JAVA程序里怎么接收用户键盘录入的信息 java中如何从键盘中读取输入信息
java\u7a0b\u5e8f\uff0c\u63a5\u6536\u4ece\u952e\u76d8\u4e0a\u8f93\u5165\u7684\u6570\u636e\u3002\u3002\u6c42\u89e3\u7b54\uff01\uff01import java.util.Scanner;//\u5f15\u7528Scanner\u5305
public class Weight {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner myScanner=new Scanner(System.in);//\u5b9a\u4e49\u952e\u76d8\u63a5\u6536\u6570\u636e
System.out.println("Please input the weight:");//\u63d0\u793a\u8f93\u5165\u4f53\u91cd
int Weight=myScanner.nextInt();
System.out.println("Please input the height:");//\u63d0\u793a\u8f93\u5165\u8eab\u9ad8
int Height=myScanner.nextInt();
if( ((Weight/(Height-100)*0.9)=0.9)){
System.out.println("\u795d\u8d3a\u4f60\uff0c\u8eab\u4f53\u5065\u5eb7");
}else {
System.out.println("\u4f60\u7684\u8eab\u4f53\u5904\u4e8e\u4e0d\u5065\u5eb7\u72b6\u6001");
}
}
}
\u52a9\u4eba\u4e3a\u4e50\u662f\u7f8e\u5fb7\uff0c\u81ea\u5df1\u4fee\u6539\uff0c\u975e\u642c\u8fd0\uff0c\u4eb2\u6d4b\u53ef\u7528\uff0c\u671b\u91c7\u7eb3~
\u901a\u8fc7Scanner\u5b9e\u73b0\u952e\u76d8\u8bfb\u53d6\u8f93\u5165\u3002
Scanner\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u89e3\u6790\u57fa\u672c\u7c7b\u578b\u548c\u5b57\u7b26\u4e32\u7684\u7b80\u5355\u6587\u672c\u626b\u63cf\u5668\u3002\u901a\u8fc7Scanner\u626b\u63cfSystem.in\u7684\u8f93\u5165\u6d41\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u952e\u76d8\u4fe1\u606f\u3002
\u6bd4\u5982\uff1a
\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u4f7f\u7528\u6237\u80fd\u591f\u4ece\u952e\u76d8\u8f93\u5165\u4e00\u4e2a\u6570\uff1a Scanner sc = new Scanner(System.in); int i = sc.nextInt();
Scanner sc = new Scanner(System.in)这样就能接受用户键盘输入的数字/字符串
绛旓細java鎺ュ彈鐢ㄦ埛浠庨敭鐩樺綍鍏ョ殑淇℃伅鐨勮瘽,涓鑸槸浣跨敤scanner绫,濡備笅:Scanner sc = new Scanner(System.in)杩欐牱灏辫兘鎺ュ彈鐢ㄦ埛閿洏杈撳叆鐨勬暟瀛/瀛楃涓
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绛旓細JAVA 缂栧啓涓涓瓧绗︾晫闈㈢殑绋嬪簭锛屾帴鍙鐢ㄦ埛閿洏杈撳叆鐨3涓暣鏁帮紝骞惰緭鍑鸿繖3涓暣鏁扮殑鏈澶у煎拰鏈灏忓笺倀hrows IOException / public static void main(String[] args) throws IOException { MyFrame frame = new MyFrame();frame.setVisible(true);} } class MyFrame extends JFrame implements ActionListener...
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