java typeof
Object obj = null;
obj = new ArrayList<String>();
System.out.println(obj.getClass());
obj = "dummy";
System.out.println(obj.getClass());
obj = 4;
System.out.println(obj.getClass());java typeof
Object obj = null;
obj = new ArrayList<String>();
System.out.println(obj.getClass());
obj = "dummy";
System.out.println(obj.getClass());
obj = 4;
System.out.println(obj.getClass());what is primitive data type in java
Primitive types are the most basic data types available within the Java language. There are 8: boolean , byte , char , short , int , long , float and double . These types serve as the building blocks of data manipulation in Java. Such types serve only one purpose — containing pure, simple values of a kind.Copyright © 2021 Codeinu
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