Question1:
Write a program to find the largest y-x for an entered list such that a[y] > a[x], where y and x are index position. The output should be displayed the result of largest y-x.
Solution (C++):
No Solution
Tags: KIIT_Baseline, TCS_New
Question2:
What is the output of following java program?
import java.util.*;
class Main
{
public static void main(String[] args)
{
TreeSet<Integer> t = new TreeSet<Integer>();
t.add(4);
t.add(4);
t.add(3);
t.add(2);
t.add(5);
System.out.println(t);
}
}
Ans: [2, 3, 4, 5]
Tags: Capgemini1, NEW_Q
Question3:
#include <stdio.h>
int main()
{
int a = 10, b = 20, c = 30;
if (c > b > a)
printf(“TRUE”);
else
printf(“FALSE”);
return 0;
}
Ans: FALSE
Tags:
Question4:
FILE reserved word is
Ans: It is a type name defined in stdio.h
Tags:
Question5:
Which if these can we type in the Run dialogue box to start MS Office.
Ans: winword.exe
Tags:
Question6:
Which method can be used to check file Accessiblity?
Ans: is Readable(path), is Writable(path), and is Executable(path)
Tags: java
Question7:
How do you initialize an array in C?
Ans: int arr[4] = {1,2,3,4};
Tags: TATA_Elxsi, IN03
Question8:
What does bind() method of ServerSocket offer?
Ans: binds the serversocket to a specific address (IP address and port)
Tags: java
Question9:
Which statement is correct about the following declaration in C/C++?
int *ptr, p;
Ans: ptr is a pointer to integer, p is not
Tags: c++
Question10:
Which class provides system independent server side implementation in java?
Ans: ServerSocket
Tags: java
Question11:
Which of these terms is used to denote a letter and number in the intersecting column and row :
Ans: Cell coordinates
Tags:
Question12:
In java, hasNext() method of an iterator returns which type of value?
Ans: Boolean
Tags: java
Question13:
What is the output of this C code?
#include <stdio.h>
void main()
{
int i = 0;
if (i == 0)
{
printf(“Myperfectice”);
break;
}
}
Ans: Compile time error
Tags:
Question14:
Which statement is correct about the following declaration in C/C++?
const int *ptr;
Ans: You cannot change the value pointed by ptr
Tags: c++
Question15:
Switch statement accepts.
Ans: all of the mentioned
Tags:
Question16:
1. What will be the output of the program?
class Bool
{
public static void main(String [] args)
{
boolean a11 = true;
boolean a21 = false;
boolean a31 = true;
if ( a11 & a21 | a21 & a31 | a21 ) /* Line 8 */
System.out.print(“ok “);
if ( a11 & a21 | a21 & a31 | a21 | a11 ) /*Line 10*/
System.out.println(“dokey”);
}
}
Ans: do key
Tags: java
Question17:
If we execute the following 2 statements in C++, then what type of variables are p and q?
typedef char* CHAR;
CHAR p,q
Ans: char*
Tags: c++
Question18:
Which of these methods is used to compare a specific region inside a string with another specific region in another string in java?
Ans: regionMatches()
Tags: java
Question19:
Which of the following classes in java is used to implement a dynamic array?
Ans: ArrayList
Tags: L&T_InfoTech1, NEW_Q, Other_TY_Baseline, IN05
Question20:
You are given a chess board of (n x n) and a knight piece. You have to visit all the chess places/boxes in the chess but there is one constraint “you can not visit the same place/box again”. (one place/box in chess will only be visited only once). You have to find all the possible paths so that the knight can visit al the places/boxes in chess without visiting the same place/box again. You can start from any place/box in the chess.
Solution (C++):
No Solution
Tags: Backtracking
Question21:
What is the output of this C code(When 1 is entered)?
