例子
以下示例显示java.io.StringReader.reset()方法的用法。
package com.jc2182;
import java.io.*;
public class StringReaderDemo {
public static void main(String[] args) {
String s = "Hello World";
// create a new StringReader
StringReader sr = new StringReader(s);
try {
// read the first five chars
for (int i = 0; i < 5; i++) {
char c = (char) sr.read();
System.out.print("" + c);
}
// mark the reader at position 5 for maximum 6
sr.mark(6);
// read the next six chars
for (int i = 0; i < 6; i++) {
char c = (char) sr.read();
System.out.print("" + c);
}
// reset back to marked position
sr.reset();
// read again the next six chars
for (int i = 0; i < 6; i++) {
char c = (char) sr.read();
System.out.print("" + c);
}
// close the stream
sr.close();
} catch (IOException ex) {
ex.printStackTrace();
}
}
}
让我们编译并运行以上程序,这将产生以下结果-
Hello World World