Java.io.PrintStream.print String() 方法 Java.io.PrintStream.print Object() 方法 Java.io.PrintStream.printf locale() 方法 Java.io.PrintStream.print String() 方法 package com.codingdict; import java.io.*; public class PrintStreamDemo { public static void main(String[] args) { String s = "Hello World"; // create printstream object PrintStream ps = new PrintStream(System.out); // print string ps.print(s); ps.print(" This is an example"); // flush the stream ps.flush(); } } Java.io.PrintStream.print Object() 方法 Java.io.PrintStream.printf locale() 方法