Public means that the subject may be accessed by any class, protected by subclass , private by the class itself, no modifier means “package protected”, so the subject may be accessed by classes from the same package.
Read moreIs a class always public in Java?
In Java, a top-level class is either public or non-public . There is no “private”. You can only use the public keyword or leave it off. If you leave it off it is non-public, i.e., visible only to other classes in the same package.
Read moreCan a Java class be public or private?
No, we cannot declare a top-level class as private or protected. It can be either public or default (no modifier).
Read moreHow do you public a class in Java?
Java Classes and Objects
Read moreWhat is a no parameter constructor in Java?
Similar to methods, a Java constructor may or may not have any parameters (arguments). If a constructor does not accept any parameters , it is known as a no-argument constructor. For example, private Constructor() { // body of the constructor }
Read moreWhat are constructor parameters?
The parameterized constructors are the constructors having a specific number of arguments to be passed . The purpose of a parameterized constructor is to assign user-wanted specific values to the instance variables of different objects. A parameterized constructor is written explicitly by a programmer.
Read moreWhat does 3 dots mean in Java?
The three dots ( … ) are used in a function’s declaration as a parameter . These dots allow zero to multiple arguments to be passed when the function is called. The three dots are also known as var args .
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