How to make a read-only class in Java?

Solution:

A class can be made read-only by making all of the fields private. The read-only class will have only getter methods which return the private property of the class to the main method. We cannot modify this property because there is no setter method available in the class. Consider the following example.

 //A Java class which has only getter methods.  
public class Student{  
//private data member  
private String college="AKG";  
//getter method for college  
public String getCollege(){  
return college;  
}  
}  
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