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1¡¡JDK 1.4 ¼°ÒÔϰ汾¶ÁÈ¡µÄ·½·¨
JDK 1.4 ¼°ÒÔϵİ汾ÖÐÒªÏë´Ó¿ØÖÆÌ¨ÖÐÊäÈëÊý¾ÝÖ»ÓÐÒ»ÖÖ°ì·¨£¬¼´Ê¹ÓÃSystem.in»ñµÃϵͳµÄÊäÈëÁ÷£¬ÔÙÇŽÓÖÁ×Ö·ûÁ÷´Ó×Ö·ûÁ÷ÖжÁÈëÊý¾Ý¡£Ê¾Àý´úÂëÈçÏ£º
import java.io.IOException;
import java.io.InputStreamReader;
public class Test1 {
    public static void main(String[] args) {
        String str = readString("ÇëÊäÈë×Ö·û´®£º");
        System.out.println("readString ·½·¨µÄÊäÈ룺" + str);
    }
    /**
     * ʹÓÃϵͳµÄÊäÈëÁ÷£¬´Ó¿ØÖÆÌ¨ÖжÁÈ¡Êý¾Ý<br/>
     * ÓÃÓÚËùÓõÄJDK°æ±¾
     * @param prompt ÌáʾÐÅÏ¢
     * @return ÊäÈëµÄ×Ö·û´®
     */
    private static String readString(String prompt) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String str = null;
        try {
            System.out.print(prompt);
            str = br.readLine();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return str;
    }
}
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