What is the output of the following program? Why? public class Student { public String getDepartment() { return "general"; } public String getStudInfo() { return this.getDepartment(); }} public class CSStudent extends Student { public String getDepartment() { return "CS"; }} public class Main{ public static void main(String[]args){ Student s1 = new CSStudent(); s1.getStudInfo(); }}

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Q: Java

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Methods of StringBuilder class

The StringBuilder class can be used to create mutable strings. The methods defined in the StringBuilder class are widely used to manipulate and concatenate strings. It is a non-synchronized class which has public methods that can be accessed by multiple threads. It is not thread-safe.