Any normal class which does not have any abstract method or a class that has an implementation of all the methods of its parent class or interface and its own methods is a concrete class.10 Haz 2019
Read moreWhat is standard classes in Java?
Java’s standard classes are analogous to off-the-shelf hardware components . Java includes a multitude of classes. These classes are organized into collections called packages. In order to speed compilation and class loading during execution, the compiler normally has access to a small subset of the standard classes.
Read moreWhat are the 4 types of Java?
There are four platforms of the Java programming language: Java Platform, Standard Edition (Java SE) Java Platform, Enterprise Edition (Java EE) Java Platform, Micro Edition (Java ME)
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