Global Variable vs Class Variable vs Instance Variable vs Local Variable in java

In post, we’ll see some basic understanding of variable in java and how there are differ from each other with the help of an examples.

Local variable
A local variable lives only within the method that declared the variable.

public class localVariable {  
      public static void main(String[] javalatte) {  
           new localVariable().read();  
      }  
      public void read(){  

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