FilterReader.skip(long n)方法示例
FilterReader.skip(long n)
具有以下语法。
public long skip(long n) throws IOException
示例
在下面的代码中展示了如何使用FilterReader.skip(long n)
方法。
import java.io.FilterReader;
import java.io.Reader;
import java.io.StringReader;
public class Main {
public static void main(String[] args) throws Exception {
int i = 0;
// create new reader
Reader r = new StringReader("from yiibai.com");
// create new filter reader
FilterReader fr = new FilterReader(r) {
};
// read till the end of the filter reader
while ((i = fr.read()) != -1) {
// convert integer to character
char c = (char) i;// from => ww w .Y II B a i.C Om
// prints
System.out.println("Character read: " + c);
// number of characters actually skipped
long l = fr.skip(2);
// prints
System.out.println("Character skipped: " + l);
}
}
}
上面的代码生成以下结果。
Character read: f
Character skipped: 2
Character read: m
Character skipped: 2
Character read: a
Character skipped: 2
Character read: 2
Character skipped: 2
Character read: c
Character skipped: 2