java - JButton calling another class -
i have little problem actionlistener. when press button doesn't run code alot errors here. doing wrong, , how run class putting action code after pressing button.
package org.jsoup.examples;
import java.awt.event.actionevent; import java.awt.event.actionlistener; import java.io.ioexception; import java.io.printwriter; import javax.swing.jbutton; import javax.swing.jframe; import javax.swing.jlabel; import javax.swing.jpanel; import org.jsoup.*; import org.jsoup.nodes.*; public class javaapplication17 { public static void main( string[] args ) throws ioexception { jframe frame = new jframe ("orai"); frame.setvisible(true); frame.setsize(200,200); frame.setdefaultcloseoperation(jframe.exit_on_close); jlabel label = new jlabel("infodienos orai"); jpanel panel = new jpanel(); frame.add(panel); panel.add(label); jbutton lietuvoje = new jbutton("lietuvoje"); panel.add(lietuvoje); lietuvoje.addactionlistener(new actionlistener() { public void actionperformed(actionevent e) { string[] nuoroda = new string[10]; nuoroda[0] = "http://www.gismeteo.lt/city/hourly/4230/#wdaily2"; nuoroda[1] = "http://www.gismeteo.lt/city/hourly/4202/#wdaily2"; nuoroda[2] = "http://www.gismeteo.lt/city/hourly/4157/#wdaily2"; nuoroda[3] = "http://www.gismeteo.lt/city/hourly/4170/#wdaily2"; nuoroda[4] = "http://www.gismeteo.lt/city/hourly/4175/#wdaily2"; nuoroda[5] = "http://www.gismeteo.lt/city/hourly/4152/#wdaily2"; nuoroda[6] = "http://www.gismeteo.lt/city/hourly/4203/#wdaily2"; nuoroda[7] = "http://www.gismeteo.lt/city/hourly/4163/#wdaily2"; nuoroda[8] = "http://www.gismeteo.lt/city/hourly/4166/#wdaily2"; nuoroda[9] = "http://www.gismeteo.lt/city/hourly/4201/#wdaily2"; (int j = 0; j < 10; j++) { document doc = jsoup.connect(nuoroda[j]).timeout(10*10000).useragent("mozilla/17.0").get(); printwriter temp = new printwriter("d:/user documents/desktop/orai/lietuvoje/temp/"+j+".txt"); printwriter pav = new printwriter("d:/user documents/desktop/orai/lietuvoje/pav/"+j+".txt"); printwriter atmosfera = new printwriter("d:/user documents/desktop/orai/lietuvoje/atmosfera/"+j+".txt"); printwriter vejas = new printwriter("d:/user documents/desktop/orai/lietuvoje/vejas/"+j+".txt"); printwriter greitis = new printwriter("d:/user documents/desktop/orai/lietuvoje/greitis/"+j+".txt"); printwriter dregnumas = new printwriter("d:/user documents/desktop/orai/lietuvoje/dregnumas/"+j+".txt"); printwriter faze = new printwriter("d:/user documents/desktop/orai/lietuvoje/faze/"+j+".txt"); printwriter menulis = new printwriter("d:/user documents/desktop/orai/lietuvoje/menulis/"+j+".txt"); (int = 8; < 16; i++) { element ele=doc.select("td.temp > span.value.m_temp.c").get(i); element ele2=doc.select("td.clicon > img").get(i); // 8 - 15 element ele3=doc.select("td.cltext").get(i); // 8 - 15 element ele4=doc.select("dl.wind > dt").get(i); // 8 - 15 element ele6=doc.select("div.wicon.hum").first(); // 8 - 15 element ele7=doc.select("ul.moon.moon5 > li").get(1); // 8 - 15 element ele8=doc.select("ul.moon.moon5 > li").get(1); // 8 - 15 //system.out.println(ele4.text()); if (ele4.text().tostring().equals("Š")) { vejas.println("##1"); } if (ele4.text().tostring().equals("p")) { vejas.println("##2"); } if (ele4.text().tostring().equals("r")) { vejas.println("##3"); } if (ele4.text().tostring().equals("v")) { vejas.println("##4"); } if (ele4.text().tostring().equals("Šr")) { vejas.println("##5"); } if (ele4.text().tostring().equals("Šv")) { vejas.println("##6"); } if (ele4.text().tostring().equals("pv")) { vejas.println("##7"); } if (ele4.text().tostring().equals("pr")) { vejas.println("##8"); } element ele5=doc.select("dl.wind > dd > span.value.m_wind.ms").get(i); // 8 - 15 temp.println(ele.text()); if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.png")) { pav.println("##9"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.png")) { pav.println("##10"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.png")) { pav.println("##10"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.png")) { pav.println("##10"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.png")) { pav.println("##11"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r1.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r2.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r3.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r4.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r1.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r2.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r3.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r4.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r1.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r2.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r3.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r4.png")) { pav.println("##12"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r1.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r2.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r3.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r4.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.st.png")) { pav.println("##14"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.st.png")) { pav.println("##14"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.st.png")) { pav.println("##14"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.st.png")) { pav.println("##14"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r1.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r3.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.r4.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r1.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r3.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.r4.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r1.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r3.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.r4.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r1.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r3.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.r4.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c1.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c2.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c3.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("d.sun.c4.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.png")) { pav.println("##17"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.png")) { pav.println("##18"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.png")) { pav.println("##18"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.png")) { pav.println("##18"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.png")) { pav.println("##11"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r1.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r2.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r3.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r4.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r1.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r2.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r3.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r4.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r1.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r2.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r3.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r4.png")) { pav.println("##19"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r1.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r2.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r3.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r4.png")) { pav.println("##13"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.st.png")) { pav.println("##20"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.st.png")) { pav.println("##20"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.st.png")) { pav.println("##20"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.st.png")) { pav.println("##14"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r1.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r2.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r3.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.r4.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r1.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r2.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r3.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.r4.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r1.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r2.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r3.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.r4.st.png")) { pav.println("##21"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r1.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r2.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r3.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.r4.st.png")) { pav.println("##15"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c1.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c2.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c3.s4.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.s1.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.s2.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.s3.png")) { pav.println("##16"); } if (ele2.attr("src").substring(ele2.attr("src").lastindexof("/") + 1).trim().tostring().equals("n.moon.c4.s4.png")) { pav.println("##16"); } if (ele8.text().tostring().equals("jaunatis")) { menulis.println("##22"); } if (ele8.text().tostring().equals("priešpilnis")) { menulis.println("##23"); } if (ele8.text().tostring().equals("pilnatis")) { menulis.println("##24"); } if (ele8.text().tostring().equals("delčia")) { menulis.println("##25"); } atmosfera.println(ele3.text()); greitis.println(ele5.text() + " m/s"); dregnumas.println(ele6.text().substring(0, 4)); faze.println(ele7.text()); } temp.close(); pav.close(); atmosfera.close(); vejas.close(); greitis.close(); dregnumas.close(); faze.close(); menulis.close(); } } }); } }
one problem in code did not start/make visible frame in swings edt (event dispatching thread). standard code looks like
java.awt.eventqueue.invokelater(new runnable() { public void run() { new myjframe().setvisible(true); } }); second: jframe should implement separate class avoid main / frame construction mess.
third: there exceptions while run code? how know code not run? did debug it?
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