eclipse

[Solved] Null Pointer Except, but why? [closed]

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I believe this line is wrong: if(type.equals(null)) strTypeList = “What?What?What?LOLOLOLOLOLnopechucktesta”; it should be: if(type == null) strTypeList = “What?What?What?LOLOLOLOLOLnopechucktesta”; Without seeing the contents of the method calls here: Type = AddyBook.get(x).getContactType(); it’ll be hard to debug but if I were to guess it would be the method “getContactType()” is returning null. EDIT: Try unchaining the … Read more

[Solved] I’m a Java beginner- Convert String value to Integer using JTextField [closed]

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It must throw NumberFormatException if you try to parse it to integer. Check before parsing. or handle Exception properly. Exception Handling* try{ int i = Integer.parseInt(input); }catch(NumberFormatException ex){ // handle your exception … } or – Integer pattern matching – String input=…; String pattern =”-?\\d+”; if(input.matches(“-?\\d+”)){ // any positive or negetive integer or not! … … Read more

[Solved] why some imports cannot be resolved?

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This is because your compiler is not able to find the necessary packages and or libraries that are needed to resolve these imports. These packages must be included in your class path. For example all of the errors regarding org.apache.felix.scr.annotations.x can be resolved after downloading the latest .jar from https://mvnrepository.com/artifact/org.apache.felix/org.apache.felix.scr.annotations/1.11.0 Follow these steps to include … Read more

[Solved] Java Generics Question

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That ‘terminated’ you have been seeing lately is the expected behavior when your program finishes. Put some System.outs or asserts to verify that your code runs (here it runs, with some awful cast warnings, but runs) final Queue12<T> ringBuffer = new QueueImpl12<T>(); T o = (T) new String(“this”); ringBuffer.enqueue(o); //add element to the back System.out.println(ringBuffer.peek());//this … Read more

[Solved] Use two components from different layouts

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What you want to do is have two separate activities, one to edit the text, and one to display it. The first one you want to set the layout to layout_main, and set a callback for the button. Inside the callback you want: final EditText text = (EditText)findViewById(R.id.broj1); Intent intent = new Intent(MainAct.this, NumGen.class); Bundle … Read more

[Solved] Why do I get a $ sign in decompiled java classes full with errors? [closed]

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What you’re seeing is Java’s internal representation of the anonymous inner classes. Java implements these by creating classes with generated names, which — like all inner classes — are based on adding $ and a suffix to the name of the containing class. (There are some other changes made to support the inner class’s ability … Read more

[Solved] Capitalizing a string in C

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How to capitalize a C string. #include <stdio.h> #include <ctype.h> int main() { int i = 0; char str[] = “foobar”; while(str[i]) { putchar (toupper(str[i])); i++; } return(0); } Test it online. solved Capitalizing a string in C

[Solved] How can I use Program a game after swing.Timer stopped?

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Your problem is that you don’t use correct architecture pattern. You should separate your business logic from your presentation. Also you should store variables (like time_left) in model, not in the controller (i.e. ActionListener). Please read about: Model View Controller pattern. It’s a basic pattern and it’ll solve most of yours problems. Basic Example Editor.java … Read more

[Solved] How to create text boxes dynamically in eclipse android

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The question you are asking will be closed soon because of off-topic but I will give you little tips about adding the TextView OR EditText, If you want to add TextView in number of times then do like this LayoutParams lparams = new LayoutParams( LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); for(int i=0; i<number; i++) TextView tv=new TextView(this); tv.setLayoutParams(lparams); tv.setText(“TextView … Read more

[Solved] Error: [ng:areq] Argument ‘fn’ is not a function, got string

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SOLVED I added this library: <script src=”https://stackoverflow.com/questions/51248557/bower_components/angular-ui-router/release/angular-ui-router.js”></script> app.js is updated ‘use strict’; (function () { let myApp = angular.module(‘myApp’, [‘ui.router’]); myApp.controller(‘userController’, [‘$http’, function ($http) { let vm = this; $http.get(“http://localhost:8080/Market/users”).then(function (response) { vm.usersForm = response.data; }) }]); myApp.config(‘$stateProvider’, [ function($stateProvider) { $stateProvider.state(‘index’, { url: “http://localhost:63342/demo2/app/”, templateUrl: “index.html”, controller: “userController” }) }]); }()); index.html is updated … Read more