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In Android Studio, text does not appear on top of an image


I’m doing a small project on Android Studio, and I’ve put a picture as a dark blue background. I inserted white text on top of this dark blue figure, but the white color in the letters still doesn’t …

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How can I use my Functional interface to return me a Cat instead of a Kitten?


So, I have 2 classes: Cat and Kitten extends Cat. They have fields (int age, String name) and a constructor. I am trying to create my Functional interface that takes Kitten as input parameter and …

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NetBeans 12 UTF-8 Chinese output with Maven projects


How do I set the output console to UTF-8 for Maven projects? This question arose because NetBeans did not decode UTF-8 documents correctly (Nordic characters like áðíøåú etc.). By doing some search on …

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Take only the first hashmap value [closed]


I have a hashmap where I register three photos in firebase. Now I need to get only the first photo from the node to put in the ImageView of the adapter. But it seems to be coming in random. Cadastrar….

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From Adapter into Intent


I have an Adapter for a ListView I have. Every item in that list has a Button, when the user presses that Button, it will go into another activity with info about that specific item’s info (info is …

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Java Bytecode Error : Expecting to find object/array on stack


I am compiling a simple language into JVM Bytecode and having some issues with Java object method calls. The verifier gives the error below java.lang.VerifyError: (class: Test_1, method: main …

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How can I reference a view in the entity? (Spring Boot)


I have a question. Of course, I have previously looked on the Internet and searched for the solution. Unfortunately, I have not found a solution. I have a Spring Boot application that processes the …

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Avro schema file references in a Avro schema


I have nearly 100 avsc files and most of these avsc files refer to another asvc file usually as their type. To give an example Item.avsc in ./com/example/common { “namespace”:”com….

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Identify the caller inside a method in Java


I have a class A and class B as below : class A { public String myMethod(){ // do-something return send(); } public String send(){ // sending for A; } } class …

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Java Code modularization, check if they are all null or not


Is there any clean way to check if they are all null or not for example getDescription(), getName(), getScript(), getTargets() and getTrigger() is null or not, checking in one line? …