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kishore kovil

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Recent posts by kishore kovil

Hi Tirumala Raju,

It is a good programming practice to include the braces even for a single statement inside a loop .
Hope this clears your confusion.

Thanks,
Kishore
14 years ago
Instance methods are those invoked by object;
conventionally instance methods are refered to as normal methods;
Hope you got some clue
14 years ago
Hi,

Currently , I'm dealing with pagination .
I'm tryiing to do it by query.
but,i'm n't successful.
Pls. help me.

code:
______

My query is:
String query = "Select * from (Select a.*, rownum rnum From (select * from "
+ TableDetails
+ " order by rowid desc)a where rownum <= "
+ (recordsPerPage * (Integer.parseInt(pageNumber)))
+ ") where rnum >"
+ (recordsPerPage * ((Integer.parseInt(pageNumber) - 1)))
+ "";

with this query,
I'm not able to get all the results.
I'm missing some records.(say, missing 2 of 6)
I mean, this is working fine for Next button in jsp , but not for Previous button.

How can i modify the query?


Pls help me.


Thanks,
Kishore
Hi,
I am unable to start my JMS application.
I have started my JMS server and my Tomcat too.(in Eclipse).
Please help me in guiding the configurations required.
Thanks,
Kishore
Hi,
I am sorry once again.
How can I ensure that there are no such images.
Please help me
I herewith specify the code examples again:
Question 16
class JMM110 {
public static void main (String[] args) {
int j = 0;
do for (int i = 0; i++ < 2 ;)
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 17
class JMM111 {
public static void main (String[] args) {
int j = 0;
for (int i = 0; i < 2; i++) do
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 18
class JMM112 {
public static void main (String[] args) {
int j = 0;
for (int i = 0; i++ < 2 ;) do
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 19
class JMM113 {
public static void main (String[] args) {
int i = 0, j = 0, k = 0;
do while (i++ < 3)
System.out.print(k++);
while (j++ < 3);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 20
class JMM114 {
public static void main (String[] args) {
int i = 0, j = 0;
while (i++ < 3) do
System.out.print(j);
while (j++ < 3);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 001122
c. Prints: 012012
d. Prints: 012345
e. Prints: 1112
f. Prints: 111222
g. Prints: 121212
h. Run-time error
i. Compile-time error
j. None of the above

--------------------------------------------------------------------------------

Question 21
class JMM115 {
static int m1(String s, int i) {
System.out.print(s + i);
return i;
}
public static void main (String[] args) {
int i = 0, j = 0, k = 0;
do while (m1("i", ++i) < 2)
System.out.print("k" + ++k);
while (m1("j", ++j) < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: i1k1i2k2j1i3j2
b. Prints: i1k1i2k2j1i1k1i2k2j2
c. Prints: i1k1i2j1i3j2
d. Run-time error
e. Compile-time error
f. None of the above

--------------------------------------------------------------------------------

Question 22
class JMM116 {
static int m1(String s, int i) {
System.out.print(s + i);
return i;
}
public static void main (String[] args) {
int j = 0;
for (int i = m1("A",0); m1("B",i) < 2; m1("C",++i)) {
m1("J",++j);
}
}}

What is the result of attempting to compile and run the program?

a. Prints: A0B0C1J1B1C2J2B2
b. Prints: A0B0J1C1B1J2C2B2
c. Prints: A0B0J1C1A1B1J2C2A2B2
d. Run-time error
e. Compile-time error
f. None of the above

--------------------------------------------------------------------------------

Question 23
class JMM117 {
public static void main (String[] args) {
int i = 0, j = 9;
do {
i++;
if (j-- < i++) {break;}
} while (i < 5);
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 5,4
b. Prints: 6,3
c. Prints: 6,6
d. Prints: 7,2
e. Run-time error
f. Compile-time error
g. None of the above

--------------------------------------------------------------------------------

Question 24
class JMM118 {
public static void main (String[] args) {
int i = 0, j = 9;
while (i++ <= j--) {i++; if (j < 5) break;}
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 4,7
b. Prints: 6,6
c. Prints: 7,2
d. Prints: 8,5
e. Prints: 9,4
f. Run-time error
g. Compile-time error
h. None of the above

