Nil. Hatamova

Bear Bibeault wrote:

Nil. Hatamova wrote:But it doesnt solve problem.

What is the problem?

It is UTF-8 encoding problem.In website i used unicode characters. But on a Tomcat server, utf-8 characters get mangled.

Hi.
I used servlet for create login session. When i  enter username and password servlet call  home.jsp page. Then all other jsp pages have same problem.i add <%@page contentType="text/html" pageEncoding="UTF-8"%>  code for all of them. But it doesnt solve problem. Please help me

Hi friends.
I want to create web page . In login page i want create sessions for users and admin. But i have error. My query doesnt give result. rslt.next() is not true

<%@page import="java.util.Locale"%> <%@ page import ="java.sql.*" %> <% //String uname = request.getParameter( "uname" );                                String uname = request.getParameter("uname");                String upass = request.getParameter("upass");                Connection conn = null;                PreparedStatement st = null;                try {                    conn = com.db.DataBase.getConnectDB();                    st = conn.prepareStatement("select * from qeydiyyat where uname='"+uname+"' and upass='"+upass+"'");                    int x = 0;                    ResultSet rslt = st.executeQuery();                    while (rslt.next()) {                                                if (uname.equals("Admin")&&upass.equals("admin123")) {                            x = 1;                            break;                        } else {                            x = 2;                            break;                        }                    }                    if (x == 2) {                         response.sendRedirect("home.jsp");                        session.setAttribute("uname", uname);            %>            <%  } else if (x == 1) {                response.sendRedirect("admin.jsp");                session.setAttribute("uname", uname);              } else {                  out.println("Either you enter Invaluname UserName or Password! Please Try Again"); %>            <% }                } catch (Exception e) {                    System.out.println("Exception occured! " + e.getMessage() + " " + e.getStackTrace());                }            %>    

Is this  discount for  all Oracle exams?  I passed OCA8 . And now i want to take OCP8. Is it available for me?

Hi. I passed OCAJP 8 with 81%. Now i want to prepare OCPJP 8 (1z0-808) . Which books must i use?

This code gives compile error. But i cant find why?

public class App{ public static void main(String[] args){ try{ throw new FileNotFoundException(); }catch (FileNotFoundException r){ System.out.println(" caught "); } } }

Hi friends . I have two code. I dont know what is difference between them. The first one is a mock question from Mala Gupta book. I selected the answer is Java Java . But it is wrong.
class EJava{ String courseName="Java";} class Uni{ public static void main(String [] args){ EJava course[] = {new EJava(), new EJava() }; course[0].courseName="OCA"; for(EJava c: course) {c= new EJava();} for(EJava c: course)System.out.println(c.courseName); }}

Output :
OCA
Java

Then i change code like this for check answer is same or not. But it isn't same. Why?
class EJava{ String courseName="Java";} class Uni{ public static void main(String [] args){ EJava course[] = {new EJava(), new EJava() }; course[0].courseName="OCA"; for(int i=0;i<2;i++){ course[i]= new EJava(); } for(int i=0;i<2;i++){ System.out.println(course[i].courseName); } }}

Output:
Java
Java

It confused me when i must use return statement in lamda expressions. Is it required or optional? In Study Guide (Jeanne and Scott) said return is required in block. Also they said there is compile error because of return in this code:
print(a -> { a.startsWith("test"); });

But there are some questions in Ethuware about select correct lambda expressions. The correct answers are lambda expressions without return statement. Only with semi-colons like this:
processList(al, (a, b) ->{  System.out.println(a*b); } );
So i dont catch when i must use return in block

Hi friends!
What is the difference between these codes?
1.public class TestString { public static void main (String [] args ){ TestString t=new TestString(); t.start();} void start (){ String s1="one"; String s2=alter(s1); s1=s1+" two"; System.out.println(s1+ " "+ s2);} String alter (String s1){ return "three";}}


2.public class TestString { public static void main (String [] args ){ TestString t=new TestString(); t.start();} void start (){ String s1="one"; String s2=alter(s1); System.out.println(s1+ " "+ s2);} String alter (String s1){ s1=s1+" two"; System.out.print(s1+ " "); return "three";}}
Why in the second code s1 does not change but in the first code it changes?
1.output is one two three
2.output is one two one three

But i thought output for second code will be "one two one two three";

Thanks Roel, for your explanation.. I hope i will be careful for exam

Hi friends
This test confused me . I know about finalize() method not guaranteed to run. finalize() method for any object might run but also it might not run. System.gc() also not guaranteed to run. But the test ( in OCA: Oracle
Certified Associate Java SE 8 Programmer I Study Guide ) didnt take C and F as correct answer. And i dont know what is difference between B and C , also E and F. I selected all these four variants. Right answer is B and E
public class Bear { protected void finalize() { System.out.println("Roar!"); } public static void main(String[] args) { Bear bear = new Bear(); bear = null; System.gc(); } }

A. finalize() is guaranteed to be called.
B. finalize() might or might not be called
C. finalize() is guaranteed not to be called.
D. Garbage collection is guaranteed to run.
E. Garbage collection might or might not run.
F. Garbage collection is guaranteed not to run.
G. The code does not compile.

Thanks Friends Now it is really clear to me

Hi. There is a question in enthuware which asked "Which of these statements are true?" .One of the correct answers is :

Each object of a class has its own copy of each non-static member variable.

But i don't understand exactly meaning of this sentence. please explain it for me

Hi Andreas!
I think it will be one of the most interesting books about AWS cloud

Oh No Sorry
I hope i will not do the same in exam. I need to be more carefully