
How to create a custom exception type in Java? [duplicate]
There is 1) creating a custom exception type/class (as shown so many times) and 2) raising the exception. To raise an exception, simply pass the appropriate instance to throw, normally: throw new …
how to convert .java file to a .class file - Stack Overflow
Aug 18, 2009 · In order to put a .class file into a jar, you would use the jar command; as in "jar -cf myjar.jar classes/*" In order to create a jar that can be executed with the java -jar command you …
java - Creating an instance using the class name and calling ...
Is there a way to create an instance of a particular class given the class name (dynamic) and pass parameters to its constructor. Something like: Object object = createInstance("mypackage.MyClass","
java - Create Test Class in IntelliJ - Stack Overflow
Dec 3, 2010 · main/java/com/x/y test/java/com/x/y When I create a class called Foo in main/java/com/x/y using IntelliJ I would like to automatically have a file called FooTest.java created in test/java/com/x/y. …
java - When is it OK to create object of a class inside a method of ...
Oct 24, 2012 · Think of your main method to be outside your class. Which creates an instance of your class, and uses the instance created. So, when you create an instance from main method, the …
Create new object from a string in Java - Stack Overflow
Is there a way to create a new class from a String variable in Java? String className = "Class1"; //pseudocode follows Object xyz = new className(param1, param2); Also, if possible does the result...
Using reflection in Java to create a new instance with the reference ...
Dec 5, 2012 · 2. Another option you have is to extend your reflection from just Class / Object creation to include Method reflection. If you can create the Class from a String passed in from a config file, you …
java - Create a class Student with following attributes - Stack Overflow
Jan 9, 2022 · I'm trying to learn the array object in Java but don't understand. I did understand how to store input into an array object but fail to understand how to compare each items inside an array to …
Java Reflection: Create an implementing class - Stack Overflow
Sep 19, 2015 · You can use java.lang.reflect.Proxy after implementing InvocationHandler to handle any method calls. Of course, you could actually generate a real class with a library like BCEL. If this is for …
Java Create class instance based on user input - Stack Overflow
Nov 7, 2022 · Java Create class instance based on user input Asked 3 years, 3 months ago Modified 3 years, 3 months ago Viewed 437 times