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How to get UTC time?
Time.getUTC();
Date.getUTC();
Instant.now();
TimeZone.getUTC();
SHOW ANSWERWhich of these is long data type literal?
0x99fffL
ABCDEFG
0x99fffa
99671246
SHOW ANSWERWhich of these can be returned by the operator &?
Integer
Boolean
Character
Integer or Boolean
SHOW ANSWERLiteral can be of which of these data types?
integer
float
boolean
all of the mentioned
SHOW ANSWERWhich of these can not be used for a variable name in Java?
identifier
keyword
identifier & keyword
none of the mentioned
SHOW ANSWERWhat is the output of this program?
class Sample
{
public static void main(String args[])
{
int a[] = {1,2,3,4,5};
int d[] = a;
int sum = 0;
for (int j = 0; j < 3; ++j)
sum += (a[j] * d[j + 1]) + (a[j + 1] * d[j]);
System.out.println(sum);
}
}
38
39
40
41
SHOW ANSWERWhat is the output of this program?
class array_output
{
public static void main(String args[])
{
int array_variable [] = new int[10];
for (int i = 0; i < 10; ++i) {
array_variable[i] = i/2;
array_variable[i]++;
System.out.print(array_variable[i] + " ");
i++;
}
}
}
0 2 4 6 8
1 2 3 4 5
0 1 2 3 4 5 6 7 8 9
1 2 3 4 5 6 7 8 9 10
SHOW ANSWERWhat is the output of this program?
class variable_scope
{
public static void main(String args[])
{
int x;
x = 5;
{
int y = 6;
System.out.print(x + " " + y);
}
System.out.println(x + " " + y);
}
}
5 6 5 6
5 6 5
Runtime error
Compilation error
SHOW ANSWERWhich of these is an incorrect string literal?
“Hello World”
“Hello\nWorld”
“\”Hello World\””
”Hello
World”
SHOW ANSWERWhat is the output of this program?
class dynamic_initialization
{
public static void main(String args[])
{
double a, b;
a = 3.0;
b = 4.0;
double c = Math.sqrt(a * a + b * b);
System.out.println(c);
}
}
5.0
25.0
7.0
Compilation Error
SHOW ANSWERWhich of these is necessary condition for automatic type conversion in Java?
The destination type is smaller than source type
The destination type is larger than source type
The destination type can be larger or smaller than source type
None of the mentioned
SHOW ANSWERWhat is the prototype of the default constructor of this class?
public class prototype { }
prototype( )
prototype(void)
public prototype(void)
public prototype( )
SHOW ANSWERWhat is the error in this code?
byte b = 50;
b = b * 50;
b cannot contain value 100, limited by its range
* operator has converted b * 50 into int, which can not be converted to byte without casting
b cannot contain value 50
No error in this code
SHOW ANSWER
