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What is the output of following program? abstract class Sum { public abstract int sumOfTwo(int n1, int n2); public abstract int sumOfThree(int n1, int n2, int n3); public void disp( ){ System.out.println("Method of class Sum"); } } class DemoAbstract1 extends Sum { public int sumOfTwo(int num1, int num2) { return num1+num2; } public int sumOfThree(int num1, int num2, int num3) { return num1+num2+num3; } public static void main(String args[ ]){ Sum obj = new DemoAbstract1( ); System.out.println(obj.sumOfTwo(3, 7)); System.out.println(obj.sumOfThree(4, 3, 19)); obj.disp( ); } }
Which among the following is correct syntax to declare a 2D array using new operator? = new char; b) char (pchar) = new char; c) char (*char) = new char; d) char (*char)= new char;
What is the output of this program ? #include
using namespace std;
int n(char, int);
int (*p) (char, int) = n;
int main()
{
(*p)('d', 9);
p(10, 9);
return 0;
}
int n(char c, int i)
{
cout << c << i;
return 0;
}
Select the correct differences between char and varchar data types? i. varchar is non unicode and char is unicode character data type ii. char is ‘n’ bytes whereas varchar is actual length in bytes of data entered in terms of storage size iii. varchar is variable in length and char is the fixed length string iv. For varchar, if a string is less than the maximum length then it is stored in verbatim without any extra characters while for char if a string is less than the set length it is padded with extra characters to equalize its length to given length
Consider the following union variable declaration in 'C' language: union data {     int a;     float b;     char string[20]; } data1; If 1, 2, and 4 bytes of memory space are allocated to char, int and float variables respectively, then what will be the memory size of the variable data1?
Which method of the character stream class returns the numbers of characters successfully read starting at index? buffer, int index, int count) c) int ReadBlock(char buffer, int index, int count) d) none of the mentioned
Which method of character stream class returns the numbers of characters successfully read starting at count? buffer, int index, int count) c) int ReadBlock(char buffer, int index, int count) d) none of the mentioned
Which of the following is an external variable in the following C code?
#include int func (int a){ int b; return b;}int main(){ int c; func (c);}int d;
Consider the following C function in which size is the number of elements in the array E: int MyX(int *E, unsigned int size) {       int Y = 0;       int Z;       int i, j, k;       for(i = 0; i < size; i++) Y = Y + E[i];       for(i = 0; i < size; i++) for(j = i; j < size; j++) {       Z = 0;       for(k = i; k <= j; k++) Z = Z + E[k];       if (Z > Y) Y = Z; }       return Y; } The value returned by the function MyX is the
What will be the final values of i and j in the following C code?
#include int x = 0;int f(){ if (x == 0) return x + 1; else return x - 1;}int g(){ return x++;}int main(){ int i = (f() + g()) | g(); //bitwise or int j = g() | (f() + g()); //bitwise or}