java 13 interview questions and answers

Private method can be overridden by private, friendly, protected or public methods. Friendly method can be overridden by friendly, protected or public methods. Protected method can be overridden by protected or public methods. Public method can be overridden by public method. In Java, method overriding is a feature that allows a subclass to provide a … Read more

You can access protected features from other classes by subclassing the that class in another package, but this cannot be done for friendly features. In Java, the protected access modifier allows access to the members (fields, methods, and nested classes) within the same package or by subclasses, regardless of the package they are in. However, … Read more

No when features are friendly or protected they can be accessed from all the classes in that package but not from classes in another package. In Java, the protected and default (package-private or friendly) access modifiers have different levels of visibility. Protected Access: Members (fields, methods, and nested classes) with the protected access modifier are … Read more

: These public, protected and private, these can be applied to class, variables, constructors and methods. But if you don�t specify an access modifier then it is considered as Friendly. In Core Java, access modifiers are keywords that determine the visibility or accessibility of classes, methods, and fields in a Java program. There are four … Read more

In case of signed left shift >> the new bits are set to zero. But in case of signed right shift it takes the value of most significant bit before the shift, that is if the most significant bit before shift is 0 it will introduce 0, else if it is 1, it will introduce … Read more