userinput.java

来自「一个使用的搜索引擎」· Java 代码 · 共 34 行

package ir.utilities;
import java.io.*;

/** A place to put some helper functions for interacting with the user
 *
 * @author Ray Mooney
*/

public class UserInput {
    
    /** Read a line of input from the user */
    public static String readLine() {
	// Get a reader for receiving input from the console
	BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
	String input = null;
	try {
	    input = console.readLine().trim();
	}
	catch (IOException e) {
	    System.out.println("\nCould not read from console");
	    System.exit(1);
	}
	return input;
    }

    /** Prompt the user with a string and then get a line of input */
    public static String prompt(String promptString) {
	System.out.print(promptString);
	return readLine();
    }

}