What is the execution order in Java?

What is the correct order of execution in Java?

Java, being a platform-independent programming language, doesn’t work on the one-step compilation. Instead, it involves a two-step execution, first through an OS-independent compiler; and second, in a virtual machine (JVM) which is custom-built for every operating system.

Can we override static method?

Static methods cannot be overridden because they are not dispatched on the object instance at runtime. The compiler decides which method gets called. Static methods can be overloaded (meaning that you can have the same method name for several methods as long as they have different parameter types).

Can a program run without main in java?

Yes, we can execute a java program without a main method by using a static block. Static block in Java is a group of statements that gets executed only once when the class is loaded into the memory by Java ClassLoader, It is also known as a static initialization block.

Where does java execution start?

In java, program execution begins from main function. Java compiler executes the statement, which are only onside the main function. Therefore, if there is a class, where the class member is not called inside the main function then that part of the code will not be executed.

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What is difference between static block and constructor?

A static block, or static initialization block, is code that is run once for each time a class is loaded into memory. … A constructor is required for every class, since they run EACH time a new instance of a class is created. It is the method that sets up the class.

Can we override final method?

No, the Methods that are declared as final cannot be Overridden or hidden.

Can we override main method?

No, we cannot override main method of java because a static method cannot be overridden. The static method in java is associated with class whereas the non-static method is associated with an object. … Therefore, it is not possible to override the main method in java.

Can we override private method?

No, we cannot override private or static methods in Java. Private methods in Java are not visible to any other class which limits their scope to the class in which they are declared.