#include <stdio.h>
void main()
{
int ch;
printf(“enter a value btw 1 to 2:”);
scanf(“%d”, &ch);
switch (ch)
{
case 1:
printf(“1\n”);
default:
printf(“2\n”);
}
}
Ans: 1 2
Tags:
Question22:
Which of these operators is used to allocate memory to array variable in Java?
Ans: new
Tags: Java, NEW_Q, Other_TY_Baseline
Question23:
What is the output of this C code?
#include <stdio.h>
int main()
{
char *p = NULL;
char *q = 0;
if (p)
printf(” p “);
else
printf(“nullp”);
if (q)
printf(“q\n”);
else
printf(” nullq\n”);
}
Ans: nullp nullq
Tags: c++
Question24:
What is the output of this java program?
class Abc
{
public static void main(String[]args)
{
String[] elements = { “for”, “tea”, “too” };
String first = (elements.length > 0) ? elements[0]: null;
}
}
Ans: No output and the variable first is set to elements[0].
Tags: java
Question25:
Choose a shortcut to open dialogue box :
Ans: Ctrl + F12
Tags:
Question26:
Which of these methods is used to get the present size of an ArrayList object?
Ans: size()
Tags: Capgemini1, NEW_Q
Question27:
In CGI, process starts with each request and will initiate OS level process.
Ans: True
Tags: java
Question28:
Which operator is used to insert the data into file?
Ans: <<
Tags: c++
Question29:
Below some C++ statements are given. Which of the statements is wrong?
int var = 10;
int *ptr = &(var + 1); //statement 1
int *ptr2 = &var; //statement 2
&var = 40; //statement 3
Ans: Statement 1 and 3 are wrong
Tags: c++
Question30:
Which among following is used to open a file in binary mode ?
Ans: ios::binary
Tags: c++
Question31:
Which among following is correct syntax of closing a file in c++?
Ans: myfile.close();
Tags: c++
Question32:
Which method of vector class in java is used to reduce its capacity?
Ans: trimToSize()
Tags: Sapient, NEW_Q
Question33:
What is the output of the following C code?
#include<stdio.h>
int main()
{
int a = 1;
int *b = &a;
int **c = &b;
**c = 2;
printf(“%d\n”,a);
}
Ans: 2
Tags: IBM1, NEW_Q
Question34:
You can relate Microsoft Office to which of these examples?
Ans: horizontal market software
Tags:
Question35:
What will be the output of this java program?
import java.util.*;
class Main
{
public static void main(String args[])
{
HashMap<Integer, Character> map = new HashMap<>();
map.put(10,'a');
map.put(30,'b');
map.put(20,'c');
map.put(25,'d');
map.put(15,'e');
System.out.println(map);
}
}
Ans: {20=c, 25=d, 10=a, 30=b, 15=e}
Tags: L&T_InfoTech1, NEW_Q
Question36:
What is the sequence for preprocessor to look for the file within <>?
Ans: The predefined location then the current directory
Tags:
Question37:
Which method is used to increase the capacity of ArrayList object manually?
Ans: ensureCapacity()
Tags: Capgemini1, NEW_Q
Question38:
Which of these is an incorrect statement about strings in java?
Ans: StringBuffer class is used to store string in a buffer for later use
Tags: java
Question39:
Which of the following operations cannot be performed on an array arr in C/C++?
I) ++arr
II) arr+1
III) arr++
IV) arr*2
Ans: I, III and IV
Tags: c++, Qualcomm_NEAT_PROG, CAT2_MC4, MCA_MC2, IN01
Question40:
When 1 is entered, The output of the code below is?
#include <stdio.h>
void main()
{
int ch;
printf(“enter a value btw 1 to 2:”);
scanf(“%d”, &ch);
switch (ch, ch + 1)
{
case 1:
printf(“1\n”);
break;
case 2:
printf(“2”);
break;
}
}
Ans: 2
Tags:
Question41:
Which of these operators can be used to concatenate two or more String objects in java?
Ans: +
Tags: java
Question42:
Which of the following can be termed as a collection of information saved as unit.
Ans: file
Tags:
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