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POJava Question Linked List objects
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copied!<p>I have the following piece of code : Essentially the number of methods should remain the same as in the code and I need to extract a string from an element of the linkedlist of Objects of type emp_struct.. How do I do it?</p> <pre><code>import java.util.*; import java.io.*; class a1 { static LinkedList l1; private emp_struct input() throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); emp_struct obj = new emp_struct(); obj.emp_id = br.readLine(); obj.name = br.readLine(); obj.salary = Double.parseDouble(br.readLine()); obj.dept = br.readLine(); try{ search(obj); }catch(Exception e){ System.out.println(e); obj = input(); } return obj; } boolean search(emp_struct obj) { int lastIndex = l1.lastIndexOf(l1); int begIndex = 0; for(begIndex =0;begIndex<lastIndex;begIndex++) { Object chkCase = l1.get(begIndex); String chk = chkCase.getEmpID(); if(chk.equals(obj.emp_id)); throw new DuplicateEntryException("Duplicate entry found"); } return true; } public static void main(String args[]) throws IOException { l1 = new LinkedList(); } } class DuplicateEntryException extends Exception { String detail; DuplicateEntryException(String a) { detail = a; } public String toString() { return "User Defined Exception : "+detail; } } class emp_struct { public String emp_id; public String name; public double salary; public String dept; public String getEmpID() { return emp_id; } public String toString() { return emp_id+"\t"+name+"\t"+salary+"\t"+dept; } } </code></pre>

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