content: public class Student {
  
      private int studentId;
      private String studentName;
      private String studentAddress;
      private String collegeName;
  
      public Student(int studentId, String studentName, String studentAddress) {
          this.studentId = studentId;
          this.studentName = studentName;
          this.studentAddress = studentAddress;
          this.collegeName = "NIT";
      }
  
      public Student(int studentId, String studentName, String studentAddress, String collegeName) {
          this.studentId = studentId;
          this.studentName = studentName;
          this.studentAddress = studentAddress;
          this.collegeName = collegeName;
      }
  
      public String toString() {
          return this.studentId + ", " + this.studentName + ", " + this.studentAddress + ", " + this.collegeName;
      }
  
      public int getStudentId() {
          return this.studentId;
      }
  
      public String getStudentName() {
          return this.studentName;
      }
  
      public String getStudentAddress() {
          return this.studentAddress;
      }
  
      public String getCollegeName() {
          return this.collegeName;
      }
  }
  