--------------------------------------------------------------------------------

Question 25
class JMM119 {
public static void main (String[] args) {
int i = 0, j = 9;
do {
if (j < 4) {break;} else if (j-- < 7) {continue;}
i++;
} while (i++ < 7);
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 4,7
b. Prints: 6,6
c. Prints: 6,5
d. Prints: 6,4
e. Prints: 7,5
f. Prints: 8,4
g. Run-time error
h. Compile-time error
i. None of the above

--------------------------------------------------------------------------------

Question 26
class JMM120 {
public static void main (String args[]) {
int i = 0, j = 0, k = 0;
label1:
for (; ;) { i++;
label2:
do {
k = i + j;
switch (k) {
case 0: continue label2;
case 1: continue label1;
case 2: break;
case 3: break label2;
case 4: break label1;
default: break label1;
}
} while (++j<5);
}
System.out.println(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 2,1
b. Prints: 2,2
c. Prints: 3,1
d. Prints: 3,2
e. Prints: 3,3
f. Run-time error
g. Compile-time error
h. None of the above

--------------------------------------------------------------------------------

Question 27
class JMM121 {
public static void main (String args[]) {
int h = 0, i = 0, j = 0, k = 0;
label1:
for (; ;) { h++;
label2:
do { i++; k = h + i + j;
switch (k) {
default: break label1;
case 1: continue label1;
case 2: break;
case 3: break label2;
case 4: continue label2;
case 5: continue label1;
}
} while (++j < 5);
}
System.out.println(h + "," + i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 1,2,3
b. Prints: 1,3,2
c. Prints: 2,2,2
d. Prints: 2,4,1
e. Prints: 2,4,2
f. Run-time error
g. Compile-time error
h. None of the above

Thanks,
Kishore
[ July 15, 2007: Message edited by: Ulf Dittmer ]
Hi,
I am sorry.
I found that some of the content is misplaced by images.
I resend the code.

Question 16
class JMM110 {
public static void main (String[] args) {
int j = 0;
do for (int i = 0; i++ < 2
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 17
class JMM111 {
public static void main (String[] args) {
int j = 0;
for (int i = 0; i < 2; i++) do
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 18
class JMM112 {
public static void main (String[] args) {
int j = 0;
for (int i = 0; i++ < 2 do
System.out.print(i);
while (j++ < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 19
class JMM113 {
public static void main (String[] args) {
int i = 0, j = 0, k = 0;
do while (i++ < 3)
System.out.print(k++);
while (j++ < 3);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 012
c. Prints: 012012
d. Prints: 012345
e. Prints: 001122
f. Prints: 1112
g. Prints: 111222
h. Prints: 121212
i. Run-time error
j. Compile-time error
k. None of the above

--------------------------------------------------------------------------------

Question 20
class JMM114 {
public static void main (String[] args) {
int i = 0, j = 0;
while (i++ < 3) do
System.out.print(j);
while (j++ < 3);
}}

What is the result of attempting to compile and run the program?

a. Prints: 0001
b. Prints: 001122
c. Prints: 012012
d. Prints: 012345
e. Prints: 1112
f. Prints: 111222
g. Prints: 121212
h. Run-time error
i. Compile-time error
j. None of the above

--------------------------------------------------------------------------------

Question 21
class JMM115 {
static int m1(String s, int i) {
System.out.print(s + i);
return i;
}
public static void main (String[] args) {
int i = 0, j = 0, k = 0;
do while (m1("i", ++i) < 2)
System.out.print("k" + ++k);
while (m1("j", ++j) < 2);
}}

What is the result of attempting to compile and run the program?

a. Prints: i1k1i2k2j1i3j2
b. Prints: i1k1i2k2j1i1k1i2k2j2
c. Prints: i1k1i2j1i3j2
d. Run-time error
e. Compile-time error
f. None of the above

--------------------------------------------------------------------------------

Question 22
class JMM116 {
static int m1(String s, int i) {
System.out.print(s + i);
return i;
}
public static void main (String[] args) {
int j = 0;
for (int i = m1("A",0); m1("B",i) < 2; m1("C",++i)) {
m1("J",++j);
}
}}

What is the result of attempting to compile and run the program?

a. Prints: A0B0C1J1B1C2J2B2
b. Prints: A0B0J1C1B1J2C2B2
c. Prints: A0B0J1C1A1B1J2C2A2B2
d. Run-time error
e. Compile-time error
f. None of the above

--------------------------------------------------------------------------------

Question 23
class JMM117 {
public static void main (String[] args) {
int i = 0, j = 9;
do {
i++;
if (j-- < i++) {break;}
} while (i < 5);
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 5,4
b. Prints: 6,3
c. Prints: 6,6
d. Prints: 7,2
e. Run-time error
f. Compile-time error
g. None of the above

--------------------------------------------------------------------------------

Question 24
class JMM118 {
public static void main (String[] args) {
int i = 0, j = 9;
while (i++ <= j--) {i++; if (j < 5) break;}
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 4,7
b. Prints: 6,6
c. Prints: 7,2
d. Prints: 8,5
e. Prints: 9,4
f. Run-time error
g. Compile-time error
h. None of the above

--------------------------------------------------------------------------------

Question 25
class JMM119 {
public static void main (String[] args) {
int i = 0, j = 9;
do {
if (j < 4) {break;} else if (j-- < 7) {continue;}
i++;
} while (i++ < 7);
System.out.print(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 4,7
b. Prints: 6,6
c. Prints: 6,5
d. Prints: 6,4
e. Prints: 7,5
f. Prints: 8,4
g. Run-time error
h. Compile-time error
i. None of the above

--------------------------------------------------------------------------------

Question 26
class JMM120 {
public static void main (String args[]) {
int i = 0, j = 0, k = 0;
label1:
for (; { i++;
label2:
do {
k = i + j;
switch (k) {
case 0: continue label2;
case 1: continue label1;
case 2: break;
case 3: break label2;
case 4: break label1;
default: break label1;
}
} while (++j<5);
}
System.out.println(i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 2,1
b. Prints: 2,2
c. Prints: 3,1
d. Prints: 3,2
e. Prints: 3,3
f. Run-time error
g. Compile-time error
h. None of the above

--------------------------------------------------------------------------------

Question 27
class JMM121 {
public static void main (String args[]) {
int h = 0, i = 0, j = 0, k = 0;
label1:
for (; { h++;
label2:
do { i++; k = h + i + j;
switch (k) {
default: break label1;
case 1: continue label1;
case 2: break;
case 3: break label2;
case 4: continue label2;
case 5: continue label1;
}
} while (++j < 5);
}
System.out.println(h + "," + i + "," + j);
}}

What is the result of attempting to compile and run the program?

a. Prints: 1,2,3
b. Prints: 1,3,2
c. Prints: 2,2,2
d. Prints: 2,4,1
e. Prints: 2,4,2
f. Run-time error
g. Compile-time error
h. None of the above
Hi,
Could any of you help me in easiest way of cracking loops.
I am very confused.
I post some of the example questions below:


Thanks,
Kishore
Hi ShivaMohan,
That was a very nice question indeed.
The explanation is also good:

"This is because, after a call to super() in the Parent constructor, the instance variable initializers and instance initializers will execute. This will cause assignment of "Parent" to the instance variable s. Only after this will the call to method() within the constructor execute."

It means, only after completely executing initializers ,the control returns to sub class constructor
Hi Suresh,
The prog results in compile time error.
you can refer from the above mails that variables are allocated memory based on reference you are refering with.As 'b' doesn't belong to SuperClass animal, it results in compile time error.
Thanks,
Kishore
i need explanation for the question
hi,
any one pls explain the chain , how it is evaluated
thanks,
Kishore



(disabled smilies)
[ January 10, 2007: Message edited by: Barry Gaunt ]
hi,
any one please explain how the below code results in the given answer






a)Prints: A1B0A0B1A0B2


thanks,

kishore
hi,
i think we cannot use both printwriter and stream objects both at the same time
15 years ago
Hi,
I wanted to call a javascript function to validate login page from a servlet.
or I want to display an error message in servlet itself
is that possible?
Please help
bye
15 years ago
Hi,
I have lot of doubts on questions on hexaadecimalsystem,
Any one well-versed with the topic , please reply me,
I would send you the questions.please clarify the same.
reply private(kishore.kovil@gmail.com)

thanks,
kishore