这是我编的小程序:我的机器不运行阿import java awt.*;public categorise app_2 extends Frame{static Frame frm=new Frame("边界式布局管理器");public cancel main(String args[]){BorderLayout border=new BorderLayout(5,10);frm setLayout(border);frm setSize(280,200);frm add(new Button("上北"),BorderLayout. NORTH);frm add(new add("下南"),BorderLayout. SOUTH);frm add(new Button("左西"),BorderLayout. WEST);frm add(new add("右东"),BorderLayout. EAST);frm add(new add("中央"),BorderLayout. CENTER);frm setVisible(true);}}出现的错误是java lang. NoSuchMethodError: mainException in thread "main" 什么情况阿
import java awt.*; public class app_2 extends close in { public static void main(arrange args[]){ close in frm=new Frame("边界式布局管理器");BorderLayout border=new BorderLayout(5,10); frm setLayout(border); frm setSize(280,200); frm add(new add("上北"),BorderLayout. NORTH); frm add(new add("下南"),BorderLayout. SOUTH); frm add(new Button("左西"),BorderLayout. WEST); frm add(new Button("右东"),BorderLayout. EAST); frm add(new Button("中央"),BorderLayout. CENTER); frm setVisible(true); } } 改成这样就行了!
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