Java Operators with Simple introduction.pptx
- 1. Java Operators An overview of different operators used in Java programming.
- 2. Introduction This presentation provides a detailed examination of Java operators including arithmetic, logical, relational, and more, along with their usage and examples.
- 4. Definition and Usage Arithmetic operators are used to perform mathematical operations on variables and values. They include addition, subtraction, multiplication, and division.
- 5. Common Operations Key arithmetic operators include: 1. Addition (+) 2. Subtraction (-) 3. Multiplication (*) 4. Division (/) 5. Modulus (%) which finds the remainder.
- 6. Examples For example: 1. int result = a + b; // Addition 2. int result = a - b; // Subtraction 3. int result = a * b; // Multiplication 4. int result = a / b; // Division 5. int result = a % b; // Modulus
- 8. Definition and Purpose Logical operators are used to combine multiple boolean expressions. They include AND (&&), OR (||), and NOT (!).
- 9. Operation Types 1. AND (&&) - true if both operands are true. 2. OR (||) - true if at least one operand is true. 3. NOT (!) - reverses the boolean value of an operand.
- 10. Examples For example: 1. boolean result = (a > b) && (b < c); 2. boolean result = (a < b) || (b > c); 3. boolean result = !(a == b);
- 12. Definition and Application Relational operators are used to compare two values and return a boolean result (true or false). They include equal to, not equal to, greater than, less than, and so on.
- 13. Comparison Functions Common relational operators include: 1. Equal to (==) 2. Not equal to (!=) 3. Greater than (>) 4. Less than (<) 5. Greater than or equal to (>=) 6. Less than or equal to (<=)
- 14. Examples For example: 1. if (a == b) { ... } 2. if (a != b) { ... } 3. if (a > b) { ... } 4. if (a < b) { ... }
- 16. Basic Assignment Assignment operators assign values to variables. The main operator is the equal sign (=).
- 17. Combined Operations Combined assignment operators modify the value of a variable based on its current value: 1. +=, -=, *=, /=, %=.
- 18. Examples For example: 1. int result = a & b; // Bitwise AND 2. int result = a | b; // Bitwise OR 3. int result = a ^ b; // Bitwise XOR 4. int result = ~a; // Bitwise NOT 5. int result = a << 2; // Left shift 6. int result = a >> 2; // Right shift
- 20. Definition and Functions Bitwise operators perform operations on individual bits of integer values. They are used for low-level programming, such as hardware manipulation and encryption techniques.
- 21. Types of Bitwise Operations 1. Bitwise AND (&) 2. Bitwise OR (|) 3. Bitwise XOR (^) 4. Bitwise NOT (~) 5. Left Shift (<<) 6. Right Shift (>>).
- 22. Examples For example: 1. int a = 5; // 0101 in binary 2. int b = 3; // 0011 in binary 3. Bitwise AND: a & b results in 1 (0001). 4. Bitwise OR: a | b results in 7 (0111).
- 24. Definition and Types Unary operators are operators that operate on a single operand and include: 1. Unary plus (+) 2. Unary minus (-) 3. Increment (++) 4. Decrement (--).
- 25. Increment and Decrement Increment (++) increases the value of a variable by one. Decrement (--) decreases the value of a variable by one. They can be used in either prefix or postfix notation.
- 26. Examples For example: 1. int a = 5; 2. int b = ++a; // a becomes 6 3. int c = a--; // c becomes 6, a becomes 5 again
- 28. Definition and Syntax The conditional operator (?:) is a shortcut for the if-else statement. It takes three operands and evaluates one of the two expressions based on a boolean condition.
- 29. Usage Scenarios Used for concise conditional expressions: - Assigning a value based on a condition. - Evaluating small conditional logic without multiple lines of code.
- 30. Examples For example: 1. int max = (a > b) ? a : b; 2. String result = (isTrue) ? "Yes" : "No";
- 32. Definition and Purpose The instanceof operator checks whether an object is an instance of a specific class or subclass. It returns true if the object is of the specified type, otherwise false.
- 33. Type Checking Used frequently in polymorphism to determine the actual object type during runtime. This helps avoid ClassCastException.
- 34. Examples For example: 1. if (obj instanceof String) { ... } 2. if (a instanceof ParentClass) { ... }
- 35. Conclusions In summary, understanding Java operators is essential for effective programming. Each operator serves a specific purpose, allowing developers to perform various operations and make logical evaluations efficiently.
- 36. CREDITS: This presentation template was created by Slidesgo, and includes icons by Flaticon, and infographics & images by Freepik Thank you! Do you have any questions?