for (int i 1 i 30 i ) System out print ( ) System out println() System out println( Department of Computer Science ) for (int i 1 i 30 i ) System out print ( ) System out println() 1 1 Methods Without Return Type and No Argument public static void method name ( ) What we will do in this case for similar functionality code, create a function named drawLine() and call that function at repeated code loctations public class Lab02 public static void main(String args) drawLine() System out println( Object Oriented Programming ) drawLine() System out println( Lab 02 ) drawLine() System out println( Department of Computer Sciences ) drawLine() public static void drawLine() for (int i 1 i 30 i ) System out print ( ) System out println() 1 2 Methods Without Return Type and with arguements public static void method name (arg1, arg2, arg3) drawLine method with an argument to draw line according to the size provided There are two types of parameter passing 1) Pass by Value public static void sum(int a, int b) Call By value (copy of valu) is when primitive data types are passed in the method call 2) Pass by Reference (value of memory address location) public static void displayCars (Car car) public static void sort (int () arrayB) Objects and object variables are passed by reference or address Notice that in java when an array is passed as an argument, its memory address location (its reference ) is used 2 Method Overloading When a class has two or more methods by same name but different parameters, it is known as method overloading public class MethodOverloading public static void main(String args) add (11 5, 22 5) add (4,7,9) add( Life at , ) add (1,2) main ends public static void add (int a, int b) int sum a b System out println( Sum of a b is sum) public static void add (int a, int b, int c) int sum a b c System out println( Sum of a b c is sum) public static void add (double a, double b) double sum a b System out println( Sum of a b is sum) public static void add (String sl, String s2)

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} for (int i=1;i <30;i++) System.out.print (); System.out.println(); System.out.println(Department of Computer Science); for (int i=1;i <30;i++) System.out.print (); System.out.println(); 1.1 Methods Without Return Type

} for (int i=1;i

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} for (int i=1;i <30;i++) System.out.print (*); System.out.println(); System.out.println(Department of Computer Science); for (int i=1;i <30;i++) System.out.print (*); System.out.println(); 1.1 Methods Without Return Type

} for (int i=1;i

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} for (int i=1;i <30;i++) System.out.print (); System.out.println(); System.out.println(Department of Computer Science); for (int i=1;i <30;i++) System.out.print (); System.out.println(); 1.1 Methods Without Return Type