public int function ( int num1); public int function ( int num1 , int num2); public double function ( double num1 , double num2); public boolean function ( int num1 , char c ); public boolean function (int num1 , int num2); the calls: a) result1 = function( x ,10); b) result1 = function(241); c) result2 = function(3.4, d2); e) flag = function( y , ‘9’)
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match methods with their calls , use the line number as an indicator.
int x=2 , y=3 , result1;
double d1=3.4 , d2 =6.1, result2;
boolean flag;
- public int function ( int num1);
- public int function ( int num1 , int num2);
- public double function ( double num1 , double num2);
- public boolean function ( int num1 , char c );
- public boolean function (int num1 , int num2);
the calls:
a) result1 = function( x ,10);
b) result1 = function(241);
c) result2 = function(3.4, d2);
e) flag = function( y , ‘9’);
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- class Param3 { public int y; public void method1(int y) { y = y * 3; } public int getY() { return y; } } Param3 q3 = new Param3(); q3.y = 100; q3.method1(25); System.out.println(q3.getY()); what is the output for the system.out.println method and whyJava programming. A method signature for a method consists of all elements of the method except the body. That is, a method signature consists of the privacy, (non-)static, return datatype, method name, and formal parameters. Consider the ceiling method as an example. public static int ceiling (double num) { return num <= 0 ? (int) num: (int) num + 1; } The method signature of the ceiling method is the first line of the method: public static int ceiling (double num). In this example, we note that ceiling is static because it is a standalone method and does not require an object to invoke (since we are not acting on an instance of a class). For parts a - d, give the method signature described by the scenario. a) A method in class String that returns the reversed version of the current String. b) A method that returns the maximum of two given integers. c) A method that returns true or false if the input integer is an even number. d) A default constructor for class Table.UML Diagrams: Course -courseName: String -students: Student [] -numberOfStudents: int +Course(courseName : String) +getCourseName() : String +addStudent (student : Student) : void +addStudent (studentName: String): void +dropStudent(studentId: int ) : void +getStudents() : Student [] +getNumberOfStudents() : int a. How many constructors does Course have? b. How many methods that are void? c. How many methods that return a value? d. What is the parameter to the method dropStudent?