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![OPERANDS
An operands are the values on which the operators act upon.
An operand can be:
-> A numeric variable - integer, floating point or character
-> Any primitive type variable - numeric and boolean
-> Reference variable to an object
-> A literal - numeric value, boolean value, or string.
-> An array element, "a[2]“
-> char primitive, which in numeric operations is treated
as an unsigned two byte integer](https://image.slidesharecdn.com/operatorsinjava-210403042229/85/Operators-in-java-3-320.jpg)
![OPERANDS
An operands are the values on which the operators act upon.
An operand can be:
-> A numeric variable - integer, floating point or character
-> Any primitive type variable - numeric and boolean
-> Reference variable to an object
-> A literal - numeric value, boolean value, or string.
-> An array element, "a[2]“
-> char primitive, which in numeric operations is treated
as an unsigned two byte integer](https://image.slidesharecdn.com/operatorsinjava-210403042229/75/Operators-in-java-3-2048.jpg)
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Operators in java
- 1.
- 2. OPERATOR An operatoris a symbol that operates on one or more arguments to produce a result. Java provides a rich set of operators to manipulate variables
- 3. OPERANDS An operandsare the values on which the operators act upon. An operand can be: -> A numeric variable - integer, floating point or character -> Any primitive type variable - numeric and boolean -> Reference variable to an object -> A literal - numeric value, boolean value, or string. -> An array element, "a[2]“ -> char primitive, which in numeric operations is treated as an unsigned two byte integer
- 4. TYPES OF OPERATORS 1. Assignment Operators 2. Increment Decrement Operators 3. Arithmetic Operators 4. Bitwise Operators 5. Relational Operators 6. Logical Operators 7. Ternary Operators 8. Comma Operators 9. Instanceof Operators
- 5. ASSIGNMENT OPERATORS Theassignment statements has the following syntax : <variable>=<expression> Assigning primitive value int a, b; a = 2; // 2 is assigned to variable a b = 5; // 5 is assigned to variable b Assigning references Home home1 = new Home(); //new object created Home home2 = home1; //assigning the reference of home1 in home2 ASSIGNING VALUES EXAMPLE
- 6. INCREMENT AND DECREMENTOPERATORS ++ AND -- The increment and decrement operators add an integer variable by one. increment operator: two successive plus signs, ++ decrement operator: -- Common Shorthand a = a + 1; a++; or ++a; a = a - 1; a--; or --a
- 7. EXAMPLE OF ++AND -- OPERATORS
- 8. ARITHMETIC OPERATORS Thearithmetic operators are used to construct mathematical expressions as in algebra. Their operands are of numeric type.
- 9.
- 10. BITWISE OPERATORS Java'sbitwise operators operate on individual bits of integer (int and long) values. If an operand is shorter than an int, it is promoted to int before doing the operations.
- 11.
- 12. EXAMPLE OF BITWISEOPERATORS
- 13.
- 14. RELATIONAL OPERATORS Arelational operator compares two values and determines the relationship between them. For example, != returns true if its two operands are unequal. Relational operators are used to test whether two values are equal, whether one value is greater than another, and so forth
- 16. EXAMPLE OF RELATIONALOPERATORS
- 17. LOGICAL OPERATORS Theselogical operators work only on boolean operands. Their return values are always boolean.
- 18. EXAMPLE OF LOGICALOPERATORS
- 19. TERNARY OPERATORS Javahas a short hand way by using ?: the ternary aka conditional operator for doing ifs that compute a value. Unlike the if statement, the conditional operator is an expression which can be used for
- 20. COMMA OPERATORS Javahas an often look past feature within it’s for loop and this is the comma operator. Usually when people think about commas in the java language they think of a way to split up arguments within a functions parameters
- 21. EXAMPLE OF COMMAOPERATOR
- 22. INSTANCEOF OPERATORS Thisoperator is used only for object reference variables. The operator checks whether the object is of a particular type(class type or interface type). InstanceOf operator is wrriten as:
- 23. EXAMPLE OF INSTANCEOFOPERATOR