view plaincopy to clipboardPRint? package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } } package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } }
再看下面的代码:
view plaincopy to clipboardprint? package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.next(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.next(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } } package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.next(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.next(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } }
以上段代码都是正确、无聊的。
精彩的来了……
运行下面的代码:
view plaincopy to clipboardprint? package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.next(); System.out.println("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } } package cn.nileader.app.vi; import java.util.Scanner; public class Test { public static void main(String[] args) throws Exception{ Scanner cin = new Scanner(System.in); String ni = cin.next(); System.out.println("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); ni = cin.nextLine(); System.out.print("用Scanner类的next()方法接收了你刚刚输入的字符串是:"+ni+" 长度是"+ni.length()); } }