Java.io.PrintWriter.print long() 方法 Java.io.PrintWriter.print int() 方法 Java.io.PrintWriter.print Object() 方法 Java.io.PrintWriter.print long() 方法 package com.codingdict; import java.io.*; public class PrintWriterDemo { public static void main(String[] args) { long i = 4854587375487354l; // create a new writer PrintWriter pw = new PrintWriter(System.out); // print long pw.print(i); // change the line pw.println(); // print another long pw.print(12315436474l); // flush the writer pw.flush(); } } Java.io.PrintWriter.print int() 方法 Java.io.PrintWriter.print Object() 方法