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 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)
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.
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