131. What are operators and what are the various types of operators available in Java?
Ans: Operators are special symbols used in expressions.
The following are the types of operators:
Arithmetic operators,
Assignment operators,
Increment & Decrement operators,
Logical operators,
Biwise operators,
Comparison/Relational operators and
Conditional operators
132. The ++ operator is used for incrementing and the -- operator is used for
decrementing.
a)True
b)False
Ans: a.
133. Comparison/Logical operators are used for testing and magnitude.
a)True
b)False
Ans: a.
134.Character literals are stored as unicode characters.
a)True
b)False
Ans: a.
135. What is the % operator?
Ans : % operator is the modulo operator or reminder operator. It returns the reminder of dividing the first operand by second operand.
136. What is the value of 111 % 13?
3
5
7
9
Ans : c.
137. Is &&= a valid operator?
Ans : No.
138. Can a double value be cast to a byte?
Ans : Static variables are shared by all instances of a class.
139. What are order of precedence and associativity?
Ans : Order of precedence the order in which operators are evaluated in expressions.
Associativity determines whether an expression is evaluated left-right or right-left.
140. Which Java operator is right associativity?
Ans : = operator.