JAVA: I have the following attributes and I am trying to get the square root of the last 4 digits of student Id without decimal places class Student{ private String studentId = "4596"; //with getters and setters public void generateId(){ Integer.parseInt(this.getStudentId()); } }   another class Test{ //main Student std1 = new Student(); std1.generateId(); //I am trying to print out the square root of the last digit of the studentId System.out.println("Square root of last four digit of studentId: " + Math.sqrt(Integer.parseInt(std1.getStudentId().substring(2))) ); }

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