stringreader

StringReader類skip()方法 (StringReader Class skip() method)

• skip() method is available in java.io package.

  skip()方法在java.io包中可用。

• skip() method is used to skip the given number of characters in the stream.

  skip()方法用于跳過(guò)流中給定數(shù)量的字符。

• skip() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  skip()方法是一種非靜態(tài)方法，只能通過(guò)類對(duì)象訪問(wèn)，如果嘗試使用類名稱訪問(wèn)該方法，則會(huì)收到錯(cuò)誤消息。

• skip() method may throw an exception at the time of skipping the number of characters.

  skip()方法在跳過(guò)字符數(shù)時(shí)可能會(huì)引發(fā)異常。

  IOException: This exception may throw when getting any input/output error while performing.

  IOException ：在執(zhí)行過(guò)程中遇到任何輸入/輸出錯(cuò)誤時(shí)，可能引發(fā)此異常。

Syntax:

句法：

public long skip(long number);

Parameter(s):

參數(shù)：

• long number – represents the number of characters to skip.

  長(zhǎng)數(shù)字 -表示要跳過(guò)的字符數(shù)。

Return value:

返回值：

The return type of the method is long, it returns the exact number of characters skipped.

該方法的返回類型為long ，它返回跳過(guò)的確切字符數(shù)。

Example:

例：

// Java program to demonstrate the example // of long skip(long number) method of StringReaderimport java.io.*;public class SkipOfSR {public static void main(String[] args) throws Exception {StringReader str_r = null;try {// Instantiates StringReaderstr_r = new StringReader("Java World");// Loop to read until available// bytes leftfor (int val = 0; val <= 4; ++val) {// Read corresponding char valuechar ch = (char) str_r.read();// Display value of chSystem.out.println("ch: " + ch + " ");// By using skip() method is// to skip 1 bytes of data// from str_r long skip = str_r.skip(1);System.out.println("str_r.skip(1): " + skip);}} catch (Exception ex) {System.out.println(ex.toString());} finally {// with the help of this block is to// free all necessary resources linked// with the streamif (str_r != null) {str_r.close();}}} }

Output

輸出量

ch: J str_r.skip(1): 1 ch: v str_r.skip(1): 1 ch: str_r.skip(1): 1 ch: o str_r.skip(1): 1 ch: l str_r.skip(1): 1

翻譯自: https://www.includehelp.com/java/stringreader-skip-method-with-example.aspx

stringreader

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