This class always replaces malformed and unmappable character sequences with the charset's default replacement string. The java.nio.charset.CharsetEncoder class should be used when more control over the encoding
java.io Class PrintStream All Implemented Interfaces: Closeable,Flushable,Appendable,AutoCloseable Direct Known Subclasses: LogStream public classPrintStreamextendsFilterOutputStreamimplementsAppendable,Closeable APrintStreamadds functionality to another output stream, namely the ability to print representations of var...
程序1: // Java program to demonstrate// PrintStream print(double) methodimportjava.io.*;classGFG{publicstaticvoidmain(String[]args){try{// Create a PrintStream instancePrintStreamstream=newPrintStream(System.out);// Print the double value '4.5'// to this stream using print() method// This w...
PrintStream 其实是FilterOutputStream的一种 public class PrintStream extends FilterOutputStream implements Appendable, Closeable 直接已知子类: LogStream 已过时。 无替代版本 PrintStream public PrintStream(OutputStream out, boolean autoFlush)创建新的打印流。 参数: out - 将向其打印值和对象的输出流 autoFlush -...
Since: 1.0 Field Summary Fields declared in class java.io.FilterOutputStream out Constructor Summary Constructors Constructor Description PrintStream(File file) Creates a new print stream, without automatic line flushing, with the specified file. PrintStream(File file, String csn) Creates a new print...
java.io.ObjectOutputStream 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. Class FileInputStream int read() 从此输入流中读取一个字节的数据。返回的是这一个字节的ASCII码 ...
import java.io.PrintStream; class Main { public static void main(String[] args) { try { PrintStream output = new PrintStream("output.txt"); int age = 25; output.printf("I am %d years old.", age); output.close(); } catch(Exception e) { e.getStackTrace(); } } } In the above...
PrintStream的具体使用,代码如下: public class PrintStream_ { public static void main(String[] args) throws IOException { PrintStream printStream = System.out; //在默认情况下,PrintStream输出数据的位置是标准输出,即显示器 /* public void print(String s) { ...
Java.Nio.Charset.Spi Java.Nio.FileNio Java.Nio.FileNio.Attributes Java.Nio.FileNio.Spi Java.Security Java.Security.Acl Java.Security.Cert Java.Security.Interfaces Java.Security.Spec Java.Sql Java.Text Java.Time Java.Time.Chrono Java.Time.Format ...
PrintStream和PrintWriter打印流介绍: PrintWriter和PrintStream打印流的使用 PrintStream: package com.model.io.outputstream.printstream; import java.io.FileNotFoundExc