CharArrayReader類skip()方法
- skip() 方法可在
java.io
包。 - skip() 方法用於從這個 CharArrayReader 中跳過給定數量的字符。
- skip() 方法是一個非靜態方法,它隻能通過類對象訪問,如果我們嘗試使用類名訪問方法,那麽我們將得到一個錯誤。
- skip() 方法可能會在跳過字符時拋出異常。
IOException:在獲取任何輸入/輸出錯誤時可能會拋出此異常。
用法:
public long skip(long number);
參數:
long number
– 表示要跳過的字符數。
返回值:
該方法的返回類型是long
,它返回要跳過的確切字符數。
例:
// Java program to demonstrate the example
// of long skip(long number) method of
// CharArrayReader
import java.io.*;
public class SkipOfCAR {
public static void main(String[] args) {
CharArrayReader car_stm = null;
char[] c_arr = {
'a',
'b',
'c',
'd'
};
try {
// Instantiates CharArrayReader
car_stm = new CharArrayReader(c_arr);
int val = 0;
// By using skip() methos is to skip
// the number of characters
long skip = car_stm.skip(2);
System.out.println("car_stm.skip(2):" + skip);
System.out.println("After skip():");
// Read after skipping
while ((val = car_stm.read()) != -1) {
char ch = (char) val;
System.out.print(ch + " ");
}
} catch (Exception ex) {
System.out.print(ex.toString());
} finally {
// Free all system resources linked
// with the stream after closing
// the stream
if (car_stm != null)
car_stm.close();
}
}
}
輸出
car_stm.skip(2):2 After skip(): c d
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注:本文由純淨天空篩選整理自Preeti Jain大神的英文原創作品 Java CharArrayReader skip() Method with Example。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。