java - Use window builder jframe in a different class -


i trying use gui built window builder in eclipse using jframe. have tried call method ftwo(); in main method , imported class not recognize method package com.cameron.main;

import java.awt.borderlayout; import java.awt.eventqueue;  import javax.swing.jframe; import javax.swing.jpanel; import javax.swing.border.emptyborder;  public class ftwo extends jframe {        private jpanel contentpane;      /**      * launch application.      */     public static void main(string[] args) {         eventqueue.invokelater(new runnable() {             public void run() {                 try {                     ftwo frame = new ftwo();                     frame.setvisible(true);                 } catch (exception e) {                     e.printstacktrace();                 }             }         });     }      /**      * create frame.      */     public ftwo() {         setdefaultcloseoperation(jframe.exit_on_close);         setbounds(100, 100, 450, 300);         contentpane = new jpanel();         contentpane.setborder(new emptyborder(5, 5, 5, 5));         contentpane.setlayout(new borderlayout(0, 0));         setcontentpane(contentpane);     }  }

assuming myapp in same java package, instantiate new ftwo instance , set visible. example:

import java.awt.*;  public class myapp {     public static void main(string[] args) {         ftwo ftwo = new ftwo();         eventqueue.invokelater(() -> ftwo.setvisible(true));     } }

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