Java Operators and Control Statements Mcqs
Our collections of Multiple choice questions and answers focuses on study of Java Operators and Control Statements. These questions are chosen from a collection of most authoritative and best reference books on Java. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams and various tests and job interviews. One should practice our Mcqs to assimilate jJava Operators and Control Statements topic comprehensively.
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2.
Which of these statements are incorrect?
3.
What is the output of this program?
class bitwise_operator
{
public static void main(String args[])
{
int var1 = 42;
int var2 = ~var1;
System.out.print(var1 + " " + var2);
}
}
class bitwise_operator
{
public static void main(String args[])
{
int var1 = 42;
int var2 = ~var1;
System.out.print(var1 + " " + var2);
}
}
4.
What is the output of this program?
class bitwise_operator
{
public static void main(String args[])
{
int a = 3;
int b = 6;
int c = a | b;
int d = a & b;
System.out.println(c + " " + d);
}
}
class bitwise_operator
{
public static void main(String args[])
{
int a = 3;
int b = 6;
int c = a | b;
int d = a & b;
System.out.println(c + " " + d);
}
}
5.
What is the output of relational operators?
7.
Which of the following operators can operate on a boolean variable? 1. &&
2. ==
3. ?:
4. +=
1. &&
2. ==
3. ?:
4. +=
8.
Which of these operators can skip evaluating right hand operand?
9.
Which of these statements is correct?
10.
What is the output of this program?
class Relational_operator
{
public static void main(String args[])
{
int var1 = 5;
int var2 = 6;
System.out.print(var1 > var2);
}
}
class Relational_operator
{
public static void main(String args[])
{
int var1 = 5;
int var2 = 6;
System.out.print(var1 > var2);
}
}
11.
What is the output of this program?
class bool_operator
{
public static void main(String args[])
{
boolean a = true;
boolean b = !true;
boolean c = a | b;
boolean d = a & b;
boolean e = d ? b : c;
System.out.println(d + " " + e);
}
}
class bool_operator
{
public static void main(String args[])
{
boolean a = true;
boolean b = !true;
boolean c = a | b;
boolean d = a & b;
boolean e = d ? b : c;
System.out.println(d + " " + e);
}
}
12.
Which of these have highest precedence?
13.
What should be expression1 evaluate to in using ternary operator as in this line? expression1 ? expression2 : expression3
expression1 ? expression2 : expression3
14.
What is the value stored in x in following lines of code? int x, y, z;
x = 0;
y = 1;
x = y = z = 8;
int x, y, z;
x = 0;
y = 1;
x = y = z = 8;
15.
What is the order of precedence (highest to lowest) of following operators? 1. &
2. ^
3. ?:
1. &
2. ^
3. ?: