i= 10;String s = "&q 阅读全文