Curriculum

Java Basic

Java Home

0/1

Java Introduction

0/1

Java Get Started

0/1

Java Syntax

0/1

Java Output / Print

0/2

Java Comments

0/1

Java Variables

0/5

Java Data Types

0/6

Java Type Casting

0/1

Java Operators

0/1

Java Strings

0/4

Java Math

0/1

Java Booleans

0/1

Java If ... Else

0/5

Java Switch

0/1

Java While Loop

0/3

Java For Loop

0/4

Java Break / Continue

0/1

Java Arrays

0/4

Java Methods

0/6

Java Classes

0/26

Java file Handling

0/4

Java How To

0/16

Java Reference

0/53

Java String Methods

0/39

Java Math Methods

0/48

Java Output Methods

0/4

Java Arrays Methods

0/6

Java ArrayList Methods

0/26

Java LinkedList Methods

0/27

Java HashMap Methods

0/23

Java Errors and Exception

0/1

Text lesson

copyValueOf()

Example

Generate a String representing specific characters from a char array.

char[] myStr1 = {'H', 'e', 'l', 'l', 'o'};
String myStr2 = "";
myStr2 = myStr2.copyValueOf(myStr1, 0, 5);     
System.out.println("Returned String: " + myStr2);

Definition and Usage

The copyValueOf() method yields a String representing the characters contained within a char array.

This function creates a fresh String array and duplicates the characters into it.

Syntax

public static String copyValueOf(char[] data, int offset, int  count)

Parameter Values

Parameter	Description
data	A char array
offset	An integer value indicating the starting index of the character array.
count	An integer value representing the length of the character array.

Technical Details

returns	A string representing the characters of the character array.
Throws	StringIndexOutOfBoundsException occurs if the offset is negative or out of range, or if the count exceeds the length of the character array, or if it’s negative.