i have .java file. It runs perfectly. I convert it to .jar file. Then i try to convert it to .exe file using program named “exe4j”, and successfully converted. But, when i open this .exe file there is an error message:<\/p>\n
java.util.NoSuchElementException\n at java.util.Scanner.throwFor(Unknown Source)\n at java.util.Scanner.next(Unknown Source)\n at penghitung.persentase(programguru.java:27)\n at programguru.main(programguru.java:361)\n at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)\n at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)\n at java.lang.reflect.Method.invoke(Unknown Source)\n at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)\n at com.exe4j.runtime.WinLauncher.main(Unknown Source)\n<\/code><\/pre>\nWhat is the meaning? I’m confused because the .java file runs perfectly.<\/p>\n
Here is my code:<\/p>\n
import java.util.*;\nimport java.io.*;\n\nclass penghitung\n{\nScanner input = new Scanner(System.in);\nint banyak, nilai, jumlah1, jumlah2, jumlah3, jumlah4, a, b, c, d, e, f, aa, bb, cc, dd, rata7;\nlong pengetahuan;\ndouble numerik, rata1, rata2, rata3, rata4, rata5, rata6;\nString pers, absen, predikat, prak, coba;\n\npublic void persentase()\n{\n System.out.print(\"\\n *************************************\");\n System.out.print(\"\\n ************START PROGRAM************\");\n System.out.print(\"\\n *************************************\");\n\n System.out.print(\"\\n\\nDEFAULT : \");\n System.out.print(\"\\n Tugas Sekolah : 10 %\");\n System.out.print(\"\\n Tugas Rumah : 10 %\");\n System.out.print(\"\\n Ulangan Harian : 20 %\");\n System.out.print(\"\\n UTS : 25 %\");\n System.out.print(\"\\n UAS : 30 %\");\n System.out.print(\"\\n Keaktifan : 5%\");\n\n System.out.print(\"\\n\\nApakah anda ingin mengganti persentase tiap kategori? (Y\/T) : \");\n pers = input.next();\n\n a = 10;\n b = 10;\n c = 20;\n d = 25;\n e = 30;\n f = 5;\n\n if (pers.equals(\"Y\") || pers.equals(\"y\"))\n {\n System.out.print(\"\\n(Dalam persen)\");\n System.out.print(\"\\n Tugas Sekolah : \");\n a = Integer.parseInt(input.next());\n System.out.print(\" Tugas Rumah : \");\n b = Integer.parseInt(input.next());\n System.out.print(\" Ulangan Harian : \");\n c = Integer.parseInt(input.next());\n System.out.print(\" UTS : \");\n d = Integer.parseInt(input.next());\n System.out.print(\" UAS : \");\n e = Integer.parseInt(input.next());\n System.out.print(\" Keaktifan : \");\n f = Integer.parseInt(input.next()); \n }\n\n System.out.print(\"\\nBanyak nilai Tugas Sekolah : \");\n aa = Integer.parseInt(input.next());\n System.out.print(\"Banyak nilai Tugas Rumah : \");\n bb = Integer.parseInt(input.next());\n System.out.print(\"Banyak nilai Ulangan Harian : \");\n cc = Integer.parseInt(input.next());\n\n System.out.print(\"\\nApakah ada nilai Praktikum? (Y\/T) : \");\n prak = input.next();\n if (prak.equals(\"Y\") || prak.equals(\"y\"))\n { System.out.print(\"Banyak nilai Praktikum : \");\n dd = Integer.parseInt(input.next());\n }\n} \n\npublic void absen()\n{\n System.out.print(\"\\n----------------------------------------------------------------\");\n System.out.print(\"\\nNomor absen murid : \");\n absen = input.next();\n try \n {\n FileWriter out = new FileWriter(\"Data Nilai.txt\", true);\n out.write(\"\\r\\n#################### NOMOR ABSEN MURID : \"+ absen + \"\\r\\n\");\n out.close();\n }\n catch (IOException e) \n {\n e.printStackTrace();\n }\n}\n\npublic void tugasSekolah()\n{\n System.out.print(\"\\nTUGAS SEKOLAH\\n\");\n try \n {\n FileWriter out = new FileWriter(\"Data Nilai.txt\", true);\n out.write(\"\\r\\nTUGAS SEKOLAH\\r\\n\");\n\n for (int i = 1; i 75)\n {\n predikat = \"TINGGI\";\n } else if(pengetahuan == 75)\n {\n predikat = \"SEDANG\";\n } else\n {\n predikat = \"KURANG\";\n }\n System.out.print(\"\\n***PREDIKAT*** : \" +predikat);\n try \n {\n FileWriter out = new FileWriter(\"Data Nilai.txt\", true);\n out.write(\"\\r\\n>>> PREDIKAT : \" +predikat+ \"\\r\\n\");\n out.close();\n }\n catch (IOException e) \n {\n e.printStackTrace();\n } \n}\n\npublic void menu()\n{\n System.out.print(\"\\n\\nTambah lagi? (Y\/T) : \");\n coba = input.next();\n\n if (coba.equals(\"Y\") || coba.equals(\"y\"))\n {\n absen();\n tugasSekolah();\n tugasRumah();\n ulanganHarian();\n uts();\n uas();\n keaktifan();\n praktikum();\n pengetahuan();\n predikat();\n menu();\n }\n else \n {\n System.out.print(\"\\n **************************************\");\n System.out.print(\"\\n *************EXIT PROGRAM*************\");\n System.out.print(\"\\n **************************************\");\n }\n}\n}\n\n\npublic class programguru\n{\npublic static void main (String args[])\n{ \n penghitung penghitungku = new penghitung();\n\n \/\/PERSENTASE NILAI\n penghitungku.persentase();\n\n \/\/NOMOR ABSEN\n penghitungku.absen();\n\n \/\/NILAI TUGAS SEKOLAH\n penghitungku.tugasSekolah();\n\n \/\/NILAI TUGAS RUMAH\n penghitungku.tugasRumah();\n\n \/\/NILAI ULANGAN HARIAN\n penghitungku.ulanganHarian();\n\n \/\/NILAI UTS\n penghitungku.uts();\n\n \/\/NILAI UAS\n penghitungku.uas();\n\n \/\/NILAI KEAKTIFAN\n penghitungku.keaktifan();\n\n \/\/NILAI PRAKTIKUM\n penghitungku.praktikum();\n\n \/\/NILAI PENGETAHUAN\n penghitungku.pengetahuan();\n\n \/\/PREDIKAT\n penghitungku.predikat();\n\n \/\/MENU TAMBAH\n penghitungku.menu();\n}\n}\n<\/code><\/pre>\n\n- \n
Just guessing here, since there is incomplete information: the error message indicates that you have an error about where you first do an “input.next();” in addition to indicating that there is “no such element”. If you are on Windows, and you are starting this executable by double-clicking an icon in a folder, then you have to figure out where “System.in” will come from. Windows will not automatically open up a command window for you to type input; if you want that, you have to run it a different way.<\/p>\n<\/li>\n<\/ol>\n
Originally posted 2013-12-02 21:16:58. <\/small><\/p>","protected":false},"excerpt":{"rendered":"
i have .java file. It runs perfectly. I convert it to .jar file. Then i try to convert it to .exe file using program named “exe4j”, and successfully converted. But, when i open this .exe file there is an error message: java.util.NoSuchElementException at java.util.Scanner.throwFor(Unknown Source) at java.util.Scanner.next(Unknown Source) at penghitung.persentase(programguru.java:27) at programguru.main(programguru.java:361) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1904","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1904","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=1904"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/1904\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=1904"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=1904"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=1904"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}