Variable-length argument (varargs): In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method. Syntax: Syntax to refer the variable-length argument is as follows: typeName... parameterName Example: //variable length argument double… num

Question

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Answer 1

Question

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

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Print person1's kids, call the incNumKids() method, and print again, outputting text as below. End each line with a newline.Sample output for below program with input 3: Kids: 3 New baby, kids now: 4 // ===== Code from file PersonInfo.java =====public class PersonInfo {private int numKids; public void setNumKids(int setPersonsKids) {numKids = setPersonsKids;} public void incNumKids() {numKids = numKids + 1;} public int getNumKids() {return numKids;}}// ===== end ===== // ===== Code from file CallPersonInfo.java =====import java.util.Scanner; public class CallPersonInfo {public static void main(String [] args) {Scanner scnr = new Scanner(System.in);PersonInfo person1 = new PersonInfo();int personsKid; personsKid = scnr.nextInt(); person1.setNumKids(personsKid); /* Your solution goes here */ }}// ===== end =====

Answer 2

Question

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 5

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Answer 6

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

Answer 7

Chapter 7.9, Problem 7.9.1CP

a)

Program Plan Intro

Variable-length argument (varargs):

In a method, the variable-length argument refers the variable number of arguments of same type. A method can contain only one variable-length parameter and the parameter must be the last parameter in the method.

Syntax:

Syntax to refer the variable-length argument is as follows:

typeName... parameterName

Example:

//variable length argument

double… num

Answer 8

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

Answer 9

b)

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

Answer 10

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Answer 11

c)

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Answer 12

Expert Solution & Answer

Answer 13

Expert Solution & Answer

Answer 14

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Answer 15

Ch. 7.2 - Prob. 7.2.1CP Ch. 7.2 - Prob. 7.2.2CP Ch. 7.2 - What is the output of the following code? int x =...Ch. 7.2 - Indicate true or false for the following...Ch. 7.2 - Which of the following statements are valid? a....Ch. 7.2 - Prob. 7.2.6CP Ch. 7.2 - What is the array index type? What is the lowest...Ch. 7.2 - Write statements to do the following: a. Create an...Ch. 7.2 - What happens when your program attempts to access...Ch. 7.2 - Identify and fix the errors in the following code:...

Solution Summary: The author explains that a variable-length argument refers to the variable number of arguments of the same type, and the parameter must be the last parameter in the method.

Concept explainers

Explanation of Solution

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

Explanation of Solution

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...

Want to see the full answer?

Chapter 7 Solutions

Solution Summary: The author explains that a variable-length argument refers to the variable number of arguments of the same type, and the parameter must be the last parameter in the method.

Concept explainers

Explanation of Solution

Given Header: public static void print(double... numbers, String... name) Wrong with the given method header:

Explanation of Solution

Given Header: public static double... print(double d1, double d2) Wrong with the given method header: The return t...

Want to see the full answer?

Chapter 7 Solutions

Given Header:

public static void print(double... numbers, String... name)

Wrong with the given method header:

Given Header:

public static double... print(double d1, double d2)

Wrong with the given method header:

The return